V544 Возничего

V544 Возничего
Звезда
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Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 5ч 52м 53,27с[1]
Склонение +32° 33′ 1,50″[1]
Расстояние 1950,84 ± 143,858 пк[1]
Видимая звёздная величина (V) 16,17[2]
Созвездие Возничий
Астрометрия
Лучевая скорость (Rv) 75,280012476144 ± 18,730015 км/с[3]
Собственное движение
 • прямое восхождение 1,381 ± 0,043 mas/год[1]
 • склонение −4,951 ± 0,03 mas/год[1]
Параллакс (π) 0,5126 ± 0,0378 mas[1]
Спектральные характеристики
Показатель цвета
 • B−V 0,716
Переменность W Большой Медведицы[4][5]
Физические характеристики
Температура 5344 К[3]
Металличность −0,139[3]
Часть от NGC 2099
Коды в каталогах
2MASS J05525326+3233014, [CBH2015] V4, Gaia DR2 3451201218151755264, V544 Aur, TIC 311992770 и Gaia DR3 3451201218151755264
Информация в базах данных
SIMBAD V* V544 Aur
Логотип Викиданных Информация в Викиданных ?

V544 Возничего (лат. V544 Aurigae) — двойная затменная переменная звезда типа W Большой Медведицы (EW)[6][7][8][9] в созвездии Возничего на расстоянии (вычисленном из значения параллакса) приблизительно 6289 световых лет (около 1928 парсеков) от Солнца. Видимая звёздная величина звезды — от +16,5m до +16,17m[10]. Орбитальный период — около 0,5585 суток (13,404 часов)[11].

Характеристики

Первый компонент — оранжевая звезда спектрального класса K. Радиус — около 1,84 солнечного, светимость — около 1,678 солнечной. Эффективная температура — около 4846 К[12].

Второй компонент — оранжевая звезда спектрального класса K.

Примечания

  1. ↑ 1 2 3 4 5 6 Gaia Early Data Release 3 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2020.
  2. ↑ Kazarovets E. V., Samus N. N., Durlevich O. V., Kireeva N. N., Pastukhova. E. N. The 78th name-list of variable stars (англ.) // Information Bulletin on Variable Stars — Konkoly Observatory, 2006. — Vol. 5721. — P. 1–45. — ISSN 0374-0676; 1587-2440; 1587-6578
  3. ↑ 1 2 3 SIMBAD Astronomical Database
  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. ↑ 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
  6. ↑ 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
  7. ↑ 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
  8. ↑ Kang Y. B., Kim S.-L., Rey S.-C., Lee C.-U., Kim Y. H., Koo J.-R., Jeon Y.-B. Variable stars in the open cluster NGC 2099 (M37) (англ.) // Publications of the Astronomical Society of the Pacific — University of Chicago Press, 2007. — Vol. 119. — P. 239–250. — ISSN 0004-6280; 1538-3873 — doi:10.1086/513883 — arXiv:astro-ph/0702675
  9. ↑ Kiss L. L., Szabo G. M., Sziladi K., Furesz G., Sarneczky K., Csak B. A variable star survey of the open cluster M 37 (англ.) // Astronomy and Astrophysics / T. Forveille — EDP Sciences, 2001. — Vol. 376. — P. 561–567. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846 — doi:10.1051/0004-6361:20010980 — arXiv:astro-ph/0107144
  10. ↑ V544 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 2021-03-01.
  11. ↑ S.-W. Chang, Y.-I. Byun, Hartman J. D. A new catalog of variable stars in the field of the open cluster M37 (англ.) // The Astronomical Journal / J. G. III, E. Vishniac — New York City: IOP Publishing, AAS, University of Chicago Press, AIP, 2015. — Vol. 150, Iss. 1. — P. 27. — ISSN 0004-6256; 1538-3881 — doi:10.1088/0004-6256/150/1/27
  12. ↑ Gaia Data Release 2 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2018.

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