MR Близнецов

MR Близнецов
Звезда
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Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 6ч 55м 24,15с[1]
Склонение +16° 17′ 18,29″[1]
Расстояние 3449,465 ± 224,8875 пк[1]
Созвездие Близнецы
Астрометрия
Собственное движение
 • прямое восхождение −0,078 ± 0,023 mas/год[1]
 • склонение −3,016 ± 0,018 mas/год[1]
Параллакс (π) 0,2899 ± 0,0189 mas[1]
Спектральные характеристики
Переменность затменная звезда[2] и W Большой Медведицы[3]
Коды в каталогах
2MASS J06552414+1617181, Gaia DR2 3355121764648447744, MR Gem, TIC 155540068 и Gaia DR3 3355121764648447744
Информация в базах данных
SIMBAD V* MR Gem
Логотип Викиданных Информация в Викиданных ?

MR Близнецов (лат. MR Geminorum) — двойная затменная переменная звезда (E:)[4][5][6][7] в созвездии Близнецов на расстоянии (вычисленном из значения параллакса) приблизительно 11 783 световых лет (около 3 613 парсек) от Солнца. Видимая звёздная величина звезды — от +14,7m до +14,4m[8].

Открыта Куно Хофмейстером в 1966 году[9].

Характеристики

Первый компонент — жёлто-белая звезда спектрального класса F-A. Радиус — около 3,06 солнечных, светимость — около 24,283 солнечных. Эффективная температура — около 7325 К[10].

Примечания

  1. ↑ 1 2 3 4 5 6 Gaia Early Data Release 3 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2020.
  2. ↑ SIMBAD Astronomical Database
  3. ↑ Heinze A. N., Tonry J. L., Denneau L., Stalder B., Rest A., Smith K. W., Smartt S. J., Weiland H. A First Catalog of Variable Stars Measured by the Asteroid Terrestrial-impact Last Alert System (ATLAS) (англ.) // The Astronomical Journal / J. G. III, E. Vishniac — New York City: IOP Publishing, AAS, University of Chicago Press, AIP, 2018. — Vol. 156, Iss. 5. — P. 241. — ISSN 0004-6256; 1538-3881 — doi:10.3847/1538-3881/AAE47F — arXiv:1804.02132
  4. ↑ N. N. Samus’, Kazarovets E. V., Durlevich O. V., Kireeva N. N., Pastukhova E. N. General catalogue of variable stars: Version GCVS 5.1 (англ.) // Astronomy Reports / D. Bisikalo — MAIK Nauka/Interperiodica, Springer Science+Business Media, 2017. — Vol. 61, Iss. 1. — P. 80–88. — ISSN 1063-7729; 1562-6881; 0004-6299 — doi:10.1134/S1063772917010085
  5. ↑ Avvakumova E. A., Malkov O. Y., Kniazev A. Y. Eclipsing variables: Catalogue and classification (англ.) // Astronomische Nachrichten — Wiley, 2013. — Vol. 334, Iss. 8. — P. 860—865. — ISSN 0004-6337; 1521-3994 — doi:10.1002/ASNA.201311942
  6. ↑ Malkov O. Y., Oblak E., Snegireva E. A., Torra J. A catalogue of eclipsing variables (англ.) // Astronomy and Astrophysics / T. Forveille — EDP Sciences, 2006. — Vol. 446, Iss. 2. — P. 785—789. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846 — doi:10.1051/0004-6361:20053137
  7. ↑ 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
  8. ↑ MR Gem Архивная копия от 10 июля 2020 на Wayback Machine, 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 2022-04-28.
  9. ↑ Hoffmeister C. Mitteilungen über neuentdeckte Veränderliche Sterne (англ.) // Astronomische Nachrichten — Wiley, 1966. — Vol. 289. — P. 139–152. — ISSN 0004-6337; 1521-3994 — doi:10.1002/ASNA.19662890306
  10. ↑ Gaia Data Release 2 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2018.

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