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Exoplanet Characterization and the Search for Life
J. Kasting, W. Traub, A. Roberge +119
Over 300 extrasolar planets (exoplanets) have been detected orbiting nearby stars. We now hope to conduct a census of all planets around nearby stars and to characterize their atmo…
Pre-Discovery 2007 Image of the HR 8799 Planetary System
Stanimir Metchev, Christian Marois, B. Zuckerman
We present a pre-discovery H-band image of the HR 8799 planetary system that reveals all three planets in August 2007. The data were obtained with the Keck adaptive optics system,…
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…
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…