DE Близнецов

DE Близнецов
Звезда
Наблюдательные данные
(Эпоха J2000.0)
Прямое восхождение 6ч 43м 39,49с[1]
Склонение +22° 56′ 6,80″[1]
Расстояние 651,9755 ± 47,5231 пк[1]
Видимая звёздная величина (V) 10,01 ± 0,04[2]
Созвездие Близнецы
Астрометрия
Собственное движение
 • прямое восхождение −0,439 ± 0,187 mas/год[1]
 • склонение −6,576 ± 0,168 mas/год[1]
Параллакс (π) 1,5338 ± 0,1118 mas[1]
Спектральные характеристики
Спектральный класс M4[3]
Показатель цвета
 • B−V 1,5
Переменность медленная неправильная поздних спектральных классов[вд][4]
Коды в каталогах

BD+23 1470, HD 262556, IRAS 06406+2259, IRC +20158, SV* SVS 781, SV* P 2891, 2MASS J06433948+2256067, TYC 1893-1647-1, Gaia DR2 3379493612405885568, DE Gem и TIC 457003356

Информация в базах данных
SIMBAD V* DE Gem
Логотип Викиданных Информация в Викиданных ?

DE Близнецов (лат. DE Geminorum, HD 262556) — одиночная переменная звезда в созвездии Близнецов на расстоянии приблизительно 2 126 световых лет (около 652 парсек) от Солнца. Видимая звёздная величина звезды — от +12,7m до +10,2m[5].

Характеристики

DE Близнецов — красный гигант, пульсирующая медленная неправильная переменная звезда (LB) спектрального класса M6III:[5][6][7][8], или M4[9][10]. Эффективная температура — около 3294 К[1].

Примечания

  1. ↑ 1 2 3 4 5 6 7 Gaia Data Release 2 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2018.
  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. ↑ 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.
  4. ↑ Kukarkin B. V., Kholopov P. N., Pskovsky Y. P., Efremov Y. N., Kukarkina N. P., Kurochkin N. E., Medvedeva G. I. General Catalogue of Variable Stars, 3rd ed. — 1971.
  5. ↑ 1 2 DE Gem Архивная копия от 4 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 2022-04-02.
  6. ↑ 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
  7. ↑ Kwok S., Volk K., Bidelman W. P. Classification and Identification of IRAS Sources with Low-Resolution Spectra (англ.) // The Astrophysical Journal: Supplement Series — AAS, 1997. — Vol. 112, Iss. 2. — P. 557—584. — ISSN 0067-0049; 1538-4365 — doi:10.1086/313038
  8. ↑ Herbig G. H. Spectral classifications for 112 variable stars (англ.) // The Astrophysical Journal / E. Vishniac — IOP Publishing, 1960. — Vol. 131. — P. 632–637. — ISSN 0004-637X; 1538-4357 — doi:10.1086/146876
  9. ↑ 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
  10. ↑ Alfonso-Garzón J., Domingo A., Mas-Hesse J. M., Giménez A. The first INTEGRAL-OMC catalogue of optically variable sources (англ.) // Astronomy and Astrophysics / T. Forveille — EDP Sciences, 2012. — Vol. 548. — P. 79–79. — 13 p. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846 — doi:10.1051/0004-6361/201220095 — arXiv:1210.0821

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