HI Большого Пса

HI Большого Пса
Звезда
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Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 7ч 12м 45,48с[1]
Склонение −15° 30′ 6,44″[1]
Видимая звёздная величина (V) 7,82 ± 0,99[2]
Созвездие Большой Пёс
Астрометрия
Лучевая скорость (Rv) 17,3 ± 3,1 км/с[3]
Собственное движение
 • прямое восхождение −2,956 ± 0,083 mas/год[1]
 • склонение 2,073 ± 0,069 mas/год[1]
Параллакс (π) 0,4468 ± 0,0586 mas[1]
Спектральные характеристики
Спектральный класс B2Vn(e)[4]
Показатель цвета
 • B−V −0,05
 • U−B −0,68
Коды в каталогах

2MASS J07124547-1530063, [JE82] 287, AAVSO 0708-15, ALS 245, BD-15 1695, CEL 1674, CSV 102550, GCRV 4756, GEN# +1.00055538, GSC 05965-01624, HD 55538, HIC 34852, HIP 34852, LS 245, MCW 521, PPM 218327, SAO 152558, SKY# 13001, SV* BV 1092, TD1 9442, TYC 5965-1624-1, UBV M 13017, YZ 105 2529, uvby98 100055538, Gaia DR1 3032054977478667520, UCAC4 373-025227, WEB 6970, Gaia DR2 3032054981781572736 и HI CMa

Информация в базах данных
SIMBAD HD 55538
Логотип Викиданных Информация в Викиданных ?

HI Большого Пса (лат. HI Canis Majoris), HD 55538 — одиночная переменная звезда в созвездии Большого Пса на расстоянии (вычисленном из значения параллакса) приблизительно 7300 световых лет (около 2238 парсеков) от Солнца. Видимая звёздная величина звезды — от +7,85m до +7,66m[5].

Характеристики

HI Большого Пса — бело-голубая переменная Be-звезда (BE) спектрального класса B2Vn(e)[5][4].

Примечания

  1. ↑ 1 2 3 4 5 Gaia Data Release 2 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2018.
  2. ↑ Zacharias N., Finch C. T., Girard T. M., Bartlett J. L., Monet D. G., Zacharias M. I. VizieR Online Data Catalog: UCAC4 Catalogue (Zacharias+, 2012) (англ.) — 2012. — Vol. 1322.
  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. ↑ 1 2 Houk N., Smith-Moore M. Catalogue of two-dimensional spectral types for the HD stars (англ.) — 1988. — Vol. 4.
  5. ↑ 1 2 HI 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 2020-08-27.

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