KK Волопаса

KK Волопаса
Звезда
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Наблюдательные данные (Эпоха J2000.0)
Прямое восхождение	14^ч 20^м 14,72^с^[1]
Склонение	+43° 10′ 57,46″^[1]
Расстояние	545,7324 ± 13,9679 пк^[1]
Видимая звёздная величина (V)	14,39^[2]
Созвездие	Волопас
Астрометрия
Собственное движение
• прямое восхождение	9,396 ± 0,063 mas/год^[1]
• склонение	−23,446 ± 0,065 mas/год^[1]
Параллакс (π)	1,8324 ± 0,0469 mas^[1]
Спектральные характеристики
Показатель цвета
• B−V	−0,09
Переменность	W Большой Медведицы^[3]^[2]^[…]
Коды в каталогах
GSC 03041-00445, NSVS 5100937, LINEAR 11560980, 2MASS J14201471+4310575, SDSS J142014.71+431057.4, CRTS J142014.7+431057, Gaia DR2 1492362669911024512, KK Boo и TIC 168768270
Информация в базах данных
SIMBAD	V* KK Boo
Информация в Викиданных ^?

KK Волопаса (лат. KK Boötis) — двойная затменная переменная звезда типа W Большой Медведицы (EW)^[4] в созвездии Волопаса на расстоянии приблизительно 1780 световых лет (около 546 парсеков) от Солнца. Видимая звёздная величина звезды — от +14,62^m до +14,19^m^[5]. Орбитальный период — около 0,2791 суток (6,6992 часов)^[6].

Характеристики

Первый компонент — оранжевый карлик спектрального класса K. Радиус — около 0,94 солнечного, светимость — около 0,459 солнечной. Эффективная температура — около 4896 K^[1].

Второй компонент — оранжевый карлик спектрального класса K.

Примечания

↑ ¹ ² ³ ⁴ ⁵ ⁶ ⁷ Gaia Data Release 2 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2018.
↑ ¹ ² Drake A. J., Graham M. J., Djorgovski S. G., Catelan M., Mahabal A. A., Torrealba G., García-Álvarez D., Donalek C., Prieto J. L., Williams R. et al. The Catalina surveys periodic variable star catalog (англ.) // The Astrophysical Journal: Supplement Series — AAS, 2014. — Vol. 213, Iss. 1. — P. 9. — ISSN 0067-0049; 1538-4365 — doi:10.1088/0067-0049/213/1/9 — arXiv:1405.4290
↑ N. N. Samus’, Kazarovets E. V., Durlevich O. V., Kireeva N. N., Pastukhova E. N. General catalogue of variable stars: Version GCVS 5.1 (англ.) // Astronomy Reports / D. Bisikalo — MAIK Nauka/Interperiodica, Springer Science+Business Media, 2017. — Vol. 61, Iss. 1. — P. 80–88. — ISSN 1063-7729; 1562-6881; 0004-6299 — doi:10.1134/S1063772917010085
↑ Kreiner J. M. Up-to-date linear elements of eclipsing binaries (англ.) // Acta Astronomica / M. Kubiak — Copernicus Foundation for Polish Astronomy, 2004. — Vol. 54. — P. 207–210. — ISSN 0001-5237
↑ KK Boo, database entry, Combined General Catalog of Variable Stars (GCVS5.1, 2017 Ed.), N. N. Samus, O. V. Durlevich, et al., CDS ID II/250 Архивная копия от 6 августа 2012 на Wayback Machine Accessed online 2021-04-06.
↑ Marsh F. M., Prince T. A., Mahabal A. A., Bellm E. C., Drake A. J., Djorgovski S. G. Characterization of 9380 contact binaries from the CRTS Variable Sources Catalogue (англ.) // Monthly Notices of the Royal Astronomical Society / D. Flower — OUP, 2016. — Vol. 465, Iss. 4. — P. 4678–4689. — 12 p. — ISSN 0035-8711; 1365-2966 — doi:10.1093/MNRAS/STW2110

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