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Sub-stellar Companions and Stellar Multiplicity in the Taurus Star-Forming Region
Sebastian Daemgen, Mariangela Bonavita, Ray Jayawardhana +2
We present results from a large, high-spatial-resolution near-infrared imaging search for stellar and sub-stellar companions in the Taurus-Auriga star-forming region. The sample co…
Ground-Based Transit Observations of the Super-Earth 55 Cnc e
E. J. W. de Mooij, M. Lopez-Morales, R. Karjalainen +2
We report the first ground-based detections of the shallow transit of the super-Earth exoplanet 55 Cnc e using a 2-meter-class telescope. Using differential spectrophotometry, we o…
Near-infrared Thermal Emission Detections of a number of hot Jupiters and the Systematics of Ground-based Near-infrared Photometry
Bryce Croll, Loic Albert, Ray Jayawardhana +7
We present detections of the near-infrared thermal emission of three hot Jupiters and one brown-dwarf using the Wide-field Infrared Camera (WIRCam) on the Canada-France-Hawaii Tele…
Deep Thermal Infrared Imaging of HR 8799 bcde: New Atmospheric Constraints and Limits on a Fifth Planet
Thayne Currie, Adam Burrows, Julien H. Girard +10
We present new (3.8 ) and Br- (4.05 ) data and reprocessed archival data for the young, planet-hosting star HR 8799 obtained with Keck/NIRC2, VLT/N…
A Deep Spitzer Survey of Circumstellar Disks in the Young Double Cluster, h and chi Persei
Ryan Cloutier, Thayne Currie, George Rieke +3
We analyze very deep IRAC and MIPS photometry of 12,500 members of the 14 Myr old Double Cluster, h and Persei, building upon on our earlier, shallower Spitzer studies (…
The disk around the brown dwarf KPNO Tau 3
Hannah Broekhoven-Fiene, Brenda Matthews, Gaspard Duchene +4
We present submillimeter observations of the young brown dwarfs KPNO Tau 1, KPNO Tau 3, and KPNO Tau 6 at 450 micron and 850 micron taken with the Submillimeter Common-User Bolomet…