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Confirmation of Color Dependent Centroid Shift Measured After 1.8 years with HST
Aparna Bhattacharya, David Bennett, Jean Philippe Beaulieu +10
We measured precise masses of the host and planet in OGLE-2003-BLG-235 system, when the lens and source were resolving, with 2018 Keck high resolution images. This measurement is i…
Adaptive Optics Imaging Breaks the Central Caustic Cusp Approach Degeneracy in High Magnification Microlensing Events
Sean K. Terry, David P. Bennett, Aparna Bhattacharya +10
We report new results for the gravitational microlensing target OGLE-2011-BLG-0950 from adaptive optics (AO) images using the Keck observatory. The original analysis by Choi et al.…
MOA-2007-BLG-400 A Super-Jupiter Mass Planet Orbiting a Galactic BulgeK-dwarf Revealed by Keck Adaptive Optics Imaging
Aparna Bhattacharya, David P. Bennett, Jean P. Beaulieu +11
We present Keck/NIRC2 adaptive optics imaging of planetary microlensing event MOA-2007-BLG-400 that resolves the lens star system from the source. We find that the MOA-2007-BLG-400…
MOA-2009-BLG-319Lb: A Sub-Saturn Planet Inside the Predicted Mass Desert
Sean K. Terry, Aparna Bhattacharya, David P. Bennett +10
We present an adaptive optics (AO) analysis of images from the Keck-II telescope NIRC2 instrument of the planetary microlensing event MOA-2009-BLG-319. The 10 year baseline b…
Keck Observations Confirm a Super-Jupiter Planet Orbiting M-dwarf OGLE-2005-BLG-071L
David P. Bennett, Aparna Bhattacharya, Jean-Philippe Beaulieu +10
We present adaptive optics imaging from the NIRC2 instrument on the Keck-2 telescope that resolves the exoplanet host (and lens) star as it separates from the brighter source star.…
Planets Around Low-Mass Stars (PALMS). VI. Discovery of a Remarkably Red Planetary-Mass Companion to the AB Dor Moving Group Candidate 2MASS J22362452+4751425
Brendan Bowler, Michael Liu, Dimitri Mawet +11
We report the discovery of an extremely red planetary-mass companion to 2MASS J22362452+4751425, a 0.6 late-K dwarf likely belonging to the 120 Myr AB Do…