V508 Близнецов

V508 Близнецов
Звезда
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Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 7ч 45м 2,24с[1]
Склонение +31° 43′ 33,60″[1]
Расстояние 276,6481 ± 3,3139 пк[1]
Видимая звёздная величина (V) 11,02 ± 0,08[2]
Созвездие Близнецы
Астрометрия
Собственное движение
 • прямое восхождение −25,798 ± 0,07 mas/год[1]
 • склонение −4,008 ± 0,041 mas/год[1]
Параллакс (π) 3,6147 ± 0,0433 mas[1]
Спектральные характеристики
Показатель цвета
 • B−V 0,88
Переменность W Большой Медведицы[3][4][…]
Коды в каталогах

V508 Gem, 2MASS J07450224+3143336, [GGM2006] 7329879, TYC 2454-681-2, GSC 02454-00681, UCAC2 42920553, UCAC3 244-87185, NSVS 7294150, TYC 2454-681-1, Gaia DR2 880149304165089920 и TIC 4374512

Информация в базах данных
SIMBAD (GGM2006) 7329879
Логотип Викиданных Информация в Викиданных ?

V508 Близнецов (лат. V508 Geminorum) — двойная затменная переменная звезда типа W Большой Медведицы (EW)[5] в созвездии Близнецов на расстоянии приблизительно 902 световых лет (около 277 парсек) от Солнца. Видимая звёздная величина звезды — от +11,55m до +10,96m[6]. Орбитальный период — около 0,3634 суток (8,7227 часа)[7].

Характеристики

Первый компонент — жёлто-белая звезда спектрального класса F. Радиус — около 1,22 солнечного, светимость — около 1,999 солнечной. Эффективная температура — около 6224 К[1].

Второй компонент — жёлто-белая звезда спектрального класса F.

Примечания

  1. ↑ 1 2 3 4 5 6 7 Gaia Data Release 2 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2018.
  2. ↑ Høg E., Fabricius C., Makarov V. V., Urban S., Corbin T., Wycoff G., Bastian U., Schwekendiek P., Wicenec A. The Tycho-2 catalogue of the 2.5 million brightest stars (англ.) // Astronomy and Astrophysics / T. Forveille — EDP Sciences, 2000. — Vol. 355. — P. L27—L30. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846
  3. ↑ Gettel S. J., Geske M. T., McKay T. A. A catalog of 1022 bright contact binary stars (англ.) // The Astronomical Journal / J. G. III, E. Vishniac — New York City: IOP Publishing, AAS, University of Chicago Press, AIP, 2006. — Vol. 131, Iss. 1. — P. 621–632. — ISSN 0004-6256; 1538-3881 — doi:10.1086/498016 — arXiv:astro-ph/0509819
  4. ↑ Hoffman D. I., Harrison T. E., McNamara B. J. Automated variable star classification using the Northern Sky Variability Survey (англ.) // The Astronomical Journal / J. G. III, E. Vishniac — New York City: IOP Publishing, AAS, University of Chicago Press, AIP, 2009. — Vol. 138, Iss. 2. — P. 466–477. — ISSN 0004-6256; 1538-3881 — doi:10.1088/0004-6256/138/2/466
  5. ↑ Terrell D., Gross J., Cooney W. R. A BVRCIC Survey of W Ursae Majoris Binaries (англ.) // The Astronomical Journal / J. G. III, E. Vishniac — New York City: IOP Publishing, AAS, University of Chicago Press, AIP, 2012. — Vol. 143, Iss. 4. — 7 p. — ISSN 0004-6256; 1538-3881 — doi:10.1088/0004-6256/143/4/99 — arXiv:1202.3111
  6. ↑ V508 Gem Архивная копия от 14 июля 2020 на Wayback Machine, 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 1 июля 2015 на Wayback Machine Accessed online 2022-05-26.
  7. ↑ 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

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