83 Льва B b

83 Leonis B b
Экзопланета
Родительская звезда
Звезда 83 Льва B
Созвездие Лев
Прямое восхождение (α) 11ч 26м 45.32с
Склонение (δ) +3° 0′ 47.18″
Расстояние 57.61 св. года
(17.67 пк)
Спектральный класс K2V
Элементы орбиты
Большая полуось (a) 0.1232 ± 0.0071 а. е.
Эксцентриситет (e) 0.254 ± 0.092
Орбитальный период (P) 17.0431 ± 0.047 д.
Аргумент перицентра (ω) 219 ± 22°
Время перицентра (T0) 2,450,468.7 ± 1.4 JD
Полуамплитуда лучевой(K)
скорости звезды
9.8 ± 1.0 м/с
Физические характеристики
Масса (m) >0.109 ± 0.013 MJ
Минимальная масса (m sin i) 0,0841 ± 0,0061 MJ[1]
Радиус(r) ? RJ
Информация об открытии
Дата открытия 25 января 2005 года
Первооткрыватель(и) Marcy,
англ. R. Paul Butler,
англ. Steven S. Vogt et al.
Метод обнаружения Метод Доплера
Место открытия Соединённые Штаты Америки
Статус открытия Подтверждено
Другие обозначения
HD 99492 b
Логотип Викиданных Информация в Викиданных ?

83 Льва B b, также обозначаемая как HD 99492 b или 83 Leo B b — экзопланета у звезды 83 Льва B в двойной системе 83 Льва. Находится на расстоянии примерно 58 световых лет в созвездии Льва.

Планета была открыта в январе 2005 группой исследователей, работающей в Ликской обсерватории с помощью метода Доплера. Её орбита расположена очень близко к звезде, полный оборот вокруг которой равен 17 суткам.

См. также

Примечания

  1. Rosenthal L. J., Fulton B. J., Hirsch L. A., Isaacson H. T., Howard A. W., Dedrick C. M., Sherstyuk I. A., Blunt S. C., Petigura E. A., Knutson H. A. et al. The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades (англ.) // The Astrophysical Journal: Supplement SeriesAAS, 2021. — Vol. 255, Iss. 1. — P. 8. — 67 p. — ISSN 0067-0049; 1538-4365doi:10.3847/1538-4365/ABE23CarXiv:2105.11583

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