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 Long-period companions to HD 92987 and HD 221420

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Lazarus
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Number of posts : 3337
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Long-period companions to HD 92987 and HD 221420 Empty
PostSubject: Long-period companions to HD 92987 and HD 221420   Long-period companions to HD 92987 and HD 221420 Empty2nd May 2019, 4:29 pm

HD 92987 has a companion with minimum mass 18 MJ in a 30-year orbit, while HD 221420 has a companion with minimum mass 10 MJ in a 60-year orbit.

Kane et al. "Detection of Planetary and Stellar Companions to Neighboring Stars via a Combination of Radial Velocity and Direct Imaging Techniques"
https://arxiv.org/abs/1904.12931
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Sirius_Alpha
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Long-period companions to HD 92987 and HD 221420 Empty
PostSubject: Re: Long-period companions to HD 92987 and HD 221420   Long-period companions to HD 92987 and HD 221420 Empty6th May 2019, 11:10 pm

This represents independent confirmation of the results of Rickman, et al. for HD 92987.
https://solar-flux.forumotion.com/t1981-5-au-companions-around-hd-181234-hd-13724-hd-25015-hd-92987-and-hd-50499

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