0.61
Apparent Mag390
Distance (ly)B1III
Spectral Type25,000
Temperature (K)Hadar, also known as Agena, is the second-brightest star in Centaurus and the tenth-brightest in the night sky. It is a triple star system that helps point the way to the Southern Cross.
Stellar Data
Apparent Magnitude0.61
Absolute Magnitude-5.42
Distance390 light-years
Spectral TypeB1III
Temperature25,000 K
Luminosity41,700 L☉
Radius9 R☉
Mass12 M☉
Right Ascension14h 03m 49.4s
Declination-60° 22′ 22.9″
ConstellationCentaurus
Notable Facts
- Hadar is a triple star system with a combined luminosity over 40,000 times the Sun
- It is used along with Alpha Centauri as a pointer to the Southern Cross
- Also known by the name Agena