U Андромеды
U Андромеды | |
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Звезда | |
U Андромеды (лат. U Andromedae), HD 7482 — одиночная переменная звезда[1][2][3][4][5] в созвездии Андромеды на расстоянии (вычисленном из значения параллакса) приблизительно 2212 световых лет (около 678 парсеков) от Солнца. Видимая звёздная величина звезды — от +15m до +9m[6].
Характеристики
U Андромеды — красный гигант, пульсирующая переменная звезда, мирида (M)[7][8][9][10] спектрального класса M6e[6][11][12][13], или Md[14], или Me[15]. Эффективная температура — 3288 К[16].
Примечания
- ↑ Heather A. Flewelling (2018), A First Catalog of Variable Stars Measured by the Asteroid Terrestrial-impact Last Alert System (ATLAS), The Astronomical Journal Т. 156 (5): 241
- ↑ A classification of miras from their visual and near-infrared light curves : an attempt to correlate them with their evolution, Astronomy and Astrophysics Т. 144: 463–470, 1985
- ↑ Main-line OH emission in long-period variables and infrared stars. I. Discovery of new 1665/1667 MHz OH/IR sources, The Astronomical Journal Т. 82: 150–157, 1977
- ↑ A study of Mira variables. Implications for OH stars and galactic evolution, Astronomy and Astrophysics Т. 43: 175–188, 1975
- ↑ An observational study of Mira variables. I. The near-infrared photometry, The Astrophysical Journal Supplement Series Т. 25: 369–392, 1973
- ↑ 6,0 6,1 U And Архивная копия от 12 сентября 2019 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 Архивировано 23 декабря 2012 года. Accessed online 2020-12-11.
- ↑ Matthew Templeton (2005), Secular Evolution in Mira Variable Pulsations, The Astronomical Journal Т. 130 (2): 776–788
- ↑ IRAS low resolution spectrograph spectral class and M and S Miras, Astronomy and Astrophysics Т. 209: 165–172, 1989
- ↑ Criteria for OH maser emission from circumstellar envelopes of oxygen-rich Mira-type red giants, Astronomy and Astrophysics Т. 206: 285–297, 1988
- ↑ Classification of Mira variables based on visual light curve shape, vol. 73, 1988, с. 181–194
- ↑ Dearborn Observatory Catalogue of faint red stars (parts 1A, 1B and 1C), vol. 5, 1947, с. 1
- ↑ 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
- ↑ Classification and Identification of IRAS Sources with Low-Resolution Spectra, The Astrophysical Journal Supplement Series Т. 112 (2): 557-584, 1997
- ↑ 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.
- ↑ Mira kinematics from Hipparcos data: a Galactic bar to beyond the Solar circle, Monthly Notices of the Royal Astronomical Society Т. 317: 460–487, 2000
- ↑ Gaia Data Release 2 (англ.) / Data Processing and Analysis Consortium, European Space Agency — 2018.