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20022026
most citedDirect Imaging of Multiple Planets Orbiting the Star HR 8799

1.8k citations · 13.2k across the 170 of their papers we have counts for

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Showing 2009Show all

6 papers · 1 filter

astro-ph.EP2009★ 26 cited

Near Infrared Observations of GQ Lup b Using the Gemini Integral Field Spectrograph NIFS

Jean-Francois Lavigne, Rene Doyon, David Lafreniere +2

We present new JHK spectroscopy (R ~ 5000) of GQ Lup b, acquired with the near-infrared integral field spectrograph NIFS and the adaptive optics system ALTAIR at the Gemini North t…

astro-ph.SR2009★ 73 cited

Substellar Objects in Nearby Young Clusters (SONYC): The bottom of the Initial Mass Function in NGC1333

Alexander Scholz, Vincent Geers, Ray Jayawardhana +4

SONYC -- Substellar Objects in Nearby Young Clusters -- is a survey program to investigate the frequency and properties of substellar objects with masses down to a few times that o…

astro-ph.EP2009★ 23 cited

Imaging search for the unseen companion to Eps Ind A -- Improving the detection limits with 4 micron observations

M. Janson, D. Apai, M. Zechmeister +9

Eps Ind A is one of the nearest sun-like stars, located only 3.6 pc away. It is known to host a binary brown dwarf companion, Eps Ind Ba/Bb, at a large projected separation of 6.7"…

astro-ph.SR2009★ 265 cited

Photometric Variability of the T2.5 Brown Dwarf SIMP J013656.5+093347; Evidence for Evolving Weather Patterns

Étienne Artigau, Sandie Bouchard, René Doyon +1

We report the discovery of a photometric variability in the bright T2.5 brown dwarf SIMP J013656.5+093347. Continuous J-band photometry has been obtained for several hours on four…

astro-ph.SR2009★ 41 cited

Discovery of the Widest Very Low Mass Field Binary

Jacqueline Radigan, David Lafrenière, Ray Jayawardhana +1

We present the discovery of the widest (~6700 AU) very low mass field binary to date, found in a proper motion cross-match of the Sloan Digital Sky Survey and the Two Micron All Sk…

astro-ph.EP2009★ 137 cited

HST/NICMOS detection of HR 8799 b in 1998

David Lafrenière, Christian Marois, René Doyon +1

Three planets have been directly imaged around the young star HR 8799. The planets are 5-13 Mjup and orbit the star at projected separations of 24-68 AU. While the initial detectio…