V473 Андромеды

V473 Андромеды
Звезда
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Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 0ч 16м 5,38с[1]
Склонение +41° 51′ 24,11″[1]
Расстояние 1221,2995 ± 32,5163 пк[1]
Видимая звёздная величина (V) 13,55[2]
Созвездие Андромеда
Астрометрия
Собственное движение
 • прямое восхождение −8,955 ± 0,029 mas/год[1]
 • склонение −3,94 ± 0,017 mas/год[1]
Параллакс (π) 0,8188 ± 0,0218 mas[1]
Спектральные характеристики
Показатель цвета
 • B−V −0,05
Переменность W Большой Медведицы[2][3]
Коды в каталогах
NSVS 3652015, UCAC2 46215487, 2MASS J00160536+4151241, GSC 02790-00068, CRTS J001605.4+415123, Gaia DR2 383701181247212288, V473 And и TIC 194439592
Информация в базах данных
SIMBAD V* V473 And
Логотип Викиданных Информация в Викиданных ?

V473 Андромеды (лат. V473 Andromedae) — двойная затменная переменная звезда типа W Большой Медведицы (EW)[4][5] в созвездии Андромеды на расстоянии приблизительно 3983 световых лет (около 1221 парсека) от Солнца. Видимая звёздная величина звезды — от +13,83m до +13,37m[6]. Орбитальный период — около 0,4013 суток (9,6312 часов)[7].

Характеристики

Первый компонент — жёлто-белая звезда спектрального класса F. Радиус — около 1,58 солнечного, светимость — около 3,924 солнечных. Эффективная температура — около 6473 K[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. ↑ 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
  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. ↑ Kazarovets E. V., Samus N. N., Durlevich O. V., Kireeva N. N., Pastukhova E. N. The 80th name-list of variable stars. Part I - RA 0h to 6h (англ.) // Information Bulletin on Variable Stars — Konkoly Observatory, 2011. — Vol. 5969. — P. 1. — ISSN 0374-0676; 1587-2440; 1587-6578
  5. ↑ Kuzmin M. L. New short periodic eclipsing binaries. III // Переменные звезды. Приложение — 2008. — Т. 8. — С. 15.
  6. ↑ V473 And Архивная копия от 27 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 2021-01-29.
  7. ↑ 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

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