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- W2890878963 abstract "Here we draw attention to a candidate system with one hot Jupiter and one small, nearby companion, revealed by the recent Kepler data release (DR25). The hot Jupiter, Kepler-730b, has radius $R_{rm p}=11.36^{+1.14}_{-0.98}~R_oplus$ and orbital period $P=6.492$ d, and the newly discovered companion, KOI-929.02, has $R_{rm p}=1.45^{+0.15}_{-0.20}~R_oplus$ and $P=2.852$ d. No transit timing variation (TTV) was detected because of the marginal detection of the small companion transit, but this small companion passed all the validation tests. This system is probably another planetary system with hot Jupiter and small, nearby companion, after the outstanding WASP-47 system, and so far the only such system (out of 46) in the prime Kepler mission. The nature of this system, if confirmed, would suggest that hot Jupiters with small, nearby companions are probably more common than we used to believe. There remains a possibility that the small companion actually transits a star that is different from the hot Jupiter host, and follow-up observations with 10-m telescopes can potentially resolve this issue." @default.
- W2890878963 created "2018-09-27" @default.
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- W2890878963 date "2018-08-31" @default.
- W2890878963 modified "2023-10-16" @default.
- W2890878963 title "Kepler-730b is probably a hot Jupiter with a small companion" @default.
- W2890878963 cites W2783549963 @default.
- W2890878963 doi "https://doi.org/10.48550/arxiv.1809.00007" @default.
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