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GQ Lup B Visible & Near-Infrared Photometric Analysis
C. Marois, B. Macintosh, T. Barman
We have re-analyzed archival HST and Subaru data of the recently discovered planetary mass companion (PMC) GQ Lup B. With these we produce the first R and I band photometry of the…
The Wide Brown Dwarf Binary Oph 1622-2405 and Discovery of A Wide, Low Mass Binary in Ophiuchus (Oph 1623-2402): A New Class of Young Evaporating Wide Binaries?
Laird M. Close, Ben Zuckerman, Inseok Song +10
We imaged five objects near the star forming clouds of Ophiuchus with the Keck Laser Guide Star AO system. We resolved Allers et al. (2006)'s #11 (Oph 16222-2405) and #16 (Oph 1623…
Exoplanet detection with simultaneous spectral differential imaging: effects of out-of-pupil-plane optical aberrations
Christian Marois, Don W. Phillion, Bruce Macintosh
Imaging faint companions (exoplanets and brown dwarfs) around nearby stars is currently limited by speckle noise. To efficiently attenuate this noise, a technique called simultaneo…
Accurate Astrometry and Photometry of Saturated and Coronagraphic Point Spread Functions
C. Marois, D. Lafreniere, B. Macintosh +1
Accurate astrometry and photometry of saturated and coronagraphic point spread functions (PSFs) are fundamental to both ground- and space-based high contrast imaging projects. For…