Английская Википедия:HD 158259

Материал из Онлайн справочника
Перейти к навигацииПерейти к поиску

Шаблон:Short description Шаблон:Starbox begin Шаблон:Starbox observe Шаблон:Starbox character Шаблон:Starbox astrometry Шаблон:Starbox detail Шаблон:Starbox catalog Шаблон:Starbox reference Шаблон:Starbox end

HD 158259 is a main sequence star located Шаблон:Convert away in the constellation Draco. It hosts a system of at least five planets, discovered by the SOPHIE échelle spectrograph using the radial velocity method.[1]

Characteristics

HD 158259 is a G0 star with a rotation period of Шаблон:Val days. More detailed analysis of the spectral assigns a class of G5V, but with the metal lines of an F9 star.[2]

Planets

Five planets have been confirmed orbiting HD 158259, along with one unconfirmed planet. These planets were discovered by N.C. Hara et.al. by the radial velocity method, published in Astronomy & Astrophysics in April 2020.[3] The innermost planet, HD 158259 b, was also observed to transit the star by TESS.[1] The planets orbit in a nearly 3:2 orbital resonance, with the period ratios 1.5758, 1.5146, 1.5296, 1.5130, and 1.4480, respectively, starting from the innermost pairing.[4] A dynamical analysis has shown that the system is stable.[1] One of the planets, HD 158259 b, is a super-Earth; the rest, including the unconfirmed HD 158259 g, are mini-Neptunes.[3]

Шаблон:OrbitboxPlanet begin Шаблон:OrbitboxPlanet Шаблон:OrbitboxPlanet Шаблон:OrbitboxPlanet Шаблон:OrbitboxPlanet Шаблон:OrbitboxPlanet Шаблон:OrbitboxPlanet hypothetical Шаблон:Orbitbox end

See also

References

Шаблон:Reflist

Шаблон:Stars of Draco

  1. 1,0 1,1 1,2 Ошибка цитирования Неверный тег <ref>; для сносок SOPHIE не указан текст
  2. Ошибка цитирования Неверный тег <ref>; для сносок abt2004 не указан текст
  3. 3,0 3,1 Шаблон:Cite journal
  4. Ошибка цитирования Неверный тег <ref>; для сносок springer не указан текст