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G 12-30

G 12-30 (GL Virginis) is a red dwarf star of spectral type M5V, located in constellation Virgo at 21.3 light-years from Earth. [1]

8 relations: Light-year, Minute and second of arc, Parsec, Red dwarf, Stellar classification, The Astrophysical Journal, Virgo (constellation), 1 petametre.

Light-year

A light-year (abbreviation: ly), sometimes written light year, is a unit of length used informally to express astronomical distances.

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Minute and second of arc

A minute of arc (MOA), arcminute (arcmin) or minute arc is a unit of angular measurement equal to one-sixtieth of one degree.

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Parsec

A parsec (symbol: pc) is a unit of length used to measure the astronomically large distances to objects outside the Solar System.

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Red dwarf

A red dwarf is a small and relatively cool star on the main sequence, either late K or M spectral type.

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Stellar classification

In astronomy, stellar classification is the classification of stars based on their spectral characteristics.

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The Astrophysical Journal

The Astrophysical Journal, often abbreviated ApJ (pronounced "ap jay") in references and speech, is a peer-reviewed scientific journal of astrophysics, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler.

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Virgo (constellation)

Virgo is one of the constellations of the zodiac.

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1 petametre

To help compare different distances this page lists lengths starting at 1015 m (1 Pm or 1,000,000 million km or 6685 astronomical units (AU) or 0.11 light years).

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Redirects here:

GJ 1156, GL Vir, GL Virginis.

References

[1] https://en.wikipedia.org/wiki/G_12-30

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