HR Водолея

HR Водолея
Звезда
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Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 23ч 35м 47,59с[1]
Склонение −10° 59′ 25,39″[1]
Расстояние 4,61 кпк[2]
Видимая звёздная величина (V) 14,03[3]
Созвездие Водолей
Астрометрия
Лучевая скорость (Rv) −224,18 ± 7,14 км/с[4]
Собственное движение
 • прямое восхождение 13,194 ± 0,024 mas/год[1]
 • склонение −16,6 ± 0,02 mas/год[1]
Параллакс (π) 0,1765 ± 0,0215 mas[1]
Спектральные характеристики
Показатель цвета
 • B−V 0,414
Переменность RR Лиры с асимметричной кривой блеска[вд][5][2][…]
Коды в каталогах
2MASS J23354759-1059254, SDSS J233547.59-105925.3, Gaia DR2 2433953912194409472, HR Aqr, TIC 8919049 и Gaia DR3 2433953912194409472
Информация в базах данных
SIMBAD V* HR Aqr
Логотип Викиданных Информация в Викиданных ?

HR Водолея (лат. HR Aquarii) — одиночная переменная звезда в созвездии Водолея на расстоянии (вычисленном из значения параллакса) приблизительно 20552 световых лет (около 6301 парсека) от Солнца. Видимая звёздная величина звезды — от +14,4m до +13,2m[6].

Характеристики

HR Водолея — жёлто-белая пульсирующая переменная звезда типа RR Лиры (RRAB)[6] спектрального класса F. Эффективная температура — около 6562 К[7].

Примечания

  1. ↑ 1 2 3 4 5 Gaia Early Data Release 3 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2020.
  2. ↑ 1 2 Munari U., Henden A., Frigo A. APASS BVgri search for and characterization of RR Lyr variables candidate members of the Aquarius halo stream (англ.) // New Astronomy — Elsevier BV, 2014. — Vol. 27. — P. 1–12. — ISSN 1384-1076; 1384-1092 — doi:10.1016/J.NEWAST.2013.07.007
  3. ↑ Drake A. J., Catelan M., Djorgovski S. G., Torrealba G., Graham M. J., Belokurov V., Koposov S. E., Mahabal A., Prieto J. L., Donalek C. et al. Probing the outer galactic halo with RR Lyrae from the Catalina surveys (англ.) // The Astrophysical Journal / E. Vishniac — IOP Publishing, 2013. — Vol. 763, Iss. 1. — P. 32. — ISSN 0004-637X; 1538-4357 — doi:10.1088/0004-637X/763/1/32 — arXiv:1211.2866
  4. ↑ Gaia Data Release 3 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2022.
  5. ↑ Sesar B., Hernitschek N., Mitrović S., Ivezić Ž., Cohen J. G., Rix H., Bernard E. J., Grebel E. K., Martin N. F., Schlafly E. F. et al. Machine-learned Identification of RR Lyrae Stars from Sparse, Multi-band Data: The PS1 Sample (англ.) // The Astronomical Journal / J. G. III, E. Vishniac — New York City: IOP Publishing, AAS, University of Chicago Press, AIP, 2017. — Vol. 153, Iss. 5. — P. 204—219. — 16 p. — ISSN 0004-6256; 1538-3881 — doi:10.3847/1538-3881/AA661B — arXiv:1611.08596
  6. ↑ 1 2 HR Aqr Архивная копия от 20 октября 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 2020-10-17.
  7. ↑ Gaia Data Release 2 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2018.

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