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Extrasolar Visions II

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 Giant planets around HD 19615, HD 150010, and HD 174205

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Sirius_Alpha
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Number of posts : 4320
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Giant planets around HD 19615, HD 150010, and HD 174205 Empty
PostSubject: Giant planets around HD 19615, HD 150010, and HD 174205   Giant planets around HD 19615, HD 150010, and HD 174205 Empty17th November 2021, 10:17 pm

Search for Exoplanets around Northern Circumpolar Stars V. Three likely planetary companions to the giant stars HD 19615, HD 150010, and HD 174205
https://arxiv.org/abs/2111.08899

Quote :
Aims. We report the detection of long-period radial velocity (RV) variations in three giant stars, HD 19615, HD 150010, and HD 174205, using precise RV measurements. Methods. These detections are part of the Search for Exoplanets around Northern Circumpolar Stars (SENS) survey being conducted at the Bohyunsan Optical Astronomy Observatory (BOAO). The nature of the RV variations was investigated by analyzing the photometric and line shape variations. We found no variability with the RV period in these quantities and conclude that the RV variations are most likely caused by planetary companions. Results. Orbital solutions for the three stars yield orbital periods of 402 d, 562 d, and 582 d and minimum masses of 8.5 MJ , 2.4 MJ , and 4.2 MJ , respectively. These masses and periods are typical for planets around intermediate-mass stars, although some unclear interpretations and recent studies may being calling some planet convictions into question. Nevertheless, the SENS program is contributing to our knowledge of giant planets around intermediate-mass stars.

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Edasich
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Giant planets around HD 19615, HD 150010, and HD 174205 Empty
PostSubject: Re: Giant planets around HD 19615, HD 150010, and HD 174205   Giant planets around HD 19615, HD 150010, and HD 174205 Empty15th November 2022, 12:51 pm

It has taken (almost) exactly one year but these planets too have finally arrived at EPE
http://exoplanet.eu/catalog/hd_150010_b/
http://exoplanet.eu/catalog/hd_174205/

HD 19615 only is missing. Maybe also a “BOAO Results” topic is required, isn’t it?
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