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Ground-based Transit Observation of the Habitable-zone Super-Earth K2-3d
Akihiko Fukui, John Livingston, Norio Narita +4
We report the first ground-based transit observation of K2-3d, a 1.5 R_Earth planet supposedly within the habitable zone around a bright M-dwarf host star, using the Okayama 188 cm…
EPIC 219388192 b - an inhabitant of the brown dwarf desert in the Ruprecht 147 open cluster
Grzegorz Nowak, Enric Palle, Davide Gandolfi +32
We report the discovery of EPIC 219388192 b, a transiting brown dwarf in a 5.3-day orbit around a member star of Ruprecht-147, the oldest nearby open cluster association, which was…
K2-99: a subgiant hosting a transiting warm Jupiter in an eccentric orbit and a long-period companion
A. M. S. Smith, D. Gandolfi, O. Barragán +30
We report the discovery from K2 of a transiting planet in an 18.25-d, eccentric (0.19 0.04) orbit around K2-99, an 11th magnitude subgiant in Virgo. We confirm the planetary n…
SEEDS direct imaging of the RV-detected companion to V450 Andromedae, and characterization of the system
K. G. Hełminiak, M. Kuzuhara, K. Mede +49
We report the direct imaging detection of a low-mass companion to a young, moderately active star V450 And, that was previously identified with the radial velocity method. The comp…
A high precision technique to correct for residual atmospheric dispersion in high-contrast imaging systems
P. Pathak, O. Guyon, N. Jovanovic +7
Direct detection and spectroscopy of exoplanets requires high contrast imaging. For habitable exoplanets in particular, located at small angular separation from the host star, it i…
Zodiacal Exoplanets in Time (ZEIT) II. A "Super-Earth" Orbiting a Young K Dwarf in the Pleiades Neighborhood
E. Gaidos, A. W. Mann, A. RIzzuto +13
We describe a "super-Earth"-size () planet transiting an early K-type dwarf star in the Campaign 4 field observed by the K2 mission. The host star, EPIC 2103…