Antarès
21Alp Sco
Antarès is a M-type (Red) star located in the constellation Scorpius. It carries the designation 21Alp Sco.
Located approximately 553.8 light-years from Earth, Antarès resides within the broader disk of our Milky Way galaxy.
Antarès is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
Antarès has an apparent magnitude of +1.06, making it a bright and prominent star that is readily visible to the naked eye. It is one of the more conspicuous stars in its region of the sky. Observers will note its red hue, which corresponds to a B-V color index of +1.865.
Propriétés physiques
| Classe Spectrale | Class M — M-type (Red) |
| Indice de couleur (B−V) | 1,865 |
Observation
| Magnitude Apparente | +1.06 |
| Magnitude Absolue | -5,09 |
| Distance | 554 ly |
| Constellation | Scorpius |
Position
| Ascension droite | 16h 29,41m |
| Déclinaison | -26° 25,92′ |
Related Chemistry
Explore the chemical elements connected to Antarès on our sister site ChemFYI.
TiO bands dominate the spectrum of this M-type supergiant
Iron peak elements from advanced nucleosynthesis stages
Oxygen combines with titanium forming prominent TiO molecules
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