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37 New Validated Planets in Overlapping K2 Campaigns
J. P. de Leon, J. Livingston, M. Endl +24
We analysed 68 candidate planetary systems first identified during Campaigns 5 and 6 (C5 and C6) of the NASA \textit{K2} mission. We set out to validate these systems by using a su…
Asteroseismology of iota Draconis and Discovery of an Additional Long-Period Companion
Michelle L. Hill, Stephen R. Kane, Tiago L. Campante +25
Giant stars as known exoplanet hosts are relatively rare due to the potential challenges in acquiring precision radial velocities and the small predicted transit depths. However, t…
Masses and compositions of three small planets orbiting the nearby M dwarf L231-32 (TOI-270) and the M dwarf radius valley
Vincent Van Eylen, N. Astudillo-Defru, X. Bonfils +69
We report on precise Doppler measurements of L231-32 (TOI-270), a nearby M dwarf ( pc, M, R), which hosts three transiting p…
The Occurrence of Rocky Habitable Zone Planets Around Solar-Like Stars from Kepler Data
Steve Bryson, Michelle Kunimoto, Ravi K. Kopparapu +79
We present occurrence rates for rocky planets in the habitable zones (HZ) of main-sequence dwarf stars based on the Kepler DR25 planet candidate catalog and Gaia-based stellar prop…
The TOI-763 system: sub-Neptunes orbiting a Sun-like star
M. Fridlund, J. Livingston, D. Gandolfi +51
We report the discovery of a planetary system orbiting TOI-763 (aka CD-39 7945), a , high proper motion G-type dwarf star that was photometrically monitored by the TESS spa…
K2-280b -- a low density warm sub-Saturn around a mildly evolved star
Grzegorz Nowak, Enric Palle, Davide Gandolfi +57
We present an independent discovery and detailed characterisation of K2-280b, a transiting low density warm sub-Saturn in a 19.9-day moderately eccentric orbit (e = 0.35_{-0.04}^{+…