1.06
Apparent Mag550
Distance (ly)M1.5Iab-Ib
Spectral Type3,660
Temperature (K)Antares is a red supergiant and the brightest star in Scorpius. Its name means rival of Mars due to its reddish hue. If placed at the center of the Solar System, Antares would extend between the orbits of Mars and Jupiter.
Stellar Data
Apparent Magnitude1.06
Absolute Magnitude-5.28
Distance550 light-years
Spectral TypeM1.5Iab-Ib
Temperature3,660 K
Luminosity75,900 L☉
Radius680 R☉
Mass12.4 M☉
Right Ascension16h 29m 24.5s
Declination-26° 25′ 55.2″
ConstellationScorpius
Notable Facts
- The name Antares means rival of Mars due to its reddish appearance
- If Antares replaced the Sun, its surface would extend beyond the orbit of Mars
- It is a binary system with a hot blue companion star