Y Волка
Внешний вид
| Y Волка | |
|---|---|
| Звезда | |
Y Волка (лат. Y Lupi), HD 132125 — одиночная переменная звезда[1][2][3][4] в созвездии Волка на расстоянии (вычисленном из значения параллакса) приблизительно 2247 световых лет (около 689 парсеков) от Солнца. Видимая звёздная величина звезды — от +15,2m до +8,2m[5].
Характеристики
Y Волка — красная пульсирующая переменная звезда, мирида (M)[6][7][8][9] спектрального класса M7e[5][10][11][12], или Md[13], или Me[14]. Эффективная температура — около 3288 K[15].
Примечания
- ↑ ERRATUM: "3.6 years of DIRBE near-infrared stellar light curves" (2010, ApJS, 190, 203), The Astrophysical Journal Supplement Series Т. 192: 13, 2011
- ↑ IRAS low resolution spectrograph spectral class and M and S Miras, Astronomy and Astrophysics Т. 209: 165–172, 1989
- ↑ A study of M Mira variables based on IRAS LRS observations. I. Dust formation in the circumstellar shell, Astronomy and Astrophysics Т. 218: 169–179, 1989
- ↑ A study of M Mira variables based on IRAS LRS observations. II. Modelfits and derived parameters for 109 Miras, vol. 81, 1989, с. 261–284
- ↑ 5,0 5,1 Y Lup, database entry, Combined General Catalog of Variable Stars (GCVS5.1, 2017 Ed.), N. N. Samus, O. V. Durlevich, et al., CDS ID II/250 Архивировано 23 декабря 2012 года. Accessed online 2021-03-01.
- ↑ Sergio Cristallo (2019), Interplay between pulsation, mass loss, and third dredge-up: More about Miras with and without technetium, Astronomy and Astrophysics Т. 622: A120
- ↑ Matthew Templeton (2005), Secular Evolution in Mira Variable Pulsations, The Astronomical Journal Т. 130 (2): 776–788
- ↑ Millimeter and some near infra-red observations of short-period Miras and other AGB stars, vol. 140, 1999, с. 197–224
- ↑ Emission features in IRAS LRS spectra of Mira variables, The Astronomical Journal Т. 99: 1173–1186, 1990
- ↑ 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
- ↑ Julia Alfonso-Garzón (2012), The first INTEGRAL-OMC catalogue of optically variable sources, Astronomy and Astrophysics Т. 548: 79–79
- ↑ The infrared spectral classification of oxygen-rich dust shells, The Astrophysical Journal Supplement Series Т. 119 (2): 141–158, 1998
- ↑ 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.
- ↑ The All Sky Automated Survey. Catalog of variable stars. I. 0h -6h quarter of the Southern hemisphere, Acta Astronomica Т. 52: 397–427, 2002
- ↑ Gaia Data Release 2 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2018.