V409 Близнецов

V409 Близнецов
Звезда
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Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 6ч 53м 23,50с[1]
Склонение +19° 10′ 24,39″[1]
Расстояние 2605,5237 ± 219,2767 пк[1]
Созвездие Близнецы
Астрометрия
Собственное движение
 • прямое восхождение 0,564 ± 0,058 mas/год[1]
 • склонение −1,575 ± 0,05 mas/год[1]
Параллакс (π) 0,3838 ± 0,0323 mas[1]
Коды в каталогах
2MASS J06532349+1910244, USNO-A2.0 1050-04473675, USNO-B1.0 1091-00130715, Gaia DR2 3365482020338551040, V409 Gem, ATO J103.3479+19.1734 и TIC 57731527
Информация в базах данных
SIMBAD V* V409 Gem
Логотип Викиданных Информация в Викиданных ?

V409 Близнецов (лат. V409 Geminorum) — двойная затменная переменная звезда типа Беты Лиры (EB:)[2] в созвездии Близнецов на расстоянии приблизительно 8498 световых лет (около 2606 парсек) от Солнца. Видимая звёздная величина звезды — от +14,3m до +13,6m[3]. Орбитальный период — около 0,5997 суток (14,393 часа)[4].

Открыта Робертом Коффом в 2004 году[5]*[6].

Характеристики

Первый компонент — белая звезда спектрального класса A6[5]*. Радиус — около 1,74 солнечного, светимость — около 7,509 солнечных. Эффективная температура — около 7234 К[1].

Второй компонент — жёлтая звезда спектрального класса G3[5]*.

Примечания

  1. ↑ 1 2 3 4 5 6 7 Gaia Data Release 2 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2018.
  2. ↑ 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
  3. ↑ V409 Gem Архивная копия от 13 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 2022-05-20.
  4. ↑ 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
  5. ↑ 1 2 3 Elkhateeb M. M., Nouh M. I., Nelson R. H. First orbital solution and evolutionary state for the newly discovered eclipsing binaries USNO-B1.0 1091-0130715 and GSC-03449-0680 (англ.) // New Astronomy — Elsevier BV, 2015. — Vol. 35. — P. 1–7. — ISSN 1384-1076; 1384-1092 — doi:10.1016/J.NEWAST.2014.08.003 — arXiv:1406.1826
  6. ↑ :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

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