RZ Большой Медведицы

RZ Большой Медведицы
Звезда
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Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 8ч 10м 59,74с[1]
Склонение +65° 13′ 22,12″[1]
Расстояние 524,411 ± 28,6283 пк[1]
Видимая звёздная величина (V) 9,63 ± 0,02[2]
Созвездие Большая Медведица
Астрометрия
Лучевая скорость (Rv) −34 ± 4,7 км/с[3][4][…]
Собственное движение
 • прямое восхождение 9,365 ± 0,054 mas/год[1]
 • склонение 2,559 ± 0,082 mas/год[1]
Параллакс (π) 1,9069 ± 0,1041 mas[1]
Спектральные характеристики
Спектральный класс M8[5]
Показатель цвета
 • B−V 1,21
Переменность SRB полуправильная[6][7][…] и долгопериодическая[5]
Коды в каталогах

AG+65 423, BD+65 613, GCRV 5405, GSC 04132-00151, HIC 40060, HIP 40060, IRAS 08063+6522, IRC +70082, PPM 16512, RAFGL 1232, 2MASS J08105974+6513220, WEB 7817, Gaia DR2 1091965271452919552, RZ UMa, AAVSO 0801+65, TYC 4132-151-1, TIC 73245554 и Gaia DR3 1091965271455414272

Информация в базах данных
SIMBAD V* RZ UMa
Логотип Викиданных Информация в Викиданных ?

RZ Большой Медведицы (лат. RZ Ursae Majoris) — одиночная переменная звезда в созвездии Большой Медведицы на расстоянии приблизительно 2144 световых лет (около 657 парсеков) от Солнца. Видимая звёздная величина звезды — от +11,9m до +9,7m[8].

Характеристики

RZ Большой Медведицы — красная пульсирующая полуправильная переменная звезда типа SRB (SRB) спектрального класса M5-M6[8] или M8.

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. ↑ Gontcharov G. A. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system (англ.) // Astronomy Letters / R. Sunyaev — Nauka, Springer Science+Business Media, 2006. — Vol. 32, Iss. 11. — P. 759–771. — ISSN 1063-7737; 1562-6873; 0320-0108; 0360-0327 — doi:10.1134/S1063773706110065 — arXiv:1606.08053
  4. ↑ Duflot M., Figon P., Meyssonnier N. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue (англ.) // Astronomy and Astrophysics / T. Forveille — EDP Sciences, 1995. — Vol. 114. — P. 269–280. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846
  5. ↑ 1 2 SIMBAD Astronomical Database
  6. ↑ 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.
  7. ↑ Samus N. N., Durlevich O. V., et a. General Catalogue of Variable Stars (Samus+ 2007-2011) — 2009. — Т. 1. — С. 2025.
  8. ↑ 1 2 RZ UMa, 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 2020-08-09.

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