Английская Википедия:GL Virginis
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GL Virginis, also known as G 12-30, is a star in the constellation of Virgo. It is a faint red dwarf, like more than 70% of the stars located within 10 parsecs of the Solar System; its magnitude visual magnitude is 13.898, making it impossible to see with the naked eye.
Located 21.1 light years away, GL Virginis has a spectral type of M4.5V and an effective temperature of approximately 3110 K.[1] Its luminosity (emitted in the visible section of the electromagnetic spectrum) is only one ten-thousandth compared to the Sun; however, since a significant fraction of its radiation is emitted as invisible infrared light, its bolometric luminosity increases to 0.5% of that of the Sun. Its mass is 12% that of the Sun[2] and its radius is 16% of the Sun.[3] It is a fairly rapid rotator: its rotational velocity is least 17 km/s,[3] which implies that it takes less than half a day to complete a rotation on its axis. The star is emitting a frequent flares, with at least five detected by 2019.[4]
The closest known star system to GL Virginis is Gliese 486, 6.4 light-years away.[5]
References
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<ref>; для сносокRECONSне указан текст - ↑ 3,0 3,1 Ошибка цитирования Неверный тег
<ref>; для сносокReinersне указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокMartinez2019не указан текст - ↑ Stars within 15 light-years of Gliese & Jahreiss 1156 (The Internet Stellar Database)
- Английская Википедия
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- M-type main-sequence stars
- Gliese and GJ objects
- Objects with variable star designations
- 2MASS objects
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