Looking for Very Short-Period Planets with Re-Purposed Kepler
Brian Jackson

TL;DR
A re-purposed Kepler mission can effectively search for very short-period planets (<1 day), potentially revealing a new class of planets and providing insights into planet formation, evolution, and star interactions.
Contribution
This study highlights the feasibility and scientific value of using re-purposed Kepler data to detect ultra-short-period planets, emphasizing their robustness and potential for new discoveries.
Findings
Kepler can detect very short-period planets with shorter observational baselines.
Shorter transits are more robust against instrumental variations.
Preliminary Kepler surveys can guide TESS in discovering new planets.
Abstract
A re-purposed Kepler mission could continue the search for nearly Earth-sized planets in very short-period (< 1 day) orbits. Recent surveys of the Kepler data already available have revealed at least a dozen such planetary candidates, and a more complete and focused survey is likely to reveal more. Given the planets' short orbital periods, building the requisite signal-to-noise to detect the candidates by stacking multiple transits requires a much shorter observational baseline than for longer-period planets, and the transits are likely more robust against the much larger instrumental variations anticipated for the modified Kepler pointing capabilities. Searching for these unusual planets will also leverage the Kepler mission's already considerable expertise in planetary transit detection and analysis. These candidates may represent an entirely new class of planet. They may also provide…
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astro and Planetary Science · Astronomy and Astrophysical Research
