activity
20152026
most citedK2 rotation periods for low-mass Hyads and a quantitative comparison of the distribution of slow rotators in the Hyades and Praesepe

157 citations · 1.2k across the 30 of their papers we have counts for

collaborators
Showing 2020Show all

7 papers · 1 filter

astro-ph.EP2020★ 40 cited

Transmission spectroscopy for the warm sub-Neptune HD3167c: evidence for molecular absorption and a possible high metallicity atmosphere

Thomas Mikal-Evans, Ian J. M. Crossfield, Bjorn Benneke +26

We present a transmission spectrum for the warm (500-600K) sub-Neptune HD3167c obtained using the Hubble Space Telescope Wide Field Camera 3 infrared spectrograph. We combine these…

astro-ph.EP2020★ 12 cited

EXPRES. II. Searching for Planets Around Active Stars: A Case Study of HD 101501

Samuel H. C. Cabot, Rachael M. Roettenbacher, Gregory W. Henry +7

By controlling instrumental errors to below 10 cm/s, the EXtreme PREcision Spectrograph (EXPRES) allows for a more insightful study of photospheric velocities that can mask weak Ke…

astro-ph.EP2020

The TESS-Keck Survey II: An Ultra-Short Period Rocky Planet and its Siblings Transiting the Galactic Thick-Disk Star TOI-561

Lauren M. Weiss, Fei Dai, Daniel Huber +61

We report the discovery of TOI-561, a multi-planet system in the galactic thick disk that contains a rocky, ultra-short period planet (USP). This bright () star hosts three…

astro-ph.EP2020★ 35 cited

Stellar Characterization of Keck HIRES Spectra with The Cannon

Malena Rice, John Brewer

To accurately interpret the observed properties of exoplanets, it is necessary to first obtain a detailed understanding of host star properties. However, physical models that analy…

astro-ph.EP2020★ 38 cited

EXPRES I. HD~3651 an Ideal RV Benchmark

John M. Brewer, Debra A. Fischer, Ryan T. Blackman +10

The next generation of exoplanet-hunting spectrographs should deliver up to an order of magnitude improvement in radial velocity precision over the standard 1 m/s state of the art.…

astro-ph.IM2020

Performance Verification of the EXtreme PREcision Spectrograph

Ryan T. Blackman, Debra A. Fischer, Colby A. Jurgenson +25

The EXtreme PREcision Spectrograph (EXPRES) is a new Doppler spectrograph designed to reach a radial velocity measurement precision sufficient to detect Earth-like exoplanets orbit…