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- Publications
- Influence
The California-Kepler Survey. III. A Gap in the Radius Distribution of Small Planets*
- B. Fulton, E. Petigura, +10 authors L. Hirsch
- Physics
- 30 March 2017
The size of a planet is an observable property directly connected to the physics of its formation and evolution. We used precise radius measurements from the California-Kepler Survey to study the… Expand
The California Kepler Survey VII. Precise Planet Radii Leveraging Gaia DR2 Reveal the Stellar Mass Dependence of the Planet Radius Gap
- B. Fulton, E. Petigura
- Physics
- 3 May 2018
The distribution of planet sizes encodes details of planet formation and evolution. We present the most precise planet size distribution to date based on Gaia parallaxes, Kepler photometry, and… Expand
FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 428 LIKELY FALSE POSITIVES
- T. Morton, S. Bryson, +5 authors N. Batalha
- Physics
- 10 May 2016
We present astrophysical false positive probability calculations for every Kepler Object of Interest (KOI)—the first large-scale demonstration of a fully automated transiting planet validation… Expand
An asteroseismic view of the radius valley: stripped cores, not born rocky
- V. V. Eylen, Camilla Agentoft, +5 authors I. Snellen
- Physics
- 15 October 2017
Various theoretical models treating the effect of stellar irradiation on planetary envelopes predict the presence of a radius valley, i.e. a bimodal distribution of planet radii, with super-Earths… Expand
Masses, Radii, and Orbits of Small Kepler Planets: The Transition From Gaseous to Rocky Planets
- G. Marcy, H. Isaacson, +100 authors D. Barrado
- Physics
- 16 January 2014
We report on the masses, sizes, and orbits of the planets orbiting 22 Kepler stars. There are 49 planet candidates around these stars, including 42 detected through transits and 7 revealed by precise… Expand
A PLATEAU IN THE PLANET POPULATION BELOW TWICE THE SIZE OF EARTH
- E. Petigura, G. Marcy, A. Howard
- Physics
- 1 April 2013
We carry out an independent search of Kepler photometry for small transiting planets with sizes 0.5-8.0 times that of Earth and orbital periods between 5 and 50 days, with the goal of measuring the… Expand
Carbon and Oxygen in Nearby Stars: Keys to Protoplanetary Disk Chemistry
- E. Petigura, G. W. Marcy
- Physics
- 27 June 2011
We present carbon and oxygen abundances for 941 FGK stars—the largest such catalog to date. We find that planet-bearing systems are enriched in these elements. We self-consistently measure NC /NO ,… Expand
Precision Stellar Characterization of FGKM Stars using an Empirical Spectral Library
- Samuel W. Yee, E. Petigura, K. Braun
- Physics
- 4 January 2017
Classification of stars, by comparing their optical spectra to a few dozen spectral standards, has been a workhorse of observational astronomy for more than a century. Here, we extend this technique… Expand
The California-Kepler Survey. I. High Resolution Spectroscopy of 1305 Stars Hosting Kepler Transiting Planets
- E. Petigura, A. Howard, +12 authors I. Crossfield
- Physics
- 30 March 2017
The California-Kepler Survey (CKS) is an observational program to improve our knowledge of the properties of stars found to host transiting planets by NASA's Kepler Mission. The improvement stems… Expand
The California-Kepler Survey. IV. Metal-rich Stars Host a Greater Diversity of Planets
- E. Petigura, G. Marcy, +7 authors J. Johnson
- Physics
- 11 December 2017
Probing the connection between a star's metallicity and the presence and properties of any associated planets offers an observational link between conditions during the epoch of planet formation and… Expand
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