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- W3101477987 abstract "We report the discovery of a unique object, BD+48 740, a lithium overabundant giant with A(Li) = 2.33 ± 0.04 (where A(Li) = log nLi/nH + 12), that exhibits radial velocity (RV) variations consistent with a 1.6 MJ companion in a highly eccentric, e = 0.67 ± 0.17, and extended, a = 1.89 AU (P = 771 days), orbit. The high eccentricity of the planet is uncommon among planetary systems orbiting evolved stars and so is the high lithium abundance in a giant star. The ingestion by the star of a putative second planet in the system originally in a closer orbit could possibly allow for a single explanation to these two exceptional facts. If the planet candidate is confirmed by future RV observations, it might represent the first example of the remnant of a multiple planetary system recently affected by stellar evolution." @default.
- W3101477987 created "2020-11-23" @default.
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- W3101477987 date "2012-07-05" @default.
- W3101477987 modified "2023-09-26" @default.
- W3101477987 title "BD+48 740—Li OVERABUNDANT GIANT STAR WITH A PLANET: A CASE OF RECENT ENGULFMENT?" @default.
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- W3101477987 doi "https://doi.org/10.1088/2041-8205/754/1/l15" @default.
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