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Арктур

З Вікіпедыі, свабоднай энцыклапедыі
Арктур
Выява
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][…]
Лагатып Вікісховішча Медыяфайлы на Вікісховішчы

Арктур, α Валапасазорка 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

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