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Extreme precision photometry from the ground with beam-shaping diffusers for K2, TESS and beyond
Gudmundur Stefansson, Suvrath Mahadevan, John Wisniewski +7
The Transiting Exoplanet Survey Satellite (TESS, launched early 2018) is expected to find a multitude of new transiting planet candidates around the nearest and brightest stars. Ti…
Overview of the spectrometer optical fiber feed for the Habitable-zone Planet Finder
Shubham Kanodia, Suvrath Mahadevan, Lawrence. W. Ramsey +11
The Habitable-zone Planet Finder (HPF) is a highly stabilized fiber fed precision radial velocity (RV) spectrograph working in the Near Infrared (NIR): 810 - 1280 nm . In this pape…
Diffuser-assisted Photometric Follow-up Observations of the Neptune-sized Planets K2-28b and K2-100b
Gudmundur Stefansson, Yiting Li, Suvrath Mahadevan +5
We present precision transit observations of the Neptune-sized planets K2-28b and K2-100b, using the Engineered Diffuser on the ARCTIC imager on the ARC 3.5m Telescope at Apache Po…
44 New & Known M Dwarf Multiples In The SDSS-III/APOGEE M Dwarf Ancillary Science Sample
Jacob Skinner, Kevin R. Covey, Chad F. Bender +28
Binary stars make up a significant portion of all stellar systems. Consequently, an understanding of the bulk properties of binary stars is necessary for a full picture of star for…
Kepler-503b: An Object at the Hydrogen Burning Mass Limit Orbiting a Subgiant Star
Caleb I. Cañas, Chad F. Bender, Suvrath Mahadevan +10
Using spectroscopic radial velocities with the APOGEE instrument and Gaia distance estimates, we demonstrate that Kepler-503b, currently considered a validated Kepler planet, is in…
Measuring the Recoverability of Close Binaries in Gaia DR2 with the Robo-AO Kepler Survey
Carl Ziegler, Nicholas M. Law, Christoph Baranec +6
We use the Robo-AO survey of Kepler planetary candidate host stars, the largest adaptive optics survey yet performed, to measure the recovery rate of close stellar binaries in Gaia…