Planet Hunters: The First Two Planet Candidates Identified by the Public using the Kepler Public Archive Data

Details Planet Hunters: The First Two Planet Candidates Identified by the Public using the Kepler Public Archive Data Planet Hunters: The First Two Planet Candidates Identified by the Public using the Kepler Public Archive Data

2011-09-21

arxiv.org/abs/1109.4621v3

Astronomy and Astrophysics

Astrophysics

Earth and Planetary Astrophysics

Submitted to MNRAS, added 1 line to table 1

Scientific paper

Planet Hunters is a new citizen science project, designed to engage the public in an exoplanet search using NASA Kepler public release data. In the first month after launch, users identified two new planet candidates which survived our checks for false- positives. The follow-up effort included analysis of Keck HIRES spectra of the host stars, analysis of pixel centroid offsets in the Kepler data and adaptive optics imaging at Keck using NIRC2. Spectral synthesis modeling coupled with stellar evolutionary models yields a stellar density distribution, which is used to model the transit orbit. The orbital periods of the planet candidates are 9.8844 \pm0.0087 days (KIC 10905746) and 49.7696 \pm0.00039 (KIC 6185331) days and the modeled planet radii are 2.65 and 8.05 R\oplus. The involvement of citizen scientists as part of Planet Hunters is therefore shown to be a valuable and reliable tool in exoplanet detection.

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