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Near-Infrared Multi-Band Photometry of the Substellar Companion GJ 758 B
M. Janson, J. Carson, C. Thalmann +46
GJ 758 B is a cold (~600K) companion to a Sun-like star at 29 AU projected separation, which was recently detected with high-contrast imaging. Here we present photometry of the com…
Direct Imaging of Bridged Twin Protoplanetary Disks in a Young Multiple Star
Satoshi Mayama, Motohide Tamura, Tomoyuki Hanawa +10
Studies of the structure and evolution of protoplanetary disks are important for understanding star and planet formation. Here, we present the direct image of an interacting binary…
Imaging of a Transitional Disk Gap in Reflected Light: Indications of Planet Formation Around the Young Solar Analog LkCa 15
C. Thalmann, C. A. Grady, M. Goto +47
We present H- and Ks-band imaging data resolving the gap in the transitional disk around LkCa 15, revealing the surrounding nebulosity. We detect sharp elliptical contours delimiti…
Search for Outer Massive Bodies around Transiting Planetary Systems: Candidates of Faint Stellar Companions around HAT-P-7
Norio Narita, Tomoyuki Kudo, Carolina Bergfors +46
We present results of direct imaging observations for HAT-P-7 taken with the Subaru HiCIAO and the Calar Alto AstraLux. Since the close-in transiting planet HAT-P-7b was reported t…
Forty seven new T dwarfs from the UKIDSS Large Area Survey
Ben Burningham, D. J. Pinfield, P. W. Lucas +16
We report the discovery of 47 new T dwarfs in the Fourth Data Release (DR4) from the Large Area Survey (LAS) of the UKIRT Infrared Deep Sky Survey with spectral types ranging from…