AC Большого Пса

AC Большого Пса
Звезда
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Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 7ч 08м 18,03с[1]
Склонение −19° 40′ 1,55″[1]
Расстояние 1169,864 ± 18,4759 пк[1]
Видимая звёздная величина (V) 12,05 ± 0,17[2]
Созвездие Большой Пёс
Астрометрия
Лучевая скорость (Rv) 96,3 ± 12,2 км/с[3]
Собственное движение
 • прямое восхождение −4,788 ± 0,012 mas/год[1]
 • склонение −0,129 ± 0,013 mas/год[1]
Параллакс (π) 0,8548 ± 0,0135 mas[1]
Спектральные характеристики
Показатель цвета
 • B−V 0,67
Переменность затменная типа Алголя[4]
Коды в каталогах
2MASS J07081803-1940015, Gaia DR1 2929573587463360640, Gaia DR2 2929573591767328512, AC CMa, TYC 5972-2117-1, TIC 81733136 и Gaia DR3 2929573591767328512
Информация в базах данных
SIMBAD V* AC CMa
Логотип Викиданных Информация в Викиданных ?

AC Большого Пса (лат. AC Canis Majoris) — двойная затменная переменная звезда типа Алголя (EA) в созвездии Большого Пса на расстоянии приблизительно 4326 световых лет (около 1326 парсеков) от Солнца. Видимая звёздная величина звезды — от +15,3m до +12,8m[5]. Орбитальный период — около 3,4065 суток.

Примечания

  1. ↑ 1 2 3 4 5 6 Gaia Early Data Release 3 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2020.
  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. ↑ Gaia Data Release 2 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2018.
  4. ↑ Kukarkin B. V., Kholopov P. N., Pskovsky Y. P., Efremov Y. N., Kukarkina N. P., Kurochkin N. E., Medvedeva G. I. General Catalogue of Variable Stars, 3rd ed. — 1971.
  5. ↑ AC CMa, 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 6 августа 2012 на Wayback Machine Accessed online 2020-08-22.

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