David H. Roberts, Ph.D. - Publications

Affiliations: 
2017 Physics Brandeis University, Waltham, MA, United States 

37 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
2018 Saripalli L, Roberts DH. What Are “X-shaped” Radio Sources Telling Us? II. Properties of a Sample of 87 The Astrophysical Journal. 852: 48. DOI: 10.3847/1538-4357/Aa9C4B  0.454
2018 Roberts DH, Saripalli L, Wang KX, Rao MS, Subrahmanyan R, KleinStern CC, Morii-Sciolla CY, Simpson L. What are “X-shaped” Radio Sources Telling Us? I. Very Large Array Imaging of a Large Sample of Candidate XRGs The Astrophysical Journal. 852: 47. DOI: 10.3847/1538-4357/Aa9C49  0.418
2008 Brown LF, Roberts DH, Wardle JFC. Parsec‐scale linear polarization structure of active galactic nuclei Testing the Agn Paradigm. 254: 419-422. DOI: 10.1063/1.42262  0.445
2003 Ojha R, Homan DC, Wardle JFC, Roberts DH. Proper motions, flux and polarization variability from a parsec scale blazar monitoring program New Astronomy Reviews. 47: 637-640. DOI: 10.1016/S1387-6473(03)00111-8  0.399
2002 Homan DC, Wardle JFC, Cheung CC, Roberts DH, Attridge JM. PKS 1510-089: A head-on view of a relativistic jet Astrophysical Journal. 580: 742-748. DOI: 10.1086/343894  0.348
2002 Homan DC, Ojha R, Wardle JFC, Roberts DH, Aller MF, Aller HD, Hughes PA. Parsec-scale blazar monitoring: Flux and polarization variability Astrophysical Journal. 568: 99-119. DOI: 10.1086/338701  0.432
2001 Homan DC, Ojha R, Wardle JFC, Roberts DH, Aller MF, Aller HD, Hughes PA. Parsec-scale blazar monitoring: Proper motions Astrophysical Journal. 549: 840-861. DOI: 10.1086/319466  0.306
1999 Attridge JM, Roberts DH, Wardle JFC. Radio Jet-Ambient Medium Interactions on Parsec Scales in the Blazar 1055+018 The Astrophysical Journal. 518. DOI: 10.1086/312078  0.365
1999 Gabuzda DC, Mioduszewski AJ, Roberts DH, Wardle JFC. The very long baseline interferometric polarization structure of 3C 345 at  =2.8 cm Monthly Notices of the Royal Astronomical Society. 303: 515-520. DOI: 10.1046/J.1365-8711.1999.02242.X  0.379
1998 Wardle JFC, Homan DC, Ojha R, Roberts DH. Electron-positron jets associated with the quasar 3C279 Nature. 395: 457-461. DOI: 10.1038/26675  0.337
1997 Udomprasert PS, Taylor GB, Pearson TJ, Roberts DH. Evidence for Ordered Magnetic Fields in the Quasar Environment The Astrophysical Journal. 483. DOI: 10.1086/310725  0.367
1997 Aaron S, Wardle J, Roberts D. A multi-frequency VLBA polarization study of 3C 309.1 Vistas in Astronomy. 41: 225-229. DOI: 10.1016/S0083-6656(97)00010-X  0.69
1996 Moellenbrock GA, Fujisawa K, Preston RA, Gurvits LI, Dewey RJ, Hirabayashi H, Inoue M, Kameno S, Kawaguchi M, Iwata T, Jauncey DL, Migenes V, Roberts DH, Schilizzi RT, Tingay SJ. A 22 GHz VLBI survey of 140 compact extragalactic radio sources Astronomical Journal. 111: 2174-2186. DOI: 10.1086/117953  0.659
1994 Wardle JFC, Cawthorne TV, Roberts DH, Brown LF. Interpretation of VLBI kinematic and polarization data: Application to 3C 345 The Astrophysical Journal. 437: 122. DOI: 10.1086/174980  0.338
1994 Brown LF, Roberts DH, Wardle JFC. Evolution of the parsec-scale linear polarization structure of the superluminal quasar 3C 345 The Astrophysical Journal. 437: 108. DOI: 10.1086/174979  0.358
1994 Gabuzda DC, Mullan CM, Cawthorne TV, Wardle JFC, Roberts DH. Evolution of the milliarcsecond total intensity and polarization structures of BL Lacertae objects The Astrophysical Journal. 435: 140. DOI: 10.1086/174801  0.374
1994 Roberts DH, Wardle JFC, Brown LF. Linear polarization radio imaging at milliarcsecond resolution The Astrophysical Journal. 427: 718. DOI: 10.1086/174180  0.376
1993 Cawthorne TV, Wardle JFC, Roberts DH, Gabuzda DC, Brown LF. Milliarcsecond Polarization Structure of 24 Objects from the Pearson-Readhead Sample of Bright Extragalactic Radio Sources. I. The Images The Astrophysical Journal. 416: 496. DOI: 10.1086/173253  0.505
1993 Gabuzda DC, Kollgaard RI, Roberts DH, Wardle JFC. Is 1308+326 A BL Lacertae object or a quasar? The Astrophysical Journal. 410: 39. DOI: 10.1086/172722  0.442
1992 Gabuzda DC, Cawthorne TV, Roberts DH, Wardle JFC. A survey of the milliarcsecond polarization properties of BL Lacertae objects at 5 GHz The Astrophysical Journal. 388: 40. DOI: 10.1086/171128  0.459
1992 Kollgaard RI, Wardle JFC, Roberts DH, Gabuzda DC. Radio constraints on the nature of BL Lacertae objects and their parent population The Astronomical Journal. 104: 1687. DOI: 10.1086/116352  0.435
1991 Roberts DH, Lehar J, Hewitt JN, Burke BF. The Hubble constant from VLA measurement of the time delay in the double quasar 0957+561 Nature. 352: 43-45. DOI: 10.1038/352043A0  0.306
1990 Roberts DH, Kollgaard RI, Brown LF, Gabuzda DC, Wardle JFC. Milliarcsecond polarization structure of the superluminal quasar 3C 273 The Astrophysical Journal. 360: 408. DOI: 10.1086/169131  0.399
1990 Linfield RP, Levy GS, Edwards CD, Ulvestad JS, Ottenhoff CH, Hirabayashi H, Morimoto M, Inoue M, Jauncey DL, Reynolds J, Nishimura T, Hayashi T, Takano T, Yamada T, Barrett JW, ... ... Roberts DH, et al. 15 GHz space VLBI observations using an antenna on a TDRSS satellite Astrophysical Journal. 358: 350-358. DOI: 10.1086/168992  0.36
1989 Gabuzda DC, Wardle JFC, Roberts DH. Superluminal motion in the BL Lacertae object OJ 287 The Astrophysical Journal. 336: L59. DOI: 10.1086/185361  0.353
1989 Gabuzda DC, Cawthorne TV, Roberts DH, Wardle JFC. The milliarcsecond polarization structure of six BL Lacertae objects The Astrophysical Journal. 347: 701. DOI: 10.1086/168162  0.422
1989 Kollgaard RI, Wardle JFC, Roberts DH. High-dynamic-range VLA observations of the quasar 3C 345 The Astronomical Journal. 97: 1550. DOI: 10.1086/115095  0.439
1989 Brown LF, Roberts DH, Wardle JFC. Global fringe fitting for polarization VLBI. The Astronomical Journal. 97: 1522-1531. DOI: 10.1086/115091  0.36
1989 Levy GS, Linfield RP, Edwards CD, Di Nardo SJ, Ulvestad JS, Jordan JF, Skjerve L, Stavert LR, Preston RA, Christensen CS, Renzetti NA, Burke BF, Barrett JW, Whitney A, Cappallo RJ, ... ... Roberts DH, et al. Orbiting very long baseline interferometry (OVLBI) observations using the tracking and data relay satellite system (TDRSS) at 2.3 and 15 GHz Acta Astronautica. 19: 597-602. DOI: 10.1016/0094-5765(89)90129-X  0.39
1987 Gabuzda DC, Wardle JFC, Roberts DH. Linear Polarization Structure of the BL Lacertae Object 0735+178 at Milliarcsecond Resolution The Astrophysical Journal. 323: 536-542. DOI: 10.1086/167232  0.375
1986 Wardle JFC, Roberts DH, Potash RI, Rogers AEE. The linear polarization of 3C 345 at milliarcsecond resolution The Astrophysical Journal. 304: L1. DOI: 10.1086/184658  0.379
1986 Dreher JW, Roberts DH, Lehár J. Very large array observations of rapid non-periodic variations in OJ 287 Nature. 320: 239-242. DOI: 10.1038/320239A0  0.398
1985 Greenfield PE, Roberts DH, Burke BF. The gravitationally lensed quasar 0957+561 : VLA observations and mass models. The Astrophysical Journal. 293: 370-386. DOI: 10.1086/163243  0.38
1985 Roberts DH, Greenfield PE, Hewitt JN, Burke BF, Dupree AK. The multiple images of the quasar 0957+561 The Astrophysical Journal. 293: 356-369. DOI: 10.1086/163242  0.325
1980 Greenfield PE, Burke BF, Roberts DH. The double quasar 0957+561 as a gravitational lens: Further VLA observations Nature. 286: 865-866. DOI: 10.1038/286865B0  0.384
1976 Roberts DH. The luminosity distribution and total space density of pulsars The Astrophysical Journal. 205. DOI: 10.1086/182083  0.301
1976 O'Dell SL, Roberts DH. Comments on 'The composite Hubble diagram' The Astrophysical Journal. 210: 294-298. DOI: 10.1086/154831  0.339
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