HEK VI: On the Dearth of Galilean Analogs in Kepler and the Exomoon Candidate Kepler-1625b I
| Autor: | Allan R. Schmitt, Alex Teachey, David M. Kipping |
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| Rok vydání: | 2017 |
| Předmět: |
Physics
Earth and Planetary Astrophysics (astro-ph.EP) education.field_of_study 010504 meteorology & atmospheric sciences Population Exomoon Order (ring theory) FOS: Physical sciences Astronomy and Astrophysics Astrophysics Planetary system Light curve 01 natural sciences Galilean Space and Planetary Science Planet 0103 physical sciences Transit (astronomy) Astrophysics::Earth and Planetary Astrophysics education 010303 astronomy & astrophysics 0105 earth and related environmental sciences Astrophysics - Earth and Planetary Astrophysics |
| DOI: | 10.48550/arxiv.1707.08563 |
| Popis: | Exomoons represent an outstanding challenge in modern astronomy, with the potential to provide rich insights into planet formation theory and habitability. In this work, we stack the phase-folded transits of 284 viable moon hosting Kepler planetary candidates, in order to search for satellites. These planets range from Earth-to-Jupiter sized and from ${\sim}$0.1-to-1.0 AU in separation - so-called "warm" planets. Our data processing includes two-pass harmonic detrending, transit timing variations, model selection and careful data quality vetting to produce a grand light curve with an r.m.s. of 5.1 ppm. We find that the occurrence rate of Galilean-analog moon systems for planets orbiting between ${\sim}$0.1 and 1.0 AU can be constrained to be $\eta Comment: Accepted to The Astronomical Journal October 14, 2017. TTV posteriors are available at https://github.com/alexteachey/TTV_posteriors |
| Databáze: | OpenAIRE |
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