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HD 163376
Star in the constellation of Scorpius
Star in the constellation of Scorpius
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HD 163376 is a single star in the southern constellation of Scorpius. It has a ruddy hue and is faintly visible to the naked eye with an apparent visual magnitude of 4.88. The distance to this star, as determined using parallax measurements, is approximately 450 light years. It is drifting further from the Sun with a radial velocity of about 4 km/s. The absolute magnitude of this star is −0.82.
This object is an aging red giant star with a stellar classification of M0 III, having exhausted the supply of hydrogen at its core then cooled and expanded. At present it has a radius around 61 times the radius of the Sun. It is a suspected variable star of unknown type, with a brightness that has been measured ranging from 4.94 down to 4.98. The star is radiating 832 times the Sun's luminosity from its photosphere at an effective temperature of 3,972 K.
References
References
- {{Cite Gaia DR2. 5956774809566183296
- "HD 163376".
- (2019). "Photo-astrometric distances, extinctions, and astrophysical parameters for Gaia DR2 stars brighter than G = 18". Astronomy and Astrophysics.
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