Star Eta Scorpii
Subgiant Eta Scorpii is located 73 light years away from the Sun.
It is a single star of spectral class F5IV, that has 175 % of solar mass.
For now, there are no known exoplanets in this star system.
More about Eta Scorpii
Nearby star Eta Scorpii is a main sequence star that fuses hydrogen atoms into helium. It is is approximately 3 times bigger than the Sun and temperature on its surface is around 6533 K (6260 °C), which is about 113 % of Sun's temperature.
Eta Scorpii can be found in southern celestial hemisphere, and it is possible to see it with naked eye. The star is also observable from Northern America, Europe and Asia.
Other designations of this star
η Sco, eta Sco, CD−43 11485, FK5 638, GJ 657, Gliese 657, HD 155203, HIP 84143, HR 6380, SAO 227707, Gaia EDR3 5965222838410499328
External sources
Simbad database (* eta Sco)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
Class of stars Subgiant
A subgiant is a term used to describe a luminous star that is typically running out of hydrogen for nuclear fusion and is thus departing from the main sequence. These stars are classified as Yerkes luminosity class IV.
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Right ascension: 17h 12m 9.227s
Declination: -43° 14' 25.69'' (southern hemisphere)
Parallax: 44.571
Sun distance: 73.176 ly | 22.4 pc
Temperature: 6533 K | 1.13 T Sun
Age: 1.1 billions years | 0.24 Sun
Luminosity: 17.94 L Sun
Apparent magnitude (V): 3.3
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