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A Search for Additional Bodies in the GJ 1132 Planetary System from 21 Ground-based Transits and a 100 Hour Spitzer Campaign
Jason A Dittmann, Jonathan M Irwin, David Charbonneau +2
We present the results of a search for additional bodies in the GJ 1132 system through two methods: photometric transits and transit timing variations of the known planet. We colle…
The H emission of nearby M dwarfs and its relation to stellar rotation
Elisabeth R. Newton, Jonathan Irwin, David Charbonneau +3
The high-energy emission from low-mass stars is mediated by the magnetic dynamo. Although the mechanisms by which fully convective stars generate large-scale magnetic fields are no…
Discovery and Precise Characterization by the MEarth Project of LP 661-13, an Eclipsing Binary Consisting of Two Fully Convective Low-mass Stars
Jason A Dittmann, Jonathan M Irwin, David Charbonneau +7
We report the detection of stellar eclipses in the LP 661-13 system. We present the discovery and characterization of this system, including high resolution spectroscopic radial ve…
The Impact of Stellar Rotation on the Detectability of Habitable Planets Around M Dwarfs
Elisabeth R. Newton, Jonathan Irwin, David Charbonneau +2
Stellar activity and rotation frustrate the detection of exoplanets through the radial velocity technique. This effect is particularly of concern for M dwarfs, which can remain mag…
Zodiacal Exoplanets in Time (ZEIT) III: A short-period planet orbiting a pre-main-sequence star in the Upper Scorpius OB Association
Andrew W. Mann, Elisabeth R. Newton, Aaron C. Rizzuto +14
We confirm and characterize a close-in ( = 5.425 days), super-Neptune sized ( Earth radii) planet transiting K2-33 (2MASS J16101473-1919095), a…