S. O. Kepler - Publications

Affiliations: 
University of Texas at Austin, Austin, Texas, U.S.A. 
 Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil 
Area:
Astronomy and Astrophysics
Website:
http://astro.if.ufrgs.br/kp.html

212 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2021 Reindl N, Schaffenroth V, Filiz S, Geier S, Pelisoli I, Kepler SO. Mysterious, variable, and extremely hot: White dwarfs showing ultra-high excitation lines Astronomy & Astrophysics. 647: A184. DOI: 10.1051/0004-6361/202140289  0.399
2021 Córsico AH, Uzundag M, Kepler SO, Althaus LG, Silvotti R, Baran AS, Vučković M, Werner K, Bell KJ, Higgins M. Pulsating hydrogen-deficient white dwarfs and pre-white dwarfs observed with TESS Astronomy & Astrophysics. 645: A117. DOI: 10.1051/0004-6361/202039202  0.517
2020 Romero AD, Amaral LA, Kepler SO, Fraga L, Kurtz DW, Shibahashi H. Pulsation in the white dwarf HE 1017−1352: confirmation of the class of hot DAV stars Monthly Notices of the Royal Astronomical Society. 497. DOI: 10.1093/Mnrasl/Slaa106  0.543
2020 Tremblay PE, Hollands MA, Fusillo NPG, McCleery J, Izquierdo P, Gänsicke BT, Cukanovaite E, Koester D, Brown WR, Charpinet S, Cunningham T, Farihi J, Giammichele N, Grootel Vv, Hermes JJ, ... ... Kepler SO, et al. Gaia white dwarfs within 40 pc – I. Spectroscopic observations of new candidates Monthly Notices of the Royal Astronomical Society. 497: 130-145. DOI: 10.1093/Mnras/Staa1892  0.716
2020 Gänsicke BT, Koester D, Raddi R, Toloza O, Kepler SO. SDSS J124043.01+671034.68: the partially burned remnant of a low-mass white dwarf that underwent thermonuclear ignition? Monthly Notices of the Royal Astronomical Society. 496: 4079-4086. DOI: 10.1093/Mnras/Staa1761  0.511
2020 Ourique G, Kepler SO, Romero AD, Klippel TS, Koester D. Evidence of spectral evolution on the white dwarf sample from the Gaia mission Monthly Notices of the Royal Astronomical Society. 492: 5003-5010. DOI: 10.1093/Mnras/Staa120  0.801
2020 Koester D, Kepler SO, Irwin AW. New white dwarf envelope models and diffusion Astronomy & Astrophysics. 635: A103. DOI: 10.1051/0004-6361/202037530  0.346
2020 Althaus LG, Córsico AH, Uzundag M, Vučković M, Baran AS, Bell KJ, Camisassa ME, Calcaferro LM, Gerónimo FCD, Kepler SO, Silvotti R. About the existence of warm H-rich pulsating white dwarfs Astronomy and Astrophysics. 633. DOI: 10.1051/0004-6361/201936346  0.36
2019 Kepler SO, Pelisoli I, Koester D, Reindl N, Geier S, Romero AD, Ourique G, Oliveira CdP, Amaral LA. White dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 14 Monthly Notices of the Royal Astronomical Society. 486: 2169-2183. DOI: 10.1093/mnras/stz960  0.85
2019 Romero AD, Amaral LA, Klippel T, Sanmartim D, Fraga L, Ourique G, Pelisoli I, Lauffer GR, Kepler SO, Koester D. Ground-based observation of ZZ Ceti stars and the discovery of four new variables Monthly Notices of the Royal Astronomical Society. 490: 1803-1820. DOI: 10.1093/Mnras/Stz2571  0.834
2019 Romero AD, Kepler SO, Joyce SRG, Lauffer GR, Córsico AH. The white dwarf mass-radius relation and its dependence on the hydrogen envelope Monthly Notices of the Royal Astronomical Society. 484: 2711-2724. DOI: 10.1093/Mnras/Stz160  0.47
2019 Pelisoli ID, Bell K, Kepler SO, Koester D. The sdA problem - III. New extremely low-mass white dwarfs and their precursors from Gaia astrometry Monthly Notices of the Royal Astronomical Society. 482: 3831-3842. DOI: 10.1093/Mnras/Sty2979  0.538
2019 Ourique G, Romero AD, Kepler SO, Koester D, Amaral LA. A study of cool white dwarfs in the Sloan Digital Sky Survey Data Release 12 Monthly Notices of the Royal Astronomical Society. 482: 649-657. DOI: 10.1093/Mnras/Sty2751  0.791
2019 Koester D, Kepler SO. Carbon-rich (DQ) white dwarfs in the Sloan Digital Sky Survey Astronomy & Astrophysics. 628: A102. DOI: 10.1051/0004-6361/201935946  0.363
2019 Córsico AH, Althaus LG, Bertolami MMM, Kepler SO. Pulsating white dwarfs: new insights The Astronomy and Astrophysics Review. 27: 1-92. DOI: 10.1007/S00159-019-0118-4  0.59
2018 Romero AD, Córsico AH, Althaus LG, Pelisoli ID, Kepler SO. On the evolutionary status and pulsations of the recently discovered blue large-amplitude pulsators (BLAPs) Monthly Notices of the Royal Astronomical Society. 477. DOI: 10.1093/Mnrasl/Sly051  0.559
2018 Campos F, Pelisoli ID, Kamann S, Husser TO, Dreizler S, Bellini A, Robinson EL, Nardiello D, Piotto G, Kepler SO, Istrate AG, Winget DE, Montgomery MH, Dotter AL. Outliers: multicolour photometry guiding the search for evolved binary systems in the globular cluster 47 Tucanae Monthly Notices of the Royal Astronomical Society. 481: 4397-4409. DOI: 10.1093/Mnras/Sty2591  0.404
2018 Lauffer GR, Romero AD, Kepler SO. New full evolutionary sequences of H- and He-atmosphere massive white dwarf stars using MESA Monthly Notices of the Royal Astronomical Society. 480: 1547-1562. DOI: 10.1093/Mnras/Sty1925  0.46
2018 Pelisoli ID, Kepler SO, Koester D, Castanheira BG, Romero AD, Fraga L. The sdA problem - II. Photometric and spectroscopic follow-up Monthly Notices of the Royal Astronomical Society. 478: 867-884. DOI: 10.1093/Mnras/Sty1101  0.466
2018 Pelisoli ID, Kepler SO, Koester D. The sdA problem – I. Physical properties Monthly Notices of the Royal Astronomical Society. 475: 2480-2495. DOI: 10.1093/Mnras/Sty011  0.555
2018 Tucker MA, Fleming SW, Pelisoli ID, Romero AD, Bell K, Kepler SO, Caton DB, Debes J, Montgomery MH, Thompson SE, Koester D, Million C, Shiao B. White dwarf variability with gPhoton: pulsators Monthly Notices of the Royal Astronomical Society. 475: 4768-4780. DOI: 10.1093/Mnras/Stx3297  0.497
2018 Calcaferro LM, Córsico AH, Althaus LG, Romero AD, Kepler SO. Pulsating low-mass white dwarfs in the frame of new evolutionary sequences : VI. Thin H-envelope sequences and asteroseismology of ELMV stars revisited Astronomy and Astrophysics. 620. DOI: 10.1051/0004-6361/201833781  0.49
2018 Bell KJ, Pelisoli I, Kepler SO, Brown WR, Winget DE, Winget KI, Vanderbosch Z, Castanheira BG, Hermes JJ, Montgomery MH, Koester D. The McDonald Observatory search for pulsating sdA stars: Asteroseismic support for multiple populations Astronomy and Astrophysics. 617. DOI: 10.1051/0004-6361/201833279  0.6
2018 Gerónimo FCD, Althaus LG, Córsico AH, Romero AD, Kepler SO. Asteroseismology of ZZ Ceti stars with full evolutionary white dwarf models: II. The impact of AGB thermal pulses on the asteroseismic inferences of ZZ Ceti stars Astronomy and Astrophysics. 613. DOI: 10.1051/0004-6361/201731982  0.536
2018 Arias JPS, Romero AD, Córsico AH, Pelisoli I, Antoci V, Kepler SO, Althaus LG, Corti MA. Comparing the asteroseismic properties of pulsating pre-extremely low mass white dwarf and δ Scuti stars Astronomy and Astrophysics. 616. DOI: 10.1051/0004-6361/201731808  0.579
2017 Hermes JJ, Kawaler SD, Romero AD, Kepler SO, Tremblay P, Bell KJ, Dunlap BH, Montgomery MH, Gänsicke BT, Clemens JC, Dennihy E, Redfield S. Evidence from K2 for Rapid Rotation in the Descendant of an Intermediate-mass Star The Astrophysical Journal. 841: L2. DOI: 10.3847/2041-8213/Aa6Ffc  0.562
2017 Romero AD, Córsico AH, Castanheira BG, Gerónimo FCD, Kepler SO, Koester D, Kawka A, Althaus LG, Hermes JJ, Bonato C, Gianninas A. Probing the structure of Kepler ZZ Ceti stars with full evolutionary models-based asteroseismology The Astrophysical Journal. 851: 60. DOI: 10.3847/1538-4357/Aa9899  0.54
2017 Pelisoli I, Kepler SO, Koester D. Are sdAs helium core stars Open Astronomy. 26: 169-178. DOI: 10.1515/Astro-2017-0433  0.513
2017 Kepler SO, Romero AD, Pelisoli I, Ourique G. White Dwarf Stars Arxiv: Solar and Stellar Astrophysics. 45: 1760023. DOI: 10.1142/S2010194517600230  0.848
2017 Martinazzi E, Kepler SO, Costa JEdS. Low-mass variable stars in the globular cluster NGC 6397 Monthly Notices of the Royal Astronomical Society. 468: 2816-2821. DOI: 10.1093/Mnras/Stx511  0.493
2017 Kepler S, Romero AD. Pulsating white dwarfs Epj Web of Conferences. 152: 01011. DOI: 10.1051/epjconf/201715201011  0.381
2017 Gerónimo FCD, Althaus LG, Córsico AH, Romero AD, Kepler SO. Asteroseismology of ZZ Ceti stars with fully evolutionary white dwarf models - I. The impact of the uncertainties from prior evolution on the period spectrum Astronomy and Astrophysics. 599. DOI: 10.1051/0004-6361/201629806  0.535
2016 Kepler SO, Koester D, Ourique G. A white dwarf with an oxygen atmosphere. Science (New York, N.Y.). 352: 67-9. PMID 27034367 DOI: 10.1126/Science.Aad6705  0.823
2016 García-Berro E, Kilic M, Kepler SO. Magnetic white dwarfs: Observations, theory and future prospects International Journal of Modern Physics D. 25. DOI: 10.1142/S0218271816300056  0.332
2016 Campos F, Bergeron P, Romero AD, Kepler SO, Ourique G, Costa JEdS, Bonatto CJ, Winget DE, Montgomery MH, Pacheco TA, Bedin LR. A comparative analysis of the observed white dwarf cooling sequence from globular clusters Monthly Notices of the Royal Astronomical Society. 456: 3729-3742. DOI: 10.1093/Mnras/Stv2911  0.811
2016 Kepler SO, Pelisoli I, Koester D, Ourique G, Romero AD, Reindl N, Kleinman SJ, Eisenstein DJ, Valois ADM, Amaral LA. New white dwarf and subdwarf stars in the sloan digital sky survey data release 12 Monthly Notices of the Royal Astronomical Society. 455: 3413-3423. DOI: 10.1093/Mnras/Stv2526  0.852
2016 Córsico AH, Romero AD, Althaus LG, García-Berro E, Isern J, Kepler SO, Bertolami MMM, Sullivan DJ, Chote P. An asteroseismic constraint on the mass of the axion from the period drift of the pulsating da white dwarf star L19-2 Journal of Cosmology and Astroparticle Physics. 2016: 36-36. DOI: 10.1088/1475-7516/2016/07/036  0.527
2016 Córsico AH, Althaus LG, Serenelli AM, Kepler SO, Jeffery CS, Corti MA. Pulsating low-mass white dwarfs in the frame of new evolutionary sequences: III. the pre-ELM white dwarf instability strip Astronomy and Astrophysics. 588. DOI: 10.1051/0004-6361/201528032  0.599
2016 Corti MA, Kanaan A, Córsico AH, Kepler SO, Althaus LG, Koester D, Sánchez Arias JP. Two new pulsating low-mass pre-white dwarfs or SX Phoenicis stars? Astronomy and Astrophysics. 587. DOI: 10.1051/0004-6361/201527458  0.593
2015 Romero AD, Campos F, Kepler SO. The age-metallicity dependence for white dwarf stars Monthly Notices of the Royal Astronomical Society. 450: 3708-3723. DOI: 10.1093/Mnras/Stv848  0.431
2015 Bonatto C, Campos F, Kepler SO, Bica E. Extracting parameters from colour-magnitude diagrams Monthly Notices of the Royal Astronomical Society. 450: 2500-2505. DOI: 10.1093/Mnras/Stv822  0.358
2015 Martinazzi E, Kepler SO, Costa JES, Pieres A, Bonatto C, Bica E, Fraga L. New SX Phe variables in the globular cluster NGC 288 Monthly Notices of the Royal Astronomical Society. 447: 2235-2242. DOI: 10.1093/Mnras/Stu2472  0.344
2015 Koester D, Kepler SO. DB white dwarfs in the Sloan Digital Sky Survey data release 10 and 12 Astronomy and Astrophysics. 583. DOI: 10.1051/0004-6361/201527169  0.435
2015 Nitta A, Kepler SO, Chené A, Koester D, Provencal JL, Kleinmani SJ, Sullivan DJ, Chote P, Sefako R, Kanaan A, Romero A, Corti M, Kilic M, Montgomery MH, Winget DE. Constraining the physics of carbon crystallization through pulsations of a massive DAV BPM37093 Proceedings of the International Astronomical Union. 11: 493-496. DOI: 10.1017/S1743921316005962  0.422
2014 Kepler SO, Pelisoli I, Koester D, Ourique G, Kleinman SJ, Romero AD, Nitta A, Eisenstein DJ, Costa JES, Külebi B, Jordan S, Dufour P, Giommi P, Rebassa-Mansergas A. New white dwarf stars in the Sloan Digital Sky Survey Data Release 10 Monthly Notices of the Royal Astronomical Society. 446: 4078-4087. DOI: 10.1093/Mnras/Stu2388  0.84
2014 Martinazzi E, Pieres A, Kepler SO, Costa JES, Bonatto C, Bica E. Probing mass segregation in the globular cluster NGC 6397 Monthly Notices of the Royal Astronomical Society. 442: 3105-3111. DOI: 10.1093/Mnras/Stu1032  0.468
2014 Kepler SO, Fraga L, Winget DE, Bell K, Córsico AH, Werner K. Discovery of a new PG 1159 (GW Vir) pulsator Monthly Notices of the Royal Astronomical Society. 442: 2278-2281. DOI: 10.1093/Mnras/Stu1019  0.442
2014 Córsico AH, Althaus LG, Bertolami MMM, Kepler SO, García-Berro E. Constraining the neutrino magnetic dipole moment from white dwarf pulsations Journal of Cosmology and Astroparticle Physics. 2014. DOI: 10.1088/1475-7516/2014/08/054  0.493
2014 Reindl N, Rauch T, Werner K, Kepler SO, Gänsicke BT, Gentile Fusillo NP. Analysis of cool do-type white dwarfs from the sloan digital sky survey data release 10 Astronomy and Astrophysics. 572. DOI: 10.1051/0004-6361/201424861  0.482
2014 Bognár Z, Paparó M, Córsico AH, Kepler SO, Gyorffy A. Revealing the pulsational properties of the V777 Herculis star KUV 05134+2605 by its long-term monitoring Astronomy and Astrophysics. 570. DOI: 10.1051/0004-6361/201423757  0.451
2014 Werner K, Rauch T, Kepler SO. New hydrogen-deficient (pre-) white dwarfs in the Sloan Digital Sky Survey Data Release 10 Astronomy and Astrophysics. 564. DOI: 10.1051/0004-6361/201423441  0.489
2014 Castanheira BG, Kepler SO. The most massive pulsating white dwarf stars Proceedings of the International Astronomical Union. 9: 281-284. DOI: 10.1017/S1743921313014452  0.503
2014 Romero AD, Kepler SO, Córsico AH, Althaus LG, Fraga L. Asteroseismology of massive pulsating da white dwarf stars with fully evolutionary models Revista Mexicana De Astronomia Y Astrofisica: Serie De Conferencias. 44: 54.  0.48
2013 Campos F, Kepler SO, Bonatto C, Ducati JR. Multichromatic colour-magnitude diagrams of the globular cluster NGC 6366 Monthly Notices of the Royal Astronomical Society. 433: 243-250. DOI: 10.1093/Mnras/Stt719  0.385
2013 Bonatto C, Campos F, Kepler SO. Mapping the differential reddening in globular clusters Monthly Notices of the Royal Astronomical Society. 435: 263-272. DOI: 10.1093/Mnras/Stt1304  0.37
2013 Kepler SO, Pelisoli I, Jordan S, Kleinman SJ, Koester D, Külebi B, Peçanha V, Castanheira BG, Nitta A, Costa JES, Winget DE, Kanaan A, Fraga L. Magnetic white dwarf stars in the Sloan Digital Sky Survey Monthly Notices of the Royal Astronomical Society. 429: 2934-2944. DOI: 10.1093/Mnras/Sts522  0.627
2013 Castanheira BG, Kepler SO, Kleinman SJ, Nitta A, Fraga L. Discovery of five new massive pulsating white dwarf stars Monthly Notices of the Royal Astronomical Society. 430: 50-59. DOI: 10.1093/Mnras/Sts474  0.734
2013 Hermes JJ, Kepler SO, Castanheira BG, Gianninas A, Winget DE, Montgomery MH, Brown WR, Harrold ST. Discovery of an ultramassive pulsating white dwarf Astrophysical Journal Letters. 771. DOI: 10.1088/2041-8205/771/1/L2  0.549
2013 Kleinman SJ, Kepler SO, Koester D, Pelisoli I, Peçanha V, Nitta A, Costa JES, Krzesinski J, Dufour P, Lachapelle FR, Bergeron P, Yip CW, Harris HC, Eisenstein DJ, Althaus L, et al. SDSS DR7 white dwarf catalog Astrophysical Journal, Supplement Series. 204. DOI: 10.1088/0067-0049/204/1/5  0.732
2013 Romero AD, Kepler SO, Córsico AH, Althaus LG, Fraga L. Asteroseismological study of massive ZZ CETI stars with fully evolutionary models Astrophysical Journal. 779. DOI: 10.1088/0004-637X/779/1/58  0.573
2013 Mukadam AS, Bischoff-Kim A, Fraser O, Córsico AH, Montgomery MH, Kepler SO, Romero AD, Winget DE, Hermes JJ, Riecken TS, Kronberg ME, Winget KI, Falcon RE, Chandler DW, Kuehne JW, et al. Measuring the evolutionary rate of cooling of zz ceti Astrophysical Journal. 771. DOI: 10.1088/0004-637X/771/1/17  0.393
2013 Williams KA, Winget DE, Montgomery MH, Dufour P, Kepler SO, Hermes JJ, Falcon RE, Winget KI, Bolte M, Rubin KHR, Liebert J. Photometric variability in a warm, strongly magnetic DQ white dwarf, SDSS J103655.39+652252.2 Astrophysical Journal. 769. DOI: 10.1088/0004-637X/769/2/123  0.414
2012 Córsico AH, Althaus LG, Miller Bertolami MM, Romero AD, García-Berro E, Isern J, Kepler SO. The rate of cooling of the pulsating white dwarf star G117-B15A: A new asteroseismological inference of the axion mass Monthly Notices of the Royal Astronomical Society. 424: 2792-2799. DOI: 10.1111/J.1365-2966.2012.21401.X  0.534
2012 Romero AD, Córsico AH, Althaus LG, Kepler SO, Castanheira BG, Miller Bertolami MM. Toward ensemble asteroseismology of ZZCeti stars with fully evolutionary models Monthly Notices of the Royal Astronomical Society. 420: 1462-1480. DOI: 10.1111/J.1365-2966.2011.20134.X  0.57
2012 Córsico AH, Althaus LG, Romero AD, Mukadam AS, García-Berro E, Isern J, Kepler SO, Corti MA. An independent limit on the axion mass from the variable white dwarf star R548 Journal of Cosmology and Astroparticle Physics. 2012. DOI: 10.1088/1475-7516/2012/12/010  0.518
2012 Kepler SO, Pelisoli I, Peçanha V, Costa JES, Fraga L, Hermes JJ, Winget DE, Castanheira B, Córsico AH, Romero AD, Althaus L, Kleinman SJ, Nitta A, Koester D, Külebi B, et al. Seismology of a massive pulsating hydrogen atmosphere white dwarf Astrophysical Journal. 757. DOI: 10.1088/0004-637X/757/2/177  0.708
2012 Provencal JL, Montgomery MH, Kanaan A, Thompson SE, Dalessio J, Shipman HL, Childers D, Clemens JC, Rosen R, Henrique P, Bischoff-Kim A, Strickland W, Chandler D, Walter B, Watson TK, ... ... Kepler SO, et al. Empirical determination of convection parameters in white dwarfs. I. Whole Earth Telescope observations of EC14012-1446 Astrophysical Journal. 751. DOI: 10.1088/0004-637X/751/2/91  0.614
2011 Córsico AH, Althaus LG, Kawaler SD, Miller Bertolami MM, García-Berro E, Kepler SO. Probing the internal rotation of pre-white dwarf stars with asteroseismology: The case of PG 0122+200 Monthly Notices of the Royal Astronomical Society. 418: 2519-2526. DOI: 10.1111/J.1365-2966.2011.19642.X  0.454
2011 Redaelli M, Kepler SO, Costa JES, Winget DE, Handler G, Castanheira BG, Kanaan A, Fraga L, Henrique P, Giovannini O, Provencal JL, Shipman HL, Dalessio J, Thompson SE, Mullally F, et al. The pulsations of PG 1351+489 Monthly Notices of the Royal Astronomical Society. 415: 1220-1227. DOI: 10.1111/J.1365-2966.2011.18743.X  0.673
2011 Reed MD, Harms SL, Poindexter S, Zhou AY, Eggen JR, Morris MA, Quint AC, Mcdaniel S, Baran A, Dolez N, Kawaler SD, Kurtz DW, Moskalik P, Riddle R, Zola S, ... ... Kepler SO, et al. Whole Earth Telescope observations of the subdwarf B star KPD1930+2752: A rich, short-period pulsator in a close binary Monthly Notices of the Royal Astronomical Society. 412: 371-390. DOI: 10.1111/J.1365-2966.2010.17912.X  0.507
2011 Rohrmann RD, Althaus LG, Kepler SO. Lyman α wing absorption in cool white dwarf stars Monthly Notices of the Royal Astronomical Society. 411: 781-791. DOI: 10.1111/J.1365-2966.2010.17716.X  0.381
2011 Fontaine G, Brassard P, Green EM, Charpinet S, Dufour P, Hubeny I, Steeghs D, Aerts C, Randal SK, Bergeron P, Guvenen B, O'Malley CJ, Van Grootel V, Østensen RH, Bloemen S, ... ... Kepler SO, et al. Discovery of a new am CVn system with the kepler satellite Astrophysical Journal. 726. DOI: 10.1088/0004-637X/726/2/92  0.496
2010 Castanheira BG, Kepler SO, Kleinman SJ, Nitta A, Fraga L. New developments of the ZZ Ceti instability strip: The discovery of 11 new variables Monthly Notices of the Royal Astronomical Society. 405: 2561-2569. DOI: 10.1111/J.1365-2966.2010.16633.X  0.64
2010 Montgomery MH, Provencal JL, Kanaan A, Mukadam AS, Thompson SE, Dalessio J, Shipman HL, Winget DE, Kepler SO, Koester D. Evidence for temperature change and oblique pulsation from light curve fits of the pulsating white dwarf GD358 Astrophysical Journal. 716: 84-96. DOI: 10.1088/0004-637X/716/1/84  0.51
2009 Castanheira BG, Kepler SO. Seismological studies of ZZ Ceti stars - II. Application to the ZZ Ceti class Monthly Notices of the Royal Astronomical Society. 396: 1709-1731. DOI: 10.1111/J.1365-2966.2009.14855.X  0.474
2009 Mukadam AS, Kim A, Fraser O, Winget DE, Kepler SO, Sullivan DJ, Reaves D, Robinson EL, Von Hippel T, Mullally F, Shipman H, Thompson SE, Silvestri NM, Hynes RI. Watching ZZ ceti evolve Journal of Physics: Conference Series. 172. DOI: 10.1088/1742-6596/172/1/012074  0.46
2009 Nitta A, Kleinman SJ, Krzenski J, Kepler SO, Metcalfe TS, Mukadam AS, Mullally F, Nather RE, Sullivan D, Thompson SE, Winget DE. Doubling the number of pulsating DB white dwarfs Journal of Physics: Conference Series. 172. DOI: 10.1088/1742-6596/172/1/012073  0.493
2009 Castanheira BG, Kepler SO. Seismological studies of ZZ Ceti stars Journal of Physics: Conference Series. 172. DOI: 10.1088/1742-6596/172/1/012068  0.424
2009 Kepler SO, Castanheira BG. New pulsating ZZ ceti stars Journal of Physics: Conference Series. 172. DOI: 10.1088/1742-6596/172/1/012064  0.49
2009 Koester D, Kepler SO, Kleinman SJ, Nitta A. SDSS white dwarf mass distribution at low effective temperatures Journal of Physics: Conference Series. 172. DOI: 10.1088/1742-6596/172/1/012006  0.637
2009 Althaus LG, Panei JA, Miller Bertolami MM, García-Berro E, Córsico AH, Romero AD, Kepler SO, Rohrmann RD. New evolutionary sequences for hot H-deficient white dwarfs on the basis of a full account of progenitor evolution Astrophysical Journal. 704: 1605-1615. DOI: 10.1088/0004-637X/704/2/1605  0.574
2009 Córsico AH, Althaus LG, Miller Bertolami MM, Gonzlez Pérez JM, Kepler SO. On the possible existence of short-period g-mode instabilities powered by nuclear-burning shells in post-asymptotic giant branch H-deficient (PG1159-TYPE) stars Astrophysical Journal. 701: 1008-1014. DOI: 10.1088/0004-637X/701/2/1008  0.51
2009 Winget DE, Kepler SO, Campos F, Montgomery MH, Girardi L, Bergeron P, Williams K. The physics of crystallization from globular cluster white dwarf stars in ngc 6397 Astrophysical Journal. 693: L6-L10. DOI: 10.1088/0004-637X/693/1/L6  0.408
2009 Provencal JL, Montgomery MH, Kanaan A, Shipman HL, Childers D, Baran A, Kepler SO, Reed M, Zhou A, Eggen J, Watson TK, Winget DE, Thompson SE, Riaz B, Nitta A, et al. 2006 Whole earth telescope observations of GD358: A new look at the prototype DBV Astrophysical Journal. 693: 564-585. DOI: 10.1088/0004-637X/693/1/564  0.608
2009 Nitta A, Kleinman SJ, Krzesinski J, Kepler SO, Metcalfe TS, Mukadam AS, Mullally F, Nather RE, Sullivan DJ, Thompson SE, Winget DE. New pulsating DB white dwarf stars from the sloan digital sky survey Astrophysical Journal. 690: 560-565. DOI: 10.1088/0004-637X/690/1/560  0.731
2009 Castanheira BG, Kepler SO. Seismology of white dwarfs: The ZZ ceti stars Aip Conference Proceedings. 1170: 616-620. DOI: 10.1063/1.3246572  0.431
2008 Winget DE, Kepler SO. Pulsating white dwarf stars and precision asteroseismology Annual Review of Astronomy and Astrophysics. 46: 157-199. DOI: 10.1146/Annurev.Astro.46.060407.145250  0.514
2008 Sullivan DJ, Metcalfe TS, O'Donoghue D, Winget DE, Kilkenny D, Van Wyk F, Kanaan A, Kepler SO, Nitta A, Kawaler SD, Montgomery MH, Nather RE, O'Brien MS, Bischoff-Kim A, Wood M, et al. Whole Earth Telescope observations of the hot helium atmosphere pulsating white dwarf EC 20058-5234 Monthly Notices of the Royal Astronomical Society. 387: 137-152. DOI: 10.1111/J.1365-2966.2008.13074.X  0.489
2008 Castanheira BG, Kepler SO. Seismological studies of ZZ Ceti stars - I. the model grid and the application to individual stars Monthly Notices of the Royal Astronomical Society. 385: 430-444. DOI: 10.1111/J.1365-2966.2008.12851.X  0.557
2008 DeGennaro S, Von Hippel T, Winget DE, Kepler SO, Nitta A, Koester D, Althaus L. White dwarf luminosity and mass functions from sloan digital sky survey spectra Astronomical Journal. 135: 1-9. DOI: 10.1088/0004-6256/135/1/1  0.646
2008 Althaus LG, Córsico AH, Bertolami MMM, García-Berro E, Kepler SO. Evidence of thin helium envelopes in PG 1159 stars Astrophysical Journal. 677. DOI: 10.1086/587739  0.528
2008 Mullally F, Winget DE, Degennaro S, Jeffery E, Thompson SE, Chandler D, Kepler SO. Limits on planets around pulsating white dwarf stars Astrophysical Journal. 676: 573-583. DOI: 10.1086/528672  0.602
2008 Costa JES, Kepler SO. The temporal changes of the pulsational periods of the pre-white dwarf PG 1159-035 Astronomy and Astrophysics. 489: 1225-1232. DOI: 10.1051/0004-6361:20079118  0.465
2008 Córsico AH, Althaus LG, Kepler SO, Costa JES, Bertolami MMM. Asteroseismological measurements on PG 1159-035, the prototype of the GW Virginis variable stars Astronomy and Astrophysics. 478: 869-881. DOI: 10.1051/0004-6361:20078646  0.506
2008 Althaus LG, Córsico AH, Kepler SO, Miller Bertolami MM. On the systematics of asteroseismological mass determinations of PG 1159 stars Astronomy and Astrophysics. 478: 175-180. DOI: 10.1051/0004-6361:20078524  0.46
2008 Costa JES, Kepler SO, Winget DE, O'Brien MS, Kawaler SD, Costa AFM, Giovannini O, Kanaan A, Mukadam AS, Mullally F, Nitta A, Provençal JL, Shipman H, Wood MA, Ahrens TJ, et al. The pulsation modes of the pre-white dwarf PG 1159-035 Astronomy and Astrophysics. 477: 627-640. DOI: 10.1051/0004-6361:20053470  0.673
2007 Kepler SO. Observational white dwarf seismology Communications in Asteroseismology. 150: 221-226. DOI: 10.1553/CIA150S221  0.41
2007 Kepler SO, Kleinman SJ, Nitta A, Koester D, Castanheira BG, Giovannini O, Costa AFM, Althaus L. White dwarf mass distribution in the SDSS Monthly Notices of the Royal Astronomical Society. 375: 1315-1324. DOI: 10.1111/J.1365-2966.2006.11388.X  0.515
2007 Castanheira BG, Kepler SO, Costa AFM, Giovannini O, Robinson EL, Winget DE, Kleinman SJ, Nitta A, Eisenstein D, Koester D, Santos MG. Towards a pure ZZ Ceti instability strip Astronomy and Astrophysics. 462: 989-993. DOI: 10.1051/0004-6361:20065886  0.778
2006 Kepler SO, Castanheira BG, Costa AFM, Koester D. Gemini spectra of 12 000 K white dwarf stars Monthly Notices of the Royal Astronomical Society. 372: 1799-1803. DOI: 10.1111/J.1365-2966.2006.10992.X  0.423
2006 Vučković M, Kawaler SD, O'Toole S, Csubry Z, Baran A, Zola S, Moskalik P, Klumpe EW, Riddle R, O'Brien MS, Mullally F, Wood MA, Wilkat V, Zhou AY, Reed MD, ... ... Kepler SO, et al. Whole earth telescope observations of the pulsating subdwarf B Star PG 0014+067 Astrophysical Journal. 646: 1230-1240. DOI: 10.1086/505137  0.485
2006 Mukadam AS, Montgomery MH, Winget DE, Kepler SO, Clemens SC. Ensemble characteristics of the ZZ Ceti stars Astrophysical Journal. 640: 956-965. DOI: 10.1086/500289  0.548
2006 Voss B, Koester D, Østensen R, Kepler SO, Napiwotzki R, Homeier D, Reimers D. Discovery of seven ZZ Ceti stars using a new photometric selection method Astronomy and Astrophysics. 450: 1061-1070. DOI: 10.1051/0004-6361:20054227  0.562
2006 Castanheira BG, Kepler SO, Handler G, Koester D. Analysis of IUE spectra of helium-rich white dwarf stars Astronomy and Astrophysics. 450: 331-337. DOI: 10.1051/0004-6361:20054221  0.527
2006 Castanheira BG, Kepler SO, Mullally F, Winget DE, Koester D, Voss B, Kleinman SJ, Nitta A, Eisenstein DJ, Napiwotzki R, Reimers D. Discovery of eleven new ZZ Ceti stars Astronomy and Astrophysics. 450: 227-231. DOI: 10.1051/0004-6361:20053500  0.663
2005 Kurtz DW, Cameron C, Cunha MS, Dolez N, Vauclair G, Pallier E, Ulla A, Kepler SO, Da Costa A, Kanaan A, Fraga L, Giovannini O, Wood MA, Silvestri N, Kawaler SD, et al. Pushing the ground-based limit: 14-μmag photometric precision with the definitive Whole Earth Telescope asteroseismic data set for the rapidly oscillating Ap star HR 1217 Monthly Notices of the Royal Astronomical Society. 358: 651-664. DOI: 10.1111/J.1365-2966.2005.08807.X  0.662
2005 Kepler SO, Costa JES, Castanheira BG, Winget DE, Mullally F, Nather RE, Kilic M, Von Hippel T, Mukadam AS, Sullivan DJ. Measuring the evolution of the most stable optical clock G 117-B15A Astrophysical Journal. 634: 1311-1318. DOI: 10.1086/497002  0.361
2005 Mullally F, Thompson SE, Castanheira BG, Winget DE, Kepler SO, Eisenstein DJ, Kleinman SJ, Nitta A. Eleven new da white dwarf variable stars from the Sloan Digital Sky Survey Astrophysical Journal. 625: 966-972. DOI: 10.1086/429885  0.517
2005 Kepler SO, Castanheira BG, Saraiva MFO, Nitta A, Kleinman SJ, Mullally F, Winget DE, Eisenstein DJ. Discovery of fourteen new ZZ Cetis with SOAR Astronomy and Astrophysics. 442: 629-634. DOI: 10.1051/0004-6361:20053640  0.713
2005 Castanheira BG, Nitta A, Kepler SO, Winget DE, Koester D. HST observations of the pulsating white dwarf GD 358 Astronomy and Astrophysics. 432: 175-179. DOI: 10.1051/0004-6361:20041573  0.632
2005 Kanaan A, Nitta A, Winget DE, Kepler SO, Montgomery MH, Metcalfe TS, Oliveira H, Fraga L, Da Costa AFM, Costa JES, Castanheira BG, Giovannini O, Nather RE, Mukadam A, Kawaler SD, et al. Whole Earth Telescope observations of BPM 37093: A seismological test of crystallization theory in white dwarfs Astronomy and Astrophysics. 432: 219-224. DOI: 10.1051/0004-6361:20041125  0.639
2004 Kepler SO. White dwarfs as laboratories International Journal of Modern Physics D. 13: 1493-1508. DOI: 10.1142/S0218271804005730  0.554
2004 Castanheira BG, Kepler SO. The pulsating white dwarf G 185-32 International Journal of Modern Physics D. 13: 1213-1216. DOI: 10.1142/S021827180400533X  0.549
2004 Mukadam AS, Winget DE, Von Hippel T, Montgomery MH, Kepler SO, Costa AFM. Redefining the empirical ZZ Ceti instability strip Astrophysical Journal. 612: 1052-1059. DOI: 10.1086/422551  0.503
2004 Mukadam AS, Mullally F, Nather RE, Winget DE, Von Hippel T, Kleinman SJ, Nitta A, Krzesiński J, Kepler SO, Kanaan A, Koester D, Sullivan DJ, Homeier D, Thompson SE, Reaves D, et al. Thirty-five new pulsating DA white dwarf stars Astrophysical Journal. 607: 982-998. DOI: 10.1086/383083  0.711
2004 Kawaler SD, Potter EM, Vu?kovi? M, Dind ZE, O'Toole S, Clemens JC, O'Brien MS, Grauer AD, Nather RE, Moskalik PA, Claver CF, Fontaine G, Wesemael F, Bergeron P, Vauclair G, ... ... Kepler SO, et al. Whole earth telescope observations of the pulsating hot white dwarf PG 1707+427 Astronomy and Astrophysics. 428: 969-981. DOI: 10.1051/0004-6361:20041475  0.555
2004 Castanheira BG, Kepler SO, Moskalik P, Zola S, Pajdosz G, Krzensiński J, O'Donoghue D, Katz M, Buckley D, Vauclair G, Dolez N, Chevreton M, Barstow MA, Kanaan A, Giovannini O, et al. Observations of the pulsating white dwarf G 185-32 Astronomy and Astrophysics. 413: 623-634. DOI: 10.1051/0004-6361:20031567  0.428
2003 Kurtz DW, Kawaler S, Riddle RL, Reed M, Cunha MS, Wood M, Silvestri N, Watson T, Dolez N, Moskalik P, Zola S, Pallier E, Guzik J, Metcalfe TS, Mukadam A, ... ... Kepler S, et al. High Precision with the Whole Earth Telescope: Lessons and Some Results from XCov20 for the roAp Star HR 1217 Open Astronomy. 12. DOI: 10.1515/Astro-2017-0036  0.441
2003 Mukadam AS, Kepler SO, Winget DE, Nather RE, Kilic M, Mullally F, Von Hippel T, Kleinman SJ, Nitta A, Guzik JA, Bradley PA, Matthews J, Sekiguchi K, Sullivan DJ, Sullivan T, et al. Constraining the evolution of ZZ Ceti Baltic Astronomy. 12: 71-103. DOI: 10.1515/Astro-2017-0035  0.588
2003 Mukadam AS, Kepler SO, Winget DE, Nather RE, Kilic M, Mullally F, Hippel Tv, Kleinman SJ, Nitta A, Guzik JA, Bradley PA, Matthews J, Sekiguchi K, Sullivan DJ, Shobbrook RR, et al. Constraining the Evolution of ZZ Ceti Open Astronomy. 12. DOI: 10.1515/astro-2017-0035  0.398
2003 Schuh S, Heber U, Dreizler S, O'Toole S, Jeffery C, Falter S, Woolf V, Riddle R, Handler G, Hurkal O, Pakstiene E, Klumpe E, Laurance T, Vuckovic M, Zola S, ... ... Kepler S, et al. PG 1605+072 in WET XCoV22: Support for the multi site spectroscopic telescope Baltic Astronomy. 12: 55-70. DOI: 10.1515/Astro-2017-0034  0.521
2003 Kepler SO, Nather ER, Winget DE, Nitta A, Kleinman SJ, Metcalfe T, Sekiguchi K, Xiaojun J, Sullivan D, Sullivan T, Janulis R, Meištas EG, Kalytis R, KrzesiŃski J, Ogloza W, et al. Wet observations of GD 358 in 2000 Baltic Astronomy. 12: 45-53. DOI: 10.1515/Astro-2017-0033  0.567
2003 Castanheira BG, Kepler S, Moskalik P, Kleinman SJ, Sansom A, Solheim J, Belmonte J, Kawaler S, Kanaan A, Winget D, Nather R, Watson T, Clemens JC, Provencal J, Grauer A, et al. Wet Observations of the DAV G185–32 Open Astronomy. 12. DOI: 10.1515/Astro-2017-0032  0.4
2003 Costa JES, Kepler SO, Winget DE, O'Brien MS, Bond HE, Kawaler SD, Dreizler S. Wet observations of PG 1159-035 Baltic Astronomy. 12: 23-31. DOI: 10.1515/Astro-2017-0030  0.391
2003 Kepler SO, Nather RE, Winget DE, Nitta A, Kleinman SJ, Metcalfe T, Sekiguchi K, Xiaojun J, Sullivan D, Sullivan T, Janulis R, Meistas E, Kalytis R, Krzesinski J, Ogłoza W, et al. The everchanging pulsating white dwarf GD358 Astronomy & Astrophysics. 401: 639-654. DOI: 10.1051/0004-6361:20030105  0.623
2003 Kilkenny D, Reed MD, O'Donoghue D, Kawaler SD, Mukadam A, Kleinman SJ, Nitta A, Metcalfe TS, Provencal JL, Watson TK, Sullivan DJ, Sullivan T, Shobbrook R, Jiang XJ, Joshi S, ... ... Kepler SO, et al. A Whole Earth Telescope campaign on the pulsating subdwarf B binary system PG 1336-018 (NY Vir) Monthly Notices of the Royal Astronomical Society. 345: 834-846. DOI: 10.1046/J.1365-8711.2003.07007.X  0.448
2003 Handler G, O'Donoghue D, Müller M, Solheim JE, Gonzalez-Perez JM, Johannessen F, Paparo M, Szeidl B, Viraghalmy G, Silvotti R, Vauclair G, Dolez N, Pallier E, Chevreton M, Kurtz DW, ... ... Kepler SO, et al. Amplitude and frequency variability of the pulsating DB white dwarf stars KUV 05134+2605 and PG 1654+160 observed with the Whole Earth Telescope Monthly Notices of the Royal Astronomical Society. 340: 1031-1038. DOI: 10.1046/J.1365-8711.2003.06373.X  0.679
2003 Alves VM, Kepler SO, Handler G, Hansen CJ, Costa JES, Nitta A, Claver CF, Kanaan A, Nather RE, Winget DE, Kleinman SJ, Bin ZJ, Xiaojun J, Meištas EG, Chernyshev AV, et al. The pulsating DB white dwarf PG 1351+489 Baltic Astronomy. 12: 33-37.  0.309
2003 Kepler SO, Nather RE, Winget DE, Nitta A, Kleinman SJ, Metcalfe T, Sekiguchi K, Xiaojun J, Sullivan D, Sullivan T, Janulis R, Meistas E, Kalytis R, Krzesinski J, Ogłoza W, et al. The everchanging pulsating white dwarf GD358 Astronomy and Astrophysics. 401: 639-654.  0.363
2002 Mukadam AS, Kepler SO, Winget DE, Bergeron P. A new ZZ Ceti white dwarf pulsator: G30-20 Astrophysical Journal. 580: 429-433. DOI: 10.1086/343085  0.417
2002 Kanaan A, Kepler SO, Winget DE. The ZZ Ceti red edge Astronomy and Astrophysics. 389: 896-903. DOI: 10.1051/0004-6361:20020485  0.49
2002 Kurtz DW, Kawaler SD, Riddle RL, Reed MD, Cunha MS, Wood M, Silvestri N, Watson TK, Dolez N, Moskalik P, Zola S, Pallier E, Guzik JA, Metcalfe TS, Mukadam AS, ... ... Kepler SO, et al. Discovery of the ‘missing’ mode in HR 1217 by the Whole Earth Telescope Monthly Notices of the Royal Astronomical Society. 330: 57-61. DOI: 10.1046/J.1365-8711.2002.05294.X  0.498
2002 Kurtz DW, Kawaler SD, Riddle RL, Reed MD, Cunha MS, Wood M, Silvestri N, Watson TK, Dolez N, Moskalik P, Zola S, Pallier E, Guzik JA, Metcalfe TS, Mukadam AS, ... ... Kepler SO, et al. Discovery of the 'missing' mode in HR 1217 by the Whole Earth Telescope Monthly Notices of the Royal Astronomical Society. 330: L57-L61.  0.317
2002 Vauclair G, Moskalik P, Pfeiffer B, Chevreton M, Dolez N, Serre B, Kleinman SJ, Barstow M, Sansom AE, Solheim JE, Belmonte JA, Kawaler SD, Kepler SO, Kanaan A, Giovannini O, et al. Asteroseismology of RXJ 2117+3412, the hottest pulsating PG 1159 star Astronomy and Astrophysics. 381: 122-150.  0.393
2000 Kepler SO, Mukadam A, Winget DE, Nather RE, Metcalfe TS, Reed MD, Kawaler SD, Bradley PA. Evolutionary Timescale of the Pulsating White Dwarf G117-B15A: The Most Stable Optical Clock Known. The Astrophysical Journal. 534: L185-L188. PMID 10813678 DOI: 10.1086/312664  0.459
2000 Costa JES, Kepler SO. Determination of the uncertainties in frequency, amplitude and phase from Monte Carlo simulations Baltic Astronomy. 9: 451-462. DOI: 10.1515/Astro-2000-0312  0.371
2000 Reed MD, Kilkenny D, Kawaler SD, Mukadam A, Kleinman SJ, Nitta-Kleinman A, Provencal JL, Watson T, Sullivan D, Sullivan T, Shobbrook B, Jiang XJ, Ashoka BN, Seetha S, Leibowitz E, ... ... Kepler SO, et al. Preliminary results from XCOV 17: PG 1336-018 Baltic Astronomy. 9: 183-195. DOI: 10.1515/Astro-2000-0202  0.486
2000 Kepler SO, Costa AFMd, Giovannini O, Koester D. The ML1/alpha =2 Instability Strip of ZZ Ceti Stars Open Astronomy. 9: 125-132. DOI: 10.1515/Astro-2000-0119  0.353
2000 Nitta A, Kanaan A, Kepler SO, Koester D, Montgomery MH, Winget DE. Mode identification of BPM 37093 with the HST Baltic Astronomy. 9: 97-112. DOI: 10.1515/Astro-2000-0116  0.608
2000 Kanaan A, Nitta-Kleinman A, Winget DE, Kepler SO, Montgomery M. BPM 37093: Preliminary results from XCOV 16 and XCOV 17 Baltic Astronomy. 9: 87-96. DOI: 10.1515/Astro-2000-0115  0.446
2000 Kepler SO, Robinson EL, Koester D, Clemens JC, Nather RE, Jiang XJ. Mode identification in pulsating white dwarfs using the HST Baltic Astronomy. 9: 59-68. DOI: 10.1515/Astro-2000-0112  0.649
2000 Kepler SO, Robinson EL, Koester D, Clemens JC, Nather RE, Jiang XJ. Mode identification of pulsating white dwarfs using the Hubble Space Telescope Astrophysical Journal. 539: 379-391. DOI: 10.1086/309226  0.627
2000 Vuille F, O'Donoghue D, Buckley DAH, Massacand CM, Solheim JE, Bard S, Vauclair G, Giovannini O, Kepler SO, Kanaan A, Provencal JL, Wood MA, Clemens JC, Kleinman SJ, O'Brien MS, et al. Normal modes and discovery of high-order cross-frequencies in the DBV white dwarf GD 358 Monthly Notices of the Royal Astronomical Society. 314: 689-701. DOI: 10.1046/J.1365-8711.2000.03369.X  0.357
2000 Nitta A, Mukadam A, Winget DE, Kanaan A, Kleinman SJ, Kepler SO, Montgomery MH. Search For Cool White Dwarf Pulsators International Astronomical Union Colloquium. 176: 525-526. DOI: 10.1017/S0252921100058735  0.393
2000 Kepler SO, Costa JES, Winget DE, Reed MD, Kawaler SD. Time Scales for Period Change in Pulsating White Dwarf Stars International Astronomical Union Colloquium. 176: 521-522. DOI: 10.1017/s0252921100058711  0.378
2000 Kanaan A, Winget DE, Kepler SO, Montgomery MH. Observational Proof of the ZZ Ceti Red Edge International Astronomical Union Colloquium. 176: 518-518. DOI: 10.1017/s0252921100058693  0.366
2000 Kepler SO, Da Costa AFM, Giovannini O, Koester D. The ML1/α = 2 instability strip of ZZ Ceti stars Baltic Astronomy. 9: 125-132.  0.391
1999 Costa JES, Kepler SO, Winget DE. Direct measurement of a secular pulsation period change in the pulsating hot pre-white dwarf pg 1159-035 Astrophysical Journal. 522: 973-982. DOI: 10.1086/307655  0.377
1998 Marar TMK, Seetha S, Ashoka BN, Kasturirangan K, Mahra HS, Bhattacharyya JC, Leibowitz EM, Hemar S, Mendelson H, Ibbetson PA, O'Donoghue D, Buckley DAH, Breger M, Handler G, Sperl M, ... ... Kepler SO, et al. The intermediate polar PQ Gem-status of WET observations of 1996 Baltic Astronomy. 7: 287-292. DOI: 10.1515/Astro-1998-0211  0.35
1998 Nitta A, Kepler SO, Winget DE, Koester D, Krzesiński J, Pajdosz G, Jiang X, Zoła S. HST observation of GD 358 Baltic Astronomy. 7: 203-209. DOI: 10.1515/Astro-1998-0204  0.348
1998 Kanaan A, Kepler SO, Giovannini O, Winget DE, Montgomery M, Nitta A. BPM 37093: The way to the interior of crystallized stars Baltic Astronomy. 7: 183-196. DOI: 10.1515/Astro-1998-0202  0.434
1998 Kepler SO, Nather RE, Metcalfe TS. Evolutionary timescale of the DAV star G 117-B15A Baltic Astronomy. 7: 175-182. DOI: 10.1515/Astro-1998-0121  0.458
1998 Kepler SO, Nather RE, Metcalfe TS. Evolutionary Timescale of the DAV star G117-B15A Open Astronomy. 7. DOI: 10.1515/astro-1998-0121  0.363
1998 Giovannini O, Kepler SO, Kanaan A, Wood MA, Claver CF, Koester D. Blue edge of the ZZ Ceti instability strip versus mass Baltic Astronomy. 7: 131-140. DOI: 10.1515/Astro-1998-0116  0.506
1998 Vauclair G, Moskalik P, Pfeiffer B, Chevreton M, Dolez N, Serre B, Kleinman SJ, Sansom AE, Solheim J, Belmonte JA, Barstow MA, Kepler S, Kanaan A, Winget D, Watson TK, et al. Asteroseismology of RXJ 2117+3412 Open Astronomy. 7. DOI: 10.1515/Astro-1998-0113  0.346
1998 Costa JES, Kepler SO. Direct measurement of the secular pulsational variation of the DOV star PG 1159-035 Baltic Astronomy. 7: 83-87. DOI: 10.1515/Astro-1998-0111  0.377
1998 O'Brien MS, Vauclair G, Kawaler SD, Watson TK, Winget DE, Nather RE, Montgomery M, Nitta A, Kleinman SJ, Sullivan DJ, Jiang XJ, Marar TMK, Seetha S, Ashoka BN, Bhattacharya J, ... ... Kepler SO, et al. Asteroseismology of a star cooled by neutrino emission: The pulsating pre-white dwarf PG 0122 + 200 Astrophysical Journal. 495: 458-467. DOI: 10.1086/305290  0.689
1998 Kleinman SJ, Nather RE, Winget DE, Clemens JC, Bradley PA, Kanaan A, Provencal JL, Claver CF, Watson TK, Yanagida K, Nitta A, Dixson JS, Wood MA, Grauer AD, Hine BP, ... ... Kepler SO, et al. Understanding the cool DA white DWARF pulsator, G29-38 Astrophysical Journal. 495: 424-434. DOI: 10.1086/305259  0.632
1998 Giovannini O, Kepler SO, Kanaan A, Costa AFM, Koester D. BPM 24754: A new southern ZZ Ceti star Astronomy and Astrophysics. 329.  0.409
1998 Solheim JE, Provencal JL, Bradley PA, Vauclair G, Barstow MA, Kepler SO, Fontaine G, Grauer AD, Winget DE, Marar TMK, Leibowitz EM, Emanuelsen PI, Chevreton M, Dolez N, Kanaan A, et al. Whole earth telescope observations of AM canum venaticorum - Discoseismology at last Astronomy and Astrophysics. 332: 939-957.  0.371
1997 Handler G, Pikall H, O'Donoghue D, Buckley DAH, Vauclair G, Chevreton M, Giovannini O, Kepler SO, Goode PR, Provencal JL, Wood MA, Clemens JC, O'Brien MS, Nather RE, Winget DE, et al. New Whole Earth Telescope observations of CD-24 7599: steps towards   Scuti star seismology Monthly Notices of the Royal Astronomical Society. 286: 303-314. DOI: 10.1093/Mnras/286.2.303  0.403
1997 Winget DE, Kepler SO, Kanaan A, Montgomery MH, Giovannini O. An empirical test of the theory of crystallization in stellar interiors Astrophysical Journal. 487. DOI: 10.1086/310887  0.444
1997 Provencal JL, Winget DE, Nather RE, Robinson EL, Clemens JC, Bradley PA, Claver CF, Kleinman SJ, Grauer AD, Hine BP, Ferrario L, O'Donoghue D, Warner B, Vauclair G, Chevreton M, ... Kepler SO, et al. Whole earth telescope observations of the helium interacting binary PG 1346+082 (CR Bootis) Astrophysical Journal. 480: 383-394. DOI: 10.1086/303971  0.675
1997 Handler G, Pikall H, O'Donoghue D, Buckley DAH, Vauclair G, Chevreton M, Giovannini O, Kepler SO, Goode PR, Provencal JL, Wood MA, Clemens JC, O'Brien MS, Nather RE, Winget DE, et al. New Whole Earth Telescope observations of CD-24 7599: Steps towards δ Scuti star seismology Monthly Notices of the Royal Astronomical Society. 286: 303-314.  0.35
1996 Pfeiffer B, Vauclair G, Dolez N, Chevreton M, Fremy JR, Barstow M, Belmonte JA, Kepler SO, Kanaan A, Giovannini O, Fontaine G, Bergeron P, Wesemael F, Grauer AD, Nather RE, et al. Whole earth telescope observations and seismological analysis of the cool ZZ Ceti star GD 154 Astronomy and Astrophysics. 314: 182-190.  0.362
1995 Kepler SO, Robinson EL, Nather RE. HST observations of the DAV white dwarf G 226-29 Open Astronomy. 4. DOI: 10.1515/Astro-1995-0304  0.622
1995 Pfeiffer B, Vauclair G, Dolez N, Chevreton M, Fremy J, Barstow M, Belmonte J, Kepler S, Kanaan A, Giovannini O, Fontaine G, Bergeron P, Wesemael F, Grauer A, Nather R, et al. Whole Earth Telescope observations and seismological analysis of the cool TIL Ceti star GD 154 Open Astronomy. 4. DOI: 10.1515/Astro-1995-0216  0.46
1995 Kepler S, Giovannini O, Costa A, Winget D, Nather RE, Kanaan A, Kleinman S, Marar T, Ashoka B, Mahra H, Solheim J, Emanuelsen P, Olsen Ø, Meištas E, Tereshchenko V, et al. Multisite observations of the DAV white dwarf R 548 Open Astronomy. 4. DOI: 10.1515/Astro-1995-0215  0.675
1995 Kepler S, Winget D, Nather R, Bradley P, Robinson E, Grauer A, Fontaine G, Bergeron P, Vauclair G, Claver C, Marar T, Seetha S, Ashoka B, Mazeh T, Leibowitz E, et al. Study of periodicities of the DAV white dwarf G 117-B15A with the Whole Earth Telescope Open Astronomy. 4: 221-237. DOI: 10.1515/Astro-1995-0214  0.64
1995 Kepler SO, Bradley PA. Structure and Evolution of White Dwarfs Baltic Astronomy. 4: 166-220. DOI: 10.1515/Astro-1995-0213  0.388
1995 Kepler SO, Giovannini O, Kanaan A, Wood MA, Claver CF. Non-variable stars inside the ZZ Ceti instability strip Open Astronomy. 4: 157-165. DOI: 10.1515/Astro-1995-0212  0.482
1995 Kepler SO, Giovannini O, Wood MA, Nather RE, Winget DE, Kanaan A, Kleinman SJ, Bradley PA, Provencal JL, Clemens JC, Claver CF, Watson TK, Yanagida K, Krisciunas K, Marar TMK, et al. Whole Earth Telescope Observations of the DAV White Dwarf G226-29 The Astrophysical Journal. 447: 874. DOI: 10.1086/175924  0.359
1995 Handler G, O’Donoghue D, Buckley DAH, Giovannini O, Kepler SO, Provencal JL, Wood MA, Clemens JC, O’Brien MS, Kleinman SJ, Watson TK, Nather RE, Winget DE, Kanaan A, Nitta A, et al. New WET Observations of the δ Scuti Star CD-24 7599: amplitude variability and discovery of 13 pulsation modes International Astronomical Union Colloquium. 155: 331-332. DOI: 10.1017/S0252921100037350  0.304
1995 Provencal JL, Winget DE, Nather RE, Robinson EL, Solheim JE, Clemens JC, Bradley PA, Kleinman SJ, Kanaan A, Claver CF, Hansen CJ, Marar TMK, Seetha S, Ashoka BN, Leibowitz EM, ... ... Kepler SO, et al. The unusual helium variable AM canum venaticorum Astrophysical Journal. 445: 927-938.  0.574
1995 Kawaler SD, O'Brien MS, Clemens JC, Nather RE, Winget DE, Watson TK, Yanagida K, Dixson JS, Bradley PA, Wood MA, Sullivan DJ, Kleinman SJ, Meištas E, Leibowitz EM, Moskalik P, ... ... Kepler SO, et al. Whole earth telescope observations and seismological analysis of the pre-white dwarf PG 2131 + 066 Astrophysical Journal. 450: 350-363.  0.423
1994 Barstow MA, Wesemael F, Holberg JB, Buckley DAH, Stobie RS, Mittaz JPD, Fontaine G, Rosen SR, Demers S, Lamontagne R, Irwin MJ, Bergeron P, Kepler SO, Vennes S. A new hot DA white dwarf in a region of exeptionally low H I density Monthly Notices of the Royal Astronomical Society. 267: 647-652. DOI: 10.1093/Mnras/267.3.647  0.451
1994 Winget DE, Nather RE, Clemens JC, Provencal JL, Kleinman SJ, Bradley PA, Claver CF, Dixson JS, Montgomery MH, Hansen CJ, Hine BP, Birch P, Candy M, Marar TMK, Seetha S, ... ... Kepler SO, et al. Whole earth telescope observations of the DBV white dwarf GD 358 The Astrophysical Journal. 430: 839. DOI: 10.1086/174455  0.612
1994 Wesemael F, Bergeron P, Lamontagne RL, Fontaine G, Beauchamp A, Demers S, Irwin MJ, Holberg JB, Kepler SO, Vennes S. Hot Degenerates in the Montreal-Cambridge-Tololo Survey. II. Two New Hybrid White Dwarfs, MCT 0128-3846 and MCT 0453-2933, and the Nature of the DAB Stars The Astrophysical Journal. 429: 369-379. DOI: 10.1086/174326  0.49
1994 Wesemael F, Bergeron P, Lamontagne R, Fontaine G, Beauchamp A, Demers S, Irwin MJ, Holberg JB, Kepler SO, Vennes S. Hot degenerates in the Montreal-Cambridge-Tololo survey. II. Two new hybrid white dwarfs, MCT 0128-3846 and MCT 0453-2933, and the nature of the DAB stars Astrophysical Journal. 429: 369-379.  0.42
1994 Kleinman SJ, Nather RE, Winget DE, Clemens JC, Bradley PA, Kanaan A, Provencal JL, Claver CF, Watson TK, Yanagida K, Dixson JS, Wood MA, Sullivan DJ, Meištas E, Leibowitz EM, ... ... Kepler SO, et al. Observational limits on companions to G29-38 Astrophysical Journal. 436: 875-884.  0.42
1993 Kepler SO. Whole Earth Telescope data analysis Open Astronomy. 2. DOI: 10.1515/Astro-1993-3-425  0.329
1993 Bergeron P, Fontaine G, Brassard P, Lamontagne R, Wesemael F, Winget DE, Nather RE, Bradley PA, Claver CF, Clemens JC, Kleinman SJ, Provencal J, Mcgraw JT, Birch P, Candy M, ... ... Kepler SO, et al. High-Speed Photometric Observations of the Pulsating DA White Dwarf GD 165 The Astronomical Journal. 106: 1987-1999. DOI: 10.1086/116780  0.449
1993 Kepler SO, Nelan EP. IUE temperatures for white dwarf stars in and around the ZZ Ceti instability strip Astronomical Journal. 105: 608-613. DOI: 10.1086/116457  0.479
1993 Winget D, Nather R, Clemens J, Provencal J, Kleinman S, Bradley P, Claver C, Dixson J, Wood M, Grauer A, Hine B, Hansen C, Bergeron P, Birch P, Candy M, ... ... Kepler S, et al. Asteroseismology of the DBV White Dwarf GD 358 with the Whole Earth Telescope International Astronomical Union Colloquium. 137: 789-791. DOI: 10.1017/S0252921100018881  0.519
1993 Pfeiffer B, Vauclair G, Dolez N, Chevreton M, Fremy JR, Herpe G, Barstow M, Kleinman SJ, Watson TK, Belmonte JA, Kepler SO, Kanaan A, Giovannini O, Nather RE, Winget DE, et al. Observation of a Variable, ZZ Ceti White Dwarf: GD154 International Astronomical Union Colloquium. 134: 201-204. DOI: 10.1017/S0252921100014196  0.415
1993 Barstow MA, Wesemael F, Holberg JB, Werner K, Buckley DAH, Stobie RS, Fontaine G, Rosen SR, Demers S, Lamontagne R, Irwin MJ, Bergeron P, Kepler SO, Vennes S. Two new hot white dwarfs in a region of exceptionally low hi density Advances in Space Research. 13: 281-285. DOI: 10.1016/0273-1177(93)90121-Q  0.397
1993 Pfeiffer B, Vauclair G, Dolez N, Chevreton M, Fremy JR, Herpe G, Barstow M, Kleinman SJ, Watson TK, Belmonte JA, Kepler SO, Kanaan A, Giovannini O, Nather RE, Winget DE, et al. Observation of a variable, ZZ Ceti white dwarf: GD154 Astrophysics and Space Science. 210: 201-204. DOI: 10.1007/Bf00657899  0.417
1993 Bergeron P, Fontaine G, Brassard P, Lamontagne R, Wesemael F, Winget DE, Nather RE, Bradley PA, Claver CF, Clemens JC, Kleinman SJ, Provencal J, Mcgraw JT, Birch P, Candy M, ... ... Kepler SO, et al. High-speed photometric observations of the pulsating DA white dwarf GD 165 Astronomical Journal. 106: 1987-1999.  0.323
1992 Kanaan A, Kepler SO, Giovannini O, Diaz M. The discovery of a new DAV star using IUE temperature determination Astrophysical Journal. 390. DOI: 10.1086/186379  0.526
1992 Clemens JC, Nather RE, Winget DE, Robinson EL, Wood MA, Claver CF, Provencal J, Kleinman SJ, Bradley PA, Frueh ML, Grauer AD, Hine BP, Fontaine G, Achilleos N, Wickramasinghe DT, ... ... Kepler SO, et al. Whole Earth Telescope observations of V471 Tauri - The nature of the white dwarf variations The Astrophysical Journal. 391: 773. DOI: 10.1086/171387  0.531
1992 Clemens JC, Nather RE, Winget DE, Robinson EL, Wood MA, Claver CF, Provencal J, Kleinman SJ, Bradley PA, Frueh ML, Grauer AD, Hine BP, Fontaine G, Achilleos N, Wickramasinghe DT, ... ... Kepler SO, et al. Whole earth telescope observations of V471 Tauri: The nature of the white dwarf variations Astrophysical Journal. 391: 773-783.  0.601
1991 Schroder MFS, Kepler SO. Ubvri Photoelectric Photometry Of Ten Southern Galaxies Publications of the Astronomical Society of the Pacific. 103: 383-389. DOI: 10.1086/132831  0.455
1991 Winget DE, Nather RE, Clemens JC, Provencal J, Kleinman SJ, Bradley PA, Wood MA, Claver CF, Frueh ML, Grauer AD, Hine BP, Hansen CJ, Fontaine G, Achilleos N, Wickramasinghe DT, ... ... Kepler SO, et al. Asteroseismology of the DOV star PG 1159-035 with the whole earth telescope Astrophysical Journal. 378: 326-346.  0.572
1991 Kepler SO, Winget DE, Nather RE, Bradley PA, Grauer AD, Fontaine G, Bergeron P, Vauclair G, Claver CF, Marar TMK, Seetha S, Ashoka BN, Mazeh T, Leibowitz E, Dolez N, et al. A detection of the evolutionary time scale of the DA white dwarf G117- B15A with the whole earth telescope Astrophysical Journal. 378.  0.303
1990 Winget DE, Nather RE, Clemens JC, Provencal J, Kleinman SJ, Bradley PA, Wood MA, Claver CF, Robinson EL, Grauer AD, Hine BP, Fontaine G, Achilleos N, Marar TMK, Seetha S, ... ... Kepler SO, et al. Whole earth telescope observations of the white dwarf G29-38: Phase variations of the 615 second period Astrophysical Journal. 357: 630-637. DOI: 10.1086/168951  0.698
1990 Winget DE, Nather RE, Clemens JC, Provencal J, Kleinman SJ, Bradley PA, Wood MA, Claver CF, Robinson EL, Grauer AD, Hine BP, Fontaine G, Achilleos N, Marar TMK, Seetha S, ... ... Kepler SO, et al. Whole earth telescope observations of the white dwarf G29-38 - Phase variations of the 615 second period The Astrophysical Journal. 357: 630. DOI: 10.1086/168951  0.524
1990 Demers S, Wesemael F, Irwin MJ, Fontaine G, Lamontagne R, Kepler SO, Holberg JB. Hot degenerates in the MCT survey. I. MCT 0130-1937, a new, color-selected PG 1159 object Astrophysical Journal. 351: 271-276. DOI: 10.1086/168462  0.479
1990 Schroder MFS, Pastoriza MG, Kepler SO. Ccd Surface Photometry Of The Edge-On Galaxy Ngc 6835 Publications of the Astronomical Society of the Pacific. 102: 621-631. DOI: 10.1086/132681  0.471
1990 Kepler SO, Vauclair G, Dolez N, Chevreton M, Barstow MA, Nather RE, Winget DE, Provencal JL, Clemens JC, Fontaine G. An observational limit to the evolutionary time scale of the 13,000 K white dwarf G117-B15A Astrophysical Journal. 357: 204-207.  0.392
1989 Kurtz DW, Matthews JM, Martinez P, Seeman J, Cropper M, Clemens JC, Kreidl TJ, Sterken C, Schneider H, Weiss WW, Kawaler SD, Kepler SO, van der Peet A, Sullivan DJ, Wood HJ. The high-overtone p-mode spectrum of the rapidly oscillating AP star HR 1217 (HD 24712) - results of a frequency analysis of 324 hr of multi-site photometric observations obtained during a 46-d time-span in 1986* Monthly Notices of the Royal Astronomical Society. 240: 881-915. DOI: 10.1093/Mnras/240.4.881  0.318
1987 Winget DE, Hansen CJ, Liebert J, van Horn HM, Fontaine G, Nather RE, Kepler SO, Lamb DQ. An independent method for determining the age of the universe The Astrophysical Journal. 315: L77. DOI: 10.1086/184864  0.421
1985 Winget DE, Kepler SO, Robinson EL, Nather RE, Ódonoghue D. A measurement of secular evolution in the pre-white dwarf star PG 1159-035. The Astrophysical Journal. 292: 606-613. DOI: 10.1086/163193  0.686
1984 Kepler SO. The ZZ Ceti star GD 385 revisited. The Astrophysical Journal. 278: 754-760. DOI: 10.1086/161845  0.561
1983 Wills BJ, Pollock JT, Aller HD, Aller MF, Balonek TJ, Barvainis RE, Binzel RP, Chaffee FH, Dent WA, Douglas JN, Fanti C, Garrett DB, Gregorini L, Henry RBC, Hill RE, ... ... Kepler SO, et al. The QSO 1156+295 - A multifrequency study of recent activity The Astrophysical Journal. 274: 62-85. DOI: 10.1086/161426  0.397
1983 Kepler SO, Robinson EL, Nather RE. The light curve of the ZZ Ceti star G226-29 The Astrophysical Journal. 271: 744. DOI: 10.1086/161241  0.632
1983 Balachandran S, Robinson EL, Kepler SO. Erratum - A Definitive Ephemeris For The 71-Second Oscillations Of Dq-Herculis Publications of the Astronomical Society of the Pacific. 95: 1062. DOI: 10.1086/131287  0.506
1983 Balachandran S, Robinson EL, Kepler SO. A definitive ephemeris for the 71-second oscillations of DQ Herculis. Publications of the Astronomical Society of the Pacific. 95: 653-655. DOI: 10.1086/131234  0.537
1982 Robinson EL, Kepler SO, Nather RE. Multicolor variations of the ZZ Ceti stars The Astrophysical Journal. 259: 219. DOI: 10.1086/160162  0.693
1982 Kepler SO, Nather RE, McGraw JT, Robinson EL. The pulsation periods of the pulsating white dwarf G117-B15A The Astrophysical Journal. 254: 676. DOI: 10.1086/159779  0.623
1982 Robinson EL, Nather RE, Kepler SO. Bt-Monocerotis - an Eclipsing Nova The Astrophysical Journal. 254: 646. DOI: 10.1086/159774  0.577
1980 Claria JJ, Kepler SO. Wide-And Narrow-Band Photometry Of Stars In A Field Around Collinder 135. Publications of the Astronomical Society of the Pacific. 92: 501-513. DOI: 10.1086/130702  0.444
1980 Robinson EL, Kepler SO. The ZZ ceti stars and the rate of evolution of white dwarfs Space Science Reviews. 27: 613-620. DOI: 10.1007/Bf00168357  0.691
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