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- California Institute of TechnologyUS704 papers
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18 papers · 2 filters
Pre-discovery Activity of New Interstellar Comet 2I/Borisov Beyond 5 AU
Quanzhi Ye, Michael S. P. Kelley, Bryce T. Bolin +15
Comet 2I/Borisov, the first unambiguous interstellar comet ever found, was discovered in August 2019 at au from the Sun on its inbound leg. No pre-discovery detection beyon…
OGLE-2013-BLG-0911Lb: A Secondary on the Brown-Dwarf Planet Boundary around an M-dwarf
Shota Miyazaki, Takahiro Sumi, David P. Bennett +92
We present the analysis of the binary-lens microlensing event OGLE-2013-BLG-0911. The best-fit solutions indicate the binary mass ratio of q~0.03 which differs from that reported i…
A Twilight Search for Atiras, Vatiras and Co-orbital Asteroids: Preliminary Results
Quanzhi Ye, Frank J. Masci, Wing-Huen Ip +12
Near-Earth Objects (NEOs) that orbit the Sun on or within Earth's orbit are tricky to detect for Earth-based observers due to their proximity to the Sun in the sky. These small bod…
The Young Suns Exoplanet Survey: Detection of a wide orbit planetary mass companion to a solar-type Sco-Cen member
A. J. Bohn, M. A. Kenworthy, C. Ginski +9
The Young Suns Exoplanet Survey (YSES) consists of a homogeneous sample of 70 young, solar-mass stars located in the Lower Centaurus-Crux subgroup of the Scorpius-Centaurus associa…
Cloud Atlas: Weak color modulations due to rotation in the planetary-mass companion GU Psc b and 11 other brown dwarfs
Ben W. P. Lew, Dániel Apai, Yifan Zhou +10
Among the greatest challenges in understanding ultra-cool brown dwarf and exoplanet atmospheres is the evolution of cloud structure as a function of temperature and gravity. In thi…
: Planet or Noise?
Jacob Golomb, Graça Rocha, Tiffany Meshkat +5
The work presented here attempts at answering the question: how do we decide when a given adetection is a planet or just residual noise in exoplanet direct imaging data? To this en…