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The Breakthrough Listen Search for Intelligent Life: Searching Boyajian's Star for Laser Line Emission
David Lipman, Howard Isaacson, Andrew P. V. Siemion +10
Boyajian' s Star (KIC 8462852) has received significant attention due to its unusual periodic brightness fluctuations detected by the Kepler Spacecraft and subsequent ground based…
The Breakthrough Listen Search for Intelligent Life: No Evidence of Claimed Periodic Spectral Modulations in High Resolution Optical Spectra of Nearby Stars
Howard Isaacson, Andrew P. V. Siemion, Geoffrey W. Marcy +4
We report on high-resolution spectra obtained by the Automated Planet Finder and high resolution optical Levy Spectrometer and the search for periodic spectral modulations, such as…
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…
Retired A Stars and Their Companions VIII: 15 New Planetary Signals Around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts
Jacob K. Luhn, Fabienne A. Bastien, Jason T. Wright +3
We present the discovery of 7 new planets and 8 planet candidates around subgiant stars, as additions to the known sample of planets around "retired A stars" (Johnson et al. 2006).…
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…