28 Девы

28 Девы
Звезда
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Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 12ч 41м 57,69с[1]
Склонение −7° 30′ 1,08″[1]
Расстояние 282,239 ± 2,1508 пк[1]
Видимая звёздная величина (V) 6,802 ± 0,01[2]
Созвездие Дева
Астрометрия
Лучевая скорость (Rv) −2,7 ± 0,17 км/с[3]
Собственное движение
 • прямое восхождение 14,818 ± 0,031 mas/год[1]
 • склонение −45,653 ± 0,022 mas/год[1]
Параллакс (π) 3,5431 ± 0,027 mas[1]
Абсолютная звёздная величина (V) −0,17
Спектральные характеристики
Спектральный класс K5/M0III[4]
Показатель цвета
 • B−V 1,579
Физические характеристики
Радиус 22,96 R☉
Коды в каталогах

GCRV 7627, GSC 05528-01385, HD 110418, HIC 61969, HIP 61969, IRAS 12393-0713, IRC -10271, 2MASS J12415769-0730010, PMC 90-93 6090, PPM 195748, SAO 138920, SRS 11150, YZ 97 4623, WEB 11020, Gaia DR2 3676224347309929856, 28 Vir, Gaia DR3 3676224347309929856, TIC 156583079, GC 17277, TYC 5528-1385-1, BD-06 3626, GEN# +1.00110418, HERZ 1676 и SKY# 23682

Информация в базах данных
SIMBAD * 28 Vir
Логотип Викиданных Информация в Викиданных ?

28 Девы (лат. 28 Virginis), HD 110418 — одиночная звезда в созвездии Девы на расстоянии приблизительно 920 световых лет (около 282 парсек) от Солнца. Визуальная звёздная величина звезды — +6,822m[5].

Характеристики

28 Девы — красно-оранжевый гигант спектрального класса K5-M0III[6], или K5[7][8][9], или M1[10]. Масса — около 1,331 солнечной, радиус — около 56,911 солнечного, светимость — около 400,587 солнечной. Эффективная температура — около 3877 K[3].

Планетная система

В 2019 году учёными, анализирующими данные проектов Hipparcos и Gaia, у звезды обнаружена планета HIP 61969 b[5].

Планета
 Масса
(MJ) 		Радиус
(RJ) 		Период обращения
(суток) 		Большая полуось
орбиты (а.е.) 		Эксцентриситет
орбиты
HIP 61969 b 10,95 - - 1,645 -

Примечания

  1. ↑ 1 2 3 4 5 6 Gaia Early Data Release 3 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2020.
  2. ↑ Høg E., Fabricius C., Makarov V. V., Urban S., Corbin T., Wycoff G., Bastian U., Schwekendiek P., Wicenec A. The Tycho-2 catalogue of the 2.5 million brightest stars (англ.) // Astronomy and Astrophysics / T. Forveille — EDP Sciences, 2000. — Vol. 355. — P. L27—L30. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846
  3. ↑ 1 2 Gaia Data Release 2 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2018.
  4. ↑ Houk N., Swift C. Michigan catalogue of two-dimensional spectral types for the HD Stars (англ.) — 1999. — Vol. 5.
  5. ↑ 1 2 Kervella P., Arenou F., Mignard F., Thévenin F. Stellar and substellar companions of nearby stars from Gaia DR2. Binarity from proper motion anomaly (англ.) // Astronomy and Astrophysics / T. Forveille — EDP Sciences, 2019. — Vol. 623. — P. 72–72. — 23 p. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846 — doi:10.1051/0004-6361/201834371 — arXiv:1811.08902
  6. ↑ Cruzalèbes P., Petrov R. G., Robbe-Dubois S., Varga J., Burtscher L., Allouche F., Berio P., Hofmann, K. -H., Hron J., Jaffe W. et al. A catalogue of stellar diameters and fluxes for mid-infrared interferometry (англ.) // Monthly Notices of the Royal Astronomical Society / D. Flower — OUP, 2019. — Vol. 490, Iss. 3. — P. 3158—3176. — ISSN 0035-8711; 1365-2966 — doi:10.1093/MNRAS/STZ2803 — arXiv:1910.00542
  7. ↑ Cannon A. J., Pickering E. C. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925) (англ.) // Annals of the Astronomical Observatory of Harvard College — 1918. — Vol. 91-100.
  8. ↑ Roeser S., Bastian U. PPM (Positions and Proper Motions) North Star Catalogue (англ.) // Astronomy and Astrophysics / T. Forveille — EDP Sciences, 1988. — Vol. 74. — P. 449. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846
  9. ↑ Perryman, M. A. C., Lindegren L., Kovalevsky J., Hoeg E., Bastian U., Bernacca P. L., Crézé M., Donati F., Grenon M., Grewing M. et al. The HIPPARCOS Catalogue (англ.) // Astronomy and Astrophysics / T. Forveille — EDP Sciences, 1997. — Vol. 323. — P. L49—L52. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846
  10. ↑ Duflot M., Figon P., Meyssonnier N. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue (англ.) // Astronomy and Astrophysics / T. Forveille — EDP Sciences, 1995. — Vol. 114. — P. 269–280. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846

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