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Planetary Candidates from the First Year of the K2 Mission
Andrew Vanderburg, David W. Latham, Lars A. Buchhave +6
The Kepler Space Telescope is currently searching for planets transiting stars along the ecliptic plane as part of its extended K2 mission. We processed the publicly released data…
HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography
J. D. Hartman, G. Á. Bakos, L. A. Buchhave +24
We present the discovery of HAT-P-57b, a P = 2.4653 day transiting planet around a V = 10.465 +- 0.029 mag, Teff = 7500 +- 250 K main sequence A8V star with a projected rotation ve…
Multiwavelength Transit Observations of the Candidate Disintegrating Planetesimals Orbiting WD 1145+017
Bryce Croll, Paul A. Dalba, Andrew Vanderburg +12
We present multiwavelength, multi-telescope, ground-based follow-up photometry of the white dwarf WD 1145+017, that has recently been suggested to be orbited by up to six or more,…
A disintegrating minor planet transiting a white dwarf
Andrew Vanderburg, John Asher Johnson, Saul Rappaport +16
White dwarfs are the end state of most stars, including the Sun, after they exhaust their nuclear fuel. Between 1/4 and 1/2 of white dwarfs have elements heavier than helium in the…
KELT-4Ab: An inflated Hot Jupiter transiting the bright (V~10) component of a hierarchical triple
Jason D. Eastman, Thomas G. Beatty, Robert J. Siverd +42
We report the discovery of KELT-4Ab, an inflated, transiting Hot Jupiter orbiting the brightest component of a hierarchical triple stellar system. The host star is an F star with $…
Tests of the planetary hypothesis for PTFO 8-8695b
Liang Yu, Joshua N. Winn, Michaël Gillon +16
The T Tauri star PTFO 8-8695 exhibits periodic fading events that have been interpreted as the transits of a giant planet on a precessing orbit. Here we present three tests of the…