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G 161-71 is a red dwarf star, located in constellation Hydra at 6.2 parsecs (20.2 light-years) from Earth. [1]

10 relations: Astronomy and Astrophysics, Epoch (astronomy), Hydra (constellation), Light-year, Minute and second of arc, Parsec, Red dwarf, The Astronomical Journal, The Astrophysical Journal, 1 petametre.

Astronomy and Astrophysics

Astronomy and Astrophysics is a peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics.

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Epoch (astronomy)

In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the celestial coordinates or elliptical orbital elements of a celestial body, because these are subject to perturbations and vary with time.

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Hydra (constellation)

Hydra is the largest of the 88 constellations, measuring 1303 square degrees.

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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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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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The Astronomical Journal

The Astronomical Journal (often abbreviated AJ in scientific papers and references) is a peer-reviewed monthly scientific journal owned by the American Astronomical Society and currently published by IOP Publishing.

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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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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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[1] https://en.wikipedia.org/wiki/G_161-71

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