V447 Андромеды

V447 Андромеды
Звезда
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Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 1ч 58м 53,93с[1]
Склонение +37° 34′ 42,53″[1]
Расстояние 435,749 ± 4,2912 пк[1]
Видимая звёздная величина (V) 13,39[2]
Созвездие Андромеда
Астрометрия
Собственное движение
 • прямое восхождение 8,532 ± 0,019 mas/год[1]
 • склонение −11,792 ± 0,02 mas/год[1]
Параллакс (π) 2,2949 ± 0,0226 mas[1]
Спектральные характеристики
Спектральный класс K3.0[3]
Показатель цвета
 • B−V 0,83
Физические характеристики
Часть от NGC 752[4]
Коды в каталогах
2MASS J01585393+3734424, GSC 02816-00767, NGC 752 313, RX J015853.6+373444, Gaia DR2 342852052235898368, V447 And, TIC 67568863 и Gaia DR3 342852052235898368
Информация в базах данных
SIMBAD V* V447 And
Логотип Викиданных Информация в Викиданных ?

V447 Андромеды (лат. V447 Andromedae) — двойная звезда в созвездии Андромеды на расстоянии приблизительно 1398 световых лет (около 429 парсеков) от Солнца. Видимая звёздная величина звезды — от +13,42m до +13,39m[5].

Характеристики

Первый компонент — оранжевый карлик, эруптивная переменная звезда типа RS Гончих Псов (RS)[5] спектрального класса K3[3]. Масса — около 0,71 солнечных, радиус — около 1,02 солнечного, светимость — около 0,815 солнечной. Эффективная температура — около 5428 K[6].

Второй компонент. Орбитальный период — около 1,95 суток[7].

Примечания

  1. ↑ 1 2 3 4 5 6 Gaia Early Data Release 3 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2020.
  2. ↑ Kazarovets E. V., Samus N. N., Durlevich O. V., Kireeva N. N., Pastukhova. E. N. The 78th name-list of variable stars (англ.) // Information Bulletin on Variable Stars — Konkoly Observatory, 2006. — Vol. 5721. — P. 1–45. — ISSN 0374-0676; 1587-2440; 1587-6578
  3. ↑ 1 2 Agüeros M. A., Bowsher E. C., Bochanski J. J., Cargile P. A., Covey K. R., Douglas S. T., Kraus A., Kundert A., Law N. M., Ahmadi A. et al. A New Look at an Old Cluster: The Membership, Rotation, and Magnetic Activity of Low-mass Stars in the 1.3 Gyr Old Open Cluster NGC 752 (англ.) // The Astrophysical Journal / E. Vishniac — IOP Publishing, 2018. — Vol. 862, Iss. 1. — P. 33. — ISSN 0004-637X; 1538-4357 — doi:10.3847/1538-4357/AAC6ED — arXiv:1804.02016
  4. ↑ SIMBAD Astronomical Database
  5. ↑ 1 2 V447 And Архивная копия от 26 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 2021-01-22.
  6. ↑ Gaia Data Release 2 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2018.
  7. ↑ Van D. B. M., Verbunt F. An optical study of X-ray sources in the old open clusters NGC752 and NGC6940 (англ.) // Astronomy and Astrophysics / T. Forveille — EDP Sciences, 2001. — Vol. 375. — P. 387–396. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846 — doi:10.1051/0004-6361:20010767

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