V646 Возничего

V646 Возничего
Звезда
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Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 6ч 35м 40,54с[1]
Склонение +42° 04′ 14,84″[1]
Расстояние 934,1429 ± 26,3532 пк[1]
Видимая звёздная величина (V) 13,34[2]
Созвездие Возничий
Астрометрия
Собственное движение
 • прямое восхождение −0,97 ± 0,053 mas/год[1]
 • склонение −12,104 ± 0,047 mas/год[1]
Параллакс (π) 1,0705 ± 0,0302 mas[1]
Спектральные характеристики
Показатель цвета
 • B−V 0,26
Переменность W Большой Медведицы[2][3]
Коды в каталогах
2MASS J06354053+4204147, GSC 02936-00478, USNO-B1.0 1320-00191566, CRTS J063540.6+420413, Gaia DR2 957972599740477056, V646 Aur и TIC 190252936
Информация в базах данных
SIMBAD V* V646 Aur
Логотип Викиданных Информация в Викиданных ?

V646 Возничего (лат. V646 Aurigae) — двойная затменная переменная звезда типа W Большой Медведицы (EW)[4][5][6] в созвездии Возничего на расстоянии приблизительно 3047 световых лет (около 934 парсеков) от Солнца. Видимая звёздная величина звезды — от +13,53m до +13,12m[7]. Орбитальный период — около 0,4386 суток (10,527 часов)[2].

Характеристики

Первый компонент — жёлтая звезда спектрального класса G. Радиус — около 1,91 солнечного, светимость — около 3,236 солнечных. Эффективная температура — около 5601 K[1].

Второй компонент — жёлтая звезда спектрального класса G.

Примечания

  1. ↑ 1 2 3 4 5 6 7 Gaia Data Release 2 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2018.
  2. ↑ 1 2 3 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
  3. ↑ 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
  4. ↑ Yang Y. G., Qian S. B., Gonzalez-Rojas D. J., Yuan J. Z. The first photometric analyses of four new discovered EW-type eclipsing binaries: GSC 1848-1264, GSC 0804-0118, GSC 0619-0232 and GSC 2936-0478 (англ.) // Astrophysics and Space Science — Springer Science+Business Media, 2005. — Vol. 300. — P. 337–356. — ISSN 0004-640X; 1572-946X — doi:10.1007/S10509-005-4161-4
  5. ↑ :Anonymous Reports on new discoveries (англ.) // Information Bulletin on Variable Stars — Konkoly Observatory, 2004. — Vol. 5500. — P. 1. — ISSN 0374-0676; 1587-2440; 1587-6578
  6. ↑ 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
  7. ↑ V646 Aur, 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 2021-03-24.

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