Английская Википедия:60 Serpentis

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60 Serpentis, also known as c Serpentis, is a single,[1] orange-hued star in Serpens Cauda, the eastern section of the constellation Serpens. It is faintly visible to the naked eye with an apparent visual magnitude of 5.38.[2] The distance to this star, as estimated from its annual parallax shift of Шаблон:Val,[3] is approximately 130 light years. It is moving further from the Sun with a heliocentric radial velocity of +28 km/s,[4] having approached as close as Шаблон:Convert some 1.9 million years ago.[2]

This is an evolved K-type giant star with a stellar classification of K0 III,[5] having used up its core hydrogen and expanded. At the age of around 1.26 billion years, it currently belongs to the so-called "red clump", which indicates it is on the horizontal branch and is generating energy through helium fusion at its core.[6] The star has an estimated 1.8[7] times the mass of the Sun and 8[4] times the Sun's radius. It is radiating 35[4] times the Sun's luminosity from its enlarged photosphere at an effective temperature of about 5,059 K.[7]

References

Шаблон:Reflist

Шаблон:Stars of Serpens

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