Antares

21Alp Sco

Antares 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, Antares resides within the broader disk of our Milky Way galaxy.

Antares is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.

Antares 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.

物理特性

光谱类型 Class M — M-type (Red)
色指数 (B−V) 1.865

观测

视星等 +1.06
绝对星等 -5.09
距离 554 ly
星座 Scorpius

位置

赤经 16h 29.41m
赤纬 -26° 25.92′

Related Chemistry

Explore the chemical elements connected to Antares on our sister site ChemFYI.

Part of the Science FYI Family

常见问题

What type of star is Antares?
Antares is a Class M — M-type (Red) star.
How far is Antares from Earth?
Antares is approximately 553.8 light-years from Earth.
Can you see Antares with the naked eye?
With an apparent magnitude of 1.06, Antares is visible to the naked eye.
What constellation is Antares in?
Antares is located in the constellation Scorpius.