EI Возничего

EI Возничего
Звезда
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Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 5ч 03м 14,82с[1]
Склонение +32° 45′ 10,92″[1]
Расстояние 667,735 ± 12,7073 пк[1]
Созвездие Возничий
Астрометрия
Собственное движение
 • прямое восхождение 6,388 ± 0,052 mas/год[1]
 • склонение −3,9 ± 0,032 mas/год[1]
Параллакс (π) 1,4976 ± 0,0285 mas[1]
Спектральные характеристики
Переменность затменная звезда[2]
Коды в каталогах
UCAC2 43234216, 2MASS J05031482+3245109, AN 32.1936, GSC 02392-00102, Gaia DR2 160628001596621568, EI Aur и TIC 366225174
Информация в базах данных
SIMBAD V* EI Aur
Логотип Викиданных Информация в Викиданных ?

EI Возничего (лат. EI Aurigae) — двойная затменная переменная звезда типа Алголя (EA) в созвездии Возничего на расстоянии приблизительно 2178 световых лет (около 668 парсеков) от Солнца. Видимая звёздная величина звезды — от +15m до +14,5m[3]. Орбитальный период — около 1,2267 суток.

Характеристики

Первый компонент — жёлтая звезда спектрального класса G-F. Радиус — около 2,7 солнечных, светимость — около 2,263 солнечных[1]. Эффективная температура — около 6000 К[4].

Второй компонент — жёлтая звезда спектрального класса G-F. Эффективная температура — около 6044 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. ↑ Kreiner J. M. Up-to-date linear elements of eclipsing binaries (англ.) // Acta Astronomica / M. Kubiak — Copernicus Foundation for Polish Astronomy, 2004. — Vol. 54. — P. 207–210. — ISSN 0001-5237
  3. ↑ EI Aur, 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 2020-11-18.
  4. ↑ 1 2 Zasche P. First analysis of eight Algol-type binaries: EI Aur, XY Dra, BP Dra, DD Her, VX Lac, WX Lib, RZ Lyn, and TY Tri (англ.) // New Astronomy — Elsevier BV, 2016. — Vol. 42. — P. 1–9. — ISSN 1384-1076; 1384-1092 — doi:10.1016/J.NEWAST.2015.06.009 — arXiv:1508.00704

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