| Year |
Citation |
Score |
| 2020 |
Lehmer BD, Ferrell AP, Doore K, Eufrasio RT, Monson EB, Alexander DM, Basu-Zych A, Brandt WN, Sivakoff GR, Tzanavaris P, Yukita M, Fragos T, Ptak A. X-ray Binary Luminosity Function Scaling Relations in Elliptical Galaxies: Evidence for Globular Cluster Seeding of Low-Mass X-ray Binaries in Galactic Fields Astrophysical Journal Supplement Series. 248: 31. DOI: 10.3847/1538-4365/Ab9175 |
0.396 |
|
| 2019 |
Dal Canton T, Mangiagli A, Noble SC, Schnittman J, Ptak A, Klein A, Sesana A, Camp J. Detectability of Modulated X-Rays from LISA’s Supermassive Black Hole Mergers The Astrophysical Journal. 886: 146. DOI: 10.3847/1538-4357/Ab505A |
0.502 |
|
| 2019 |
Brightman M, Harrison FA, Bachetti M, Xu Y, Fürst F, Walton DJ, Ptak A, Yukita M, Zezas A. A ∼60 day Super-orbital Period Originating from the Ultraluminous X-Ray Pulsar in M82 The Astrophysical Journal. 873: 115. DOI: 10.3847/1538-4357/Ab0215 |
0.486 |
|
| 2019 |
Younes G, Ptak A, Ho LC, Xie F, Terasima Y, Yuan F, Huppenkothen D, Yukita M. NuStar Hard X-Ray View of Low-Luminosity Active Galactic Nuclei: High-Energy Cutoff and Truncated Thin Disk The Astrophysical Journal. 870: 73. DOI: 10.3847/1538-4357/Aaf38B |
0.481 |
|
| 2016 |
Maccarone TJ, Yukita M, Hornschemeier A, Lehmer BD, Antoniou V, Ptak A, Wik DR, Zezas A, Boyd P, Kennea J, Page KL, Eracleous M, Williams BF, Boggs SE, Christensen FE, et al. Demonstrating the likely neutron star nature of five M31 globular cluster sources with Swift-NuSTAR spectroscopy Monthly Notices of the Royal Astronomical Society. 458: 3633-3643. DOI: 10.1093/Mnras/Stw530 |
0.512 |
|
| 2015 |
Camp J, Barthelmy S, Petre R, Gehrels N, Marshall F, Ptak A, Racusin J. ISS-Lobster: A low-cost wide-field x-ray transient detector on the ISS Proceedings of Spie - the International Society For Optical Engineering. 9510. DOI: 10.1117/12.2176745 |
0.453 |
|
| 2014 |
Venters T, Wik D, Lehmer B, Yukita M, Hornschemeier A, Ptak A, Zezas A, Bechtol K, Argo M, Antoniou V, Harrison F, Krivonos R, Leyder J, Maccarone T, Stern D, et al. Broadband Spectral Modeling of NGC 253 from Hard X-rays to TeV Gamma Rays Bulletin of the American Physical Society. 2014. DOI: 10.1103/Baps.2014.April.C9.3 |
0.481 |
|
| 2014 |
Maccarone TJ, Lehmer BD, Leyder JC, Antoniou V, Hornschemeier A, Ptak A, Wik D, Zezas A. A new candidate Wolf-Rayet X-ray binary in NGC 253 Monthly Notices of the Royal Astronomical Society. 439: 3064-3072. DOI: 10.1093/Mnras/Stu167 |
0.523 |
|
| 2013 |
Bookbinder J, Petre R, Ptak A, Smith RK. The AXSIO mission and its technologies Proceedings of Spie - the International Society For Optical Engineering. 8859. DOI: 10.1117/12.2024583 |
0.467 |
|
| 2013 |
Ptak A, Bandler SR, Bookbinder J, Kelley RL, Petre R, Smith RK, Smith S. Designing the X-ray microcalorimeter spectrometer for optimal science return Proceedings of Spie - the International Society For Optical Engineering. 8859. DOI: 10.1117/12.2024423 |
0.466 |
|
| 2013 |
Lamassa SM, Heckman TM, Ptak A, Urry CM. On the star formation-AGN connection at z ≲ 0.3 Astrophysical Journal Letters. 765. DOI: 10.1088/2041-8205/765/2/L33 |
0.33 |
|
| 2013 |
Jia J, Ptak A, Heckman T, Zakamska NL. An archival chandra and XMM-newton survey of type 2 quasars Astrophysical Journal. 777. DOI: 10.1088/0004-637X/777/1/27 |
0.487 |
|
| 2012 |
Bookbinder J, Smith RK, Bandler S, Garcia M, Hornschemeier A, Petre R, Ptak A. The Advanced X-ray Spectroscopy and Imaging Observatory (AXSIO) Proceedings of Spie - the International Society For Optical Engineering. 8443. DOI: 10.1117/12.927309 |
0.478 |
|
| 2012 |
Smith RK, Bookbinder J, Garcia M, Hornschemeier A, Petre R, Ptak A. Science metrics for a NASA large optic x-ray microcalorimeter mission Proceedings of Spie - the International Society For Optical Engineering. 8443. DOI: 10.1117/12.926534 |
0.435 |
|
| 2012 |
Jia J, Ptak A, Heckman TM, Braito V, Reeves J. A Chandra observation of the ultraluminous infrared galaxy IRAS 19254-7245 (The Superantennae): X-ray emission from the Compton-thick active galactic nucleus and the diffuse starburst Astrophysical Journal. 759. DOI: 10.1088/0004-637X/759/1/41 |
0.392 |
|
| 2012 |
Lamassa SM, Heckman TM, Ptak A. Disentangling agn and star formation in soft X-rays Astrophysical Journal. 758. DOI: 10.1088/0004-637X/758/2/82 |
0.461 |
|
| 2012 |
Lamassa SM, Heckman TM, Ptak A, Schiminovich D, O'Dowd M, Bertincourt B. Exploring the connection between star formation and active galactic nucleus activity in the local universe Astrophysical Journal. 758. DOI: 10.1088/0004-637X/758/1/1 |
0.342 |
|
| 2011 |
Koglin JE, An H, Barrière N, Brejnholt NF, Christensen FE, Craig WW, Hailey CJ, Jakobsen AC, Madsen KK, Mori K, Nynka M, Fernandez-Perea M, Pivovaroff MJ, Ptak A, Sleator C, et al. First results from the ground calibration of the NuSTAR flight optics Proceedings of Spie - the International Society For Optical Engineering. 8147. DOI: 10.1117/12.895279 |
0.325 |
|
| 2011 |
Jia J, Ptak A, Heckman TM, Overzier RA, Hornschemeier A, Lamassa SM. Evidence for black hole growth in local analogs to Lyman break galaxies Astrophysical Journal. 731. DOI: 10.1088/0004-637X/731/1/55 |
0.543 |
|
| 2011 |
Lamassa SM, Heckman TM, Ptak A, Martins L, Wild V, Sonnentrucker P, Hornschemeier A. Uncovering obscured active galactic nuclei in homogeneously selected samples of seyfert 2 galaxies Astrophysical Journal. 729. DOI: 10.1088/0004-637X/729/1/52 |
0.403 |
|
| 2010 |
Lamassa SM, Heckman TM, Ptak A, Martins L, Wild V, Sonnentrucker P. Indicators of intrinsic active galactic nucleus luminosity: A multi-wavelength approach Astrophysical Journal. 720: 786-810. DOI: 10.1088/0004-637X/720/1/786 |
0.402 |
|
| 2009 |
Lamassa SM, Heckman TM, Ptak A, Hornschemeier A, Martins L, Sonnentrucker P, Tremonti C. XMM-Newton observations of a complete sample of optically selected type 2 seyfert galaxies Astrophysical Journal. 705: 568-586. DOI: 10.1088/0004-637X/705/1/568 |
0.56 |
|
| 2009 |
Richards GT, Deo RP, Lacy M, Myers AD, Nichol RC, Zakamska NL, Brunner RJ, Brandt WN, Gray AG, Parejko JK, Ptak A, Schneider DP, Storrie-Lombardi LJ, Szalay AS. Eight-dimensional mid-infrared/optical Bayesian quasar selection Astronomical Journal. 137: 3884-3899. DOI: 10.1088/0004-6256/137/4/3884 |
0.346 |
|
| 2008 |
Murray SS, Norman C, Ptak A, Giacconi R, Weisskopf M, Ramsey B, Bautz M, Vikhliniin A, Brandt N, Rosati P, Weaver H, Allen S, Flanagan K. Wide field x-ray telescope mission Proceedings of Spie - the International Society For Optical Engineering. 7011. DOI: 10.1117/12.789122 |
0.516 |
|
| 2008 |
Awaki H, Anabuki N, Fukazawa Y, Gallo LC, Ikeda S, Isobe N, Itoh T, Kunieda H, Makishima K, Markowitz A, Miniutti G, Mizuno T, Okajima T, Ptak A, Reeves JN, et al. Wide-Band Spectroscopy of the Compton Thick Seyfert2 Galaxy Markarian 3 with Suzaku Publications of the Astronomical Society of Japan. 60. DOI: 10.1093/Pasj/60.Sp1.S293 |
0.419 |
|
| 2008 |
Ptak A. Wide area X-ray surveys for AGN and starburst galaxies Aip Conference Proceedings. 1082: 104-110. DOI: 10.1063/1.3059018 |
0.458 |
|
| 2007 |
Ptak A, Yaqoob T, Murphy K. Precision Fe Kalpha and Fe Kbeta Line Spectroscopy of the Seyfert 1.9 Galaxy NGC 2992 with Suzaku Progress of Theoretical Physics Supplement. 169: 252-255. DOI: 10.1143/Ptps.169.252 |
0.356 |
|
| 2007 |
Yaqoob T, Murphy KD, Griffiths RE, Haba Y, Inoue H, Itoh T, Kelley R, Kokubun M, Markowitz A, Mushotzky R, Okajima T, Ptak A, Reeves J, Serlemitsos PJ, Takahashi T, et al. Precision Fe Kα and Fe Kβ line spectroscopy of the Seyfert 1.9 galaxy NGC 2992 with Suzaku Publications of the Astronomical Society of Japan. 59. DOI: 10.1093/Pasj/59.Sp1.S283 |
0.377 |
|
| 2007 |
Tsuru TG, Ozawa M, Hyodo Y, Matsumoto H, Koyama K, Awaki H, Fujimoto R, Griffiths R, Kilbourne C, Matsushita K, Mitsuda K, Ptak A, Ranalli P, Yamasaki NY. X-Ray Spectral Study of the Extended Emission, ‘the Cap’, Located 11.6 kpc above the Disk of M82 Publications of the Astronomical Society of Japan. 59: 269-282. DOI: 10.1093/Pasj/59.Sp1.S269 |
0.457 |
|
| 2007 |
Ishisaki Y, Maeda Y, Fujimoto R, Ozaki M, Ebisawa K, Takahashi T, Ueda Y, Ogasaka Y, Ptak A, Mukai K, Hamaguchi K, Hirayama M, Kotani T, Kubo H, Shibata R, et al. Monte Carlo Simulator and Ancillary Response Generator of Suzaku XRT/XIS System for Spatially Extended Source Analysis Publications of the Astronomical Society of Japan. 59: 113-132. DOI: 10.1093/Pasj/59.Sp1.S113 |
0.355 |
|
| 2007 |
Ptak A, Mobasher B, Hornschemeier A, Bauer F, Norman C. X-ray luminosity functions of normal galaxies in the great observatories origins deep survey Astrophysical Journal. 667: 826-858. DOI: 10.1086/520824 |
0.475 |
|
| 2006 |
Ptak A, Colbert E, Van Der Marel RP, Roye E, Heckman T, Towne B. Optical counterparts of ultraluminous X-ray sources identified from archival HST WFPC2 images Astrophysical Journal, Supplement Series. 166: 154-187. DOI: 10.1086/505218 |
0.507 |
|
| 2006 |
Ptak A, Zakamska NL, Strauss MA, Krolik JH, Heckman TM, Schneider DP, Brinkmann J. Type II quasars from the Sloan digital sky survey. IV. Chandra and XMM-Newton observations reveal heavily absorbed sources Astrophysical Journal. 637: 147-156. DOI: 10.1086/498233 |
0.446 |
|
| 2005 |
Heckman TM, Ptak A, Hornschemeier A, Kauffmann G. The relationship of hard x-ray and optical line emission in low-redshift active galactic nuclei Astrophysical Journal. 634: 161-168. DOI: 10.1086/491665 |
0.466 |
|
| 2005 |
Grimes JP, Heckman T, Strickland D, Ptak A. A chandra X-ray investigation of the violent interstellar medium: From dwarf starbursts to ultraluminous infrared galaxies Astrophysical Journal. 628: 187-204. DOI: 10.1086/430692 |
0.474 |
|
| 2004 |
Ptak A, Colbert E. The statistical properties of galaxies containing ultraluminous X-ray objects Astrophysical Journal. 606: 291-295. DOI: 10.1086/382998 |
0.472 |
|
| 2004 |
Ptak A, Terashima Y, Ho LC, Quataert E. Testing radiatively inefficient accretion flow theory: An XMM-Newton observation of NGC 3998 Astrophysical Journal. 606: 173-184. DOI: 10.1086/382940 |
0.475 |
|
| 2004 |
Colbert EJM, Heckman TM, Ptak AF, Strickland DK, Weaver KA. Old and young X-ray point source populations in nearby galaxies Astrophysical Journal. 602: 231-248. DOI: 10.1086/380899 |
0.465 |
|
| 2003 |
Ptak A, Heckman T, Levenson NA, Weaver K, Strickland D. A Chandra survey of the nearest ultraluminous infrared galaxies: Obscured active galactic nuclei or superstarbursts? Astrophysical Journal. 592: 782-803. DOI: 10.1086/375766 |
0.508 |
|
| 2002 |
Colbert EJM, Ptak AF. A catalog of candidate intermediate-luminosity x-ray objects Astrophysical Journal, Supplement Series. 143: 25-45. DOI: 10.1086/342507 |
0.399 |
|
| 2002 |
Terashima Y, Iyomoto N, Ho LC, Ptak AF. X-ray properties of LINERs and low-luminosity Seyfert galaxies observed with ASCA. I. Observations and results Astrophysical Journal, Supplement Series. 139: 1-36. DOI: 10.1086/324373 |
0.458 |
|
| 2001 |
Ptak A, Griffiths R, White N, Ghosh P. The Consequences of the Cosmic Star Formation Rate: X-Ray Number Counts Astrophysical Journal. 559. DOI: 10.1086/323893 |
0.467 |
|
| 2000 |
Terashima Y, Ho LC, Ptak AF. Hard X-ray emission and the ionizing source in liners Astrophysical Journal. 539: 161-165. DOI: 10.1086/309234 |
0.487 |
|
| 1999 |
Ptak A, Serlemitsos P, Yaqoob T, Mushotzky R. X-ray constraints on accretion and starburst processes in galactic nuclei. I. Spectral results Astrophysical Journal, Supplement Series. 120: 179-208. DOI: 10.1086/313179 |
0.38 |
|
| 1999 |
Ho LC, Ptak A, Terashima Y, Kunieda H, Serlemitsos PJ, Yaqoob T, Koratkar AP. X-ray properties of the weak seyfert 1 nucleus in NGC 4639 Astrophysical Journal. 525: 168-175. |
0.481 |
|
| 1999 |
Ptak A, Griffiths R. Hard X-ray variability in M82: Evidence for a nascent active galactic nucleus? Astrophysical Journal. 517. |
0.423 |
|
| 1998 |
Yaqoob T, George IM, Turner TJ, Nandra K, Ptak A, Serlemitsos PJ. A peculiar emission-line feature in the X-ray spectrum of the quasar PKS 0637-752 Astrophysical Journal. 505. |
0.359 |
|
| 1997 |
Tsuru TG, Awaki H, Koyama K, Ptak A. Wide-band X-ray spectra and images of the starburst galaxy M82 Publications of the Astronomical Society of Japan. 49: 619-629. |
0.448 |
|
| 1997 |
Ptak A, Serlemitsos P, Yaqoob T, Mushotzky R, Tsuru T. The complex x-ray spectra of M82 and NGC 253 Astronomical Journal. 113: 1286-1295. |
0.345 |
|
| 1997 |
Yaqoob T, Mckernan B, Ptak A, Nandra K, Serlemitsos PJ. A simple new method for analyzing gapped time series: Search for a high-frequency cutoff in the X-ray power spectrum of the seyfert galaxy MCG -6-30-15 Astrophysical Journal. 490. |
0.372 |
|
| 1996 |
Ptak A, Yaqoob T, Serlemitsos PJ, Kunieda H, Terashima Y. The nature of the low-luminosity active galactic nuclei in NGC 3147 Astrophysical Journal. 459: 542-546. |
0.496 |
|
| 1995 |
Yaqoob T, Serlemitsos PJ, Ptak A, Mushotzky R, Kunieda H, Terashima Y. The hard X-ray emission of NGC 3628 and the contribution of low-luminosity spiral galaxies to the cosmic X-ray background Astrophysical Journal. 455: 508-515. |
0.504 |
|
| 1994 |
Ptak A, Yaqoob T, Serlemitsos PJ, Mushotzky R, Otani C. Rapid X-ray spectral variability in NGC 3227 Astrophysical Journal. 436. |
0.383 |
|
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