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Bright Opportunities for Atmospheric Characterization of Small Planets: Masses and Radii of K2-3 b, c, d and GJ3470 b from Radial Velocity Measurements and Spitzer Transits
Molly R. Kosiarek, Ian J. M. Crossfield, Kevin K. Hardegree-Ullman +36
We report improved masses, radii, and densities for four planets in two bright M-dwarf systems, K2-3 and GJ3470, derived from a combination of new radial velocity and transit obser…
Deep exploration of Eridani with Keck Ms-band vortex coronagraphy and radial velocities: mass and orbital parameters of the giant exoplanet
Dimitri Mawet, Lea Hirsch, Eve J. Lee +27
We present the most sensitive direct imaging and radial velocity (RV) exploration of Eridani to date. Eridani is an adolescent planetary system, reminiscent of the early So…
60 Validated Planets from K2 Campaigns 5-8
John H. Livingston, Ian J. M. Crossfield, Erik A. Petigura +13
We present a uniform analysis of 155 candidates from the second year of NASA's mission (Campaigns 5-8), yielding 60 statistically validated planets spanning a range of propert…
HD 202772A B: A Transiting Hot Jupiter Around A Bright, Mildly Evolved Star In A Visual Binary Discovered By Tess
Songhu Wang, Matias Jones, Avi Shporer +52
We report the first confirmation of a hot Jupiter discovered by the Transiting Exoplanet Survey Satellite (TESS) mission: HD 202772A b. The transit signal was detected in the data…
Kepler-1656b: a Dense Sub-Saturn With an Extreme Eccentricity
Madison T. Brady, Erik A. Petigura, Heather A. Knutson +6
Kepler-1656b is a 5 planet with an orbital period of 32 days initially detected by the prime Kepler mission. We obtained precision radial velocities of Kepler-1656 with Keck/…
Revisiting the HIP41378 system with K2 and Spitzer
David Berardo, Ian J. M. Crossfield, Michael Werner +12
We present new observations of the multi-planet system HIP~41378, a bright star ( = 8.9, = 7.7) with five known transiting planets. Observations in Campaign 5 of the K2 mi…