88 Водолея

88 Водолея
Звезда
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Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 23ч 09м 26,80с[1]
Склонение −21° 10′ 20,69″[1]
Расстояние 78,9204 ± 1,3858 пк[1]
Видимая звёздная величина (V) 3,64[2]
Созвездие Водолей
Астрометрия
Лучевая скорость (Rv) 21,3 ± 0,6 км/с[3][4]
Собственное движение
 • прямое восхождение 53,452 ± 0,224 mas/год[1]
 • склонение 30,201 ± 0,208 mas/год[1]
Параллакс (π) 12,671 ± 0,2225 mas[1]
Абсолютная звёздная величина (V) −0,92
Спектральные характеристики
Спектральный класс K1.5III[5]
Показатель цвета
 • B−V 1,23
 • U−B 1,22
Физические характеристики
Радиус 29 R☉
Температура 4435 К[6]
Светимость 349,36 L☉
Металличность −0,2[6]
Коды в каталогах

HD 218594, HIP 114341, HR 8812, SAO 191683, 2MASS J23092678-2110209, FK5 873, GC 32246, GCRV 14535, HIC 114341, IRC -20629, JP11 3592, N30 5090, PLX 5603, PLX 5603.00, PMC 90-93 615, PPM 274643, SRS 30873, TD1 29648, TYC 6401-1355-1, UBV 19821, YZ 111 9724, WEB 20300, Gaia DR2 2386316510064388864, 88 Aqr, c² Aqr, Gaia DR3 2386316510063903616, TIC 204350437 и UBV M 26861

Информация в базах данных
SIMBAD * c02 Aqr
Логотип Викиданных Информация в Викиданных ?

88 Водолея (лат. 88 Aquarii), c² Водолея (лат. c² Aquarii), HD 218594 — одиночная звезда в созвездии Водолея на расстоянии приблизительно 248 световых лет (около 76 парсеков) от Солнца. Видимая звёздная величина звезды — +3,64m[2].

Характеристики

88 Водолея — оранжевый гигант спектрального класса K1,5III[5] или K1III[7]. Радиус — около 29 солнечных, светимость — около 349,36 солнечных. Эффективная температура — около 4435 К[6].

Примечания

  1. ↑ 1 2 3 4 5 6 Gaia Early Data Release 3 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2020.
  2. ↑ 1 2 Ducati J. R. Catalogue of Stellar Photometry in Johnson's 11-color system (англ.) — 2002. — Vol. 2237.
  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. ↑ Kennedy P. M., Przybylski A. Radial velocities of 50 high velocity stars (англ.) // Monthly Notices of the Royal Astronomical Society / D. Flower — OUP, 1963. — Vol. 126. — P. 381–385. — ISSN 0035-8711; 1365-2966 — doi:10.1093/MNRAS/126.4.381
  5. ↑ 1 2 Keenan P. C., McNeil R. C. The Perkins catalog of revised MK types for the cooler stars (англ.) // The Astrophysical Journal: Supplement Series — AAS, 1989. — Vol. 71. — P. 245–266. — ISSN 0067-0049; 1538-4365 — doi:10.1086/191373
  6. ↑ 1 2 3 Hekker S., Meléndez J. Precise radial velocities of giant stars. III. Spectroscopic stellar parameters (англ.) // Astronomy and Astrophysics / T. Forveille — EDP Sciences, 2007. — Vol. 475, Iss. 3. — P. 1003–1009. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846 — doi:10.1051/0004-6361:20078233 — arXiv:0709.1145
  7. ↑ Houk N., Swift C. Michigan catalogue of two-dimensional spectral types for the HD Stars (англ.) — 1999. — Vol. 5.

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