J
James R. Graham
Researcher at University of California, Berkeley
Publications - 388
Citations - 22526
James R. Graham is an academic researcher from University of California, Berkeley. The author has contributed to research in topics: Galaxy & Stars. The author has an hindex of 81, co-authored 380 publications receiving 21488 citations. Previous affiliations of James R. Graham include UCB & Space Telescope Science Institute.
Papers
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Journal ArticleDOI
Bringing "The Moth" to Light: A Planet-Sculpting Scenario for the HD 61005 Debris Disk
Thomas M. Esposito,Thomas M. Esposito,Michael P. Fitzgerald,James R. Graham,Paul Kalas,Paul Kalas,Eve J. Lee,Eugene Chiang,Gaspard Duchêne,Gaspard Duchêne,Jason J. Wang,Maxwell A. Millar-Blanchaer,Eric L. Nielsen,Eric L. Nielsen,S. Mark Ammons,Sebastian Bruzzone,Robert J. De Rosa,Zachary H. Draper,Zachary H. Draper,Bruce Macintosh,Franck Marchis,Stanimir Metchev,Stanimir Metchev,Marshall D. Perrin,Laurent Pueyo,Abhijith Rajan,Fredrik T. Rantakyrö,David Vega,Schuyler Wolff +28 more
TL;DR: In this paper, the authors demonstrate the plausibility of a scenario in which the disk material is shaped dynamically by an eccentric, inclined planet and show that a disk parent body population with a semimajor axis of 40-52 AU and an interior planet with an eccentricity of at least 0.2.
Journal ArticleDOI
The VAST Survey - II. Orbital motion monitoring of A-type star multiples
R. J. De Rosa,J. Patience,Arthur Vigan,Paul Wilson,Adam C. Schneider,Nicholas J. McConnell,Sloane Wiktorowicz,Christian Marois,Inseok Song,Bruce Macintosh,James R. Graham,Michael S. Bessell,René Doyon,Olivier Lai +13 more
TL;DR: In this article, a volume-limited A-Star (VAST) adaptive optics survey is presented, which includes 26 binary systems with projected separations <100 AU, 13 of which have sufficient historical measurements to allow for refinem ent of their orbital elements.
Journal ArticleDOI
The Mid-Infrared Radio Correlation at High Angular Resolution: NGC 253
Eric Keto,Roger Ball,John F. Arens,G. Jernigan,Margaret Meixner,C. J. Skinner,James R. Graham +6 more
TL;DR: In this article, the authors presented high angular resolution (1″) images of the nucleus of NGC 253 at three wavelengths in the mid-infrared (8.5, 10.0, and 12.5 μm).
Proceedings ArticleDOI
Gemini Planet Imager Observational Calibrations VII: On-Sky Polarimetric Performance of the Gemini Planet Imager
Sloane J. Wiktorowicz,Max Millar-Blanchaer,Marshall D. Perrin,James R. Graham,Michael P. Fitzgerald,Jérôme Maire,Patrick Ingraham,Dmitry Savransky,Bruce Macintosh,Sandrine Thomas,Jeffrey Chilcote,Zachary H. Draper,Inseok Song,Andrew Cardwell,Stephen J. Goodsell,Markus Hartung,Pascale Hibon,Fredrik T. Rantakyrö,Naru Sadakuni,Gpi Team +19 more
TL;DR: In this paper, the Gemini Planet Imager (GPI) was used for on-sky polarimetric observations with the straight Cassegrain focus on the Gemini South 8-m telescope.
Journal ArticleDOI
Velocity-resolved images of molecular hydrogen in the colliding galaxy NGC 6240 - Evidence of a global shock
TL;DR: In this article, images of the nuclear region of NGC 6240 taken in the 2.122 micron, v = 1-0 S(1) quadrupole line of molecular hydrogen demonstrate that the line emission is extended and distinct from the two nuclei producing most of the continuum emission.