MV Большой Медведицы

MV Большой Медведицы
Звезда
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Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 11ч 38м 59,72с[1]
Склонение +42° 19′ 43,70″[1]
Расстояние 19,3858 ± 0,0836 пк[1]
Созвездие Большая Медведица
Астрометрия
Лучевая скорость (Rv) 11,16 ± 7,81 км/с[1]
Собственное движение
 • прямое восхождение −128,671 ± 0,211 mas/год[1]
 • склонение 434,705 ± 0,375 mas/год[1]
Параллакс (π) 51,5841 ± 0,2224 mas[1]
Спектральные характеристики
Спектральный класс K5V[2][3]
Показатель цвета
 • U−B 0,82
Физические характеристики
Температура 4665 К[4]
Металличность 7,28[4]
Вращение 2,7 км/с[4]
Коды в каталогах

PLX 2696, SBC9 681, LSPM J1138+4219, ASCC 408284, USNO-B1.0 1323-00273854, GSC 03015-01701, AG+42 1102, AGKR 10454, BD+43 2135, Ci 18 1435, Ci 20 654, Furuhjelm I-867, G 122-38, G 176-45, GC 15983, GCRV 7082, GEN# +1.00101206, GJ 3678, HD 101206, HIC 56829, HIP 56829, LHS 6210, LTT 13186, NGP 43 2, NLTT 28095, PPM 52559, SAO 43847, SBC7 438, TYC 3015-1701-1, 2MASS J11385970+4219438, PLX 2696.00, [ZEH2003] RX J1138.9+4219 1, RX J1138.9+4219, 1RXS J113858.9+421957, WISEA J113859.59+421948.3, Gaia DR1 772395270561409920, WEB 10232, Gaia DR2 772395274857111552 и MV UMa

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

MV Большой Медведицы (лат. MV Ursae Majoris), HD 101206 — двойная звезда в созвездии Большой Медведицы на расстоянии приблизительно 63,2 световых лет (около 19,4 парсеков) от Солнца. Видимая звёздная величина звезды — от +8,24m до +8,22m[5].

Характеристики

Первый компонент — оранжевый карлик, эруптивная переменная звезда типа RS Гончих Псов (RS) спектрального класса K5V[5][2][3]. Эффективная температура — около 4665 К[4].

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 Frasca A., Covino E., Spezzi L., Alcalá J. M., Marilli E., Fżrész G., Gandolfi D. REM near-IR and optical photometric monitoring of pre-main sequence stars in Orion (англ.) // Astronomy and Astrophysics / T. Forveille — EDP Sciences, 2009. — Vol. 508, Iss. 3. — P. 1313—1330. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846 — doi:10.1051/0004-6361/200913327
  3. ↑ 1 2 Hossack W. R. The application of an oscilloscopic microphotometer to the spectral classification of the late-type stars (англ.) // Communications from the David Dunlap Observatory — 1953. — Vol. 35. — P. 1. — ISSN 0070-2919
  4. ↑ 1 2 3 4 Luck R. E. Abundances in the Local Region II: F, G, and K Dwarfs and Subgiants (англ.) // The Astronomical Journal / J. G. III, E. Vishniac — New York City: IOP Publishing, AAS, University of Chicago Press, AIP, 2016. — Vol. 153, Iss. 1. — 19 p. — ISSN 0004-6256; 1538-3881 — doi:10.3847/1538-3881/153/1/21 — arXiv:1611.02897
  5. ↑ 1 2 MV 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 6 августа 2012 на Wayback Machine Accessed online 2020-08-14.

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