2.05
Apparent Mag228
Distance (ly)B2.5V
Spectral Type18,890
Temperature (K)Nunki is the second-brightest star in Sagittarius with a name of Babylonian origin, one of the oldest star names still in use.
Stellar Data
Apparent Magnitude2.05
Absolute Magnitude-2.14
Distance228 light-years
Spectral TypeB2.5V
Temperature18,890 K
Luminosity3,300 L☉
Radius4.5 R☉
Mass7.8 M☉
Right Ascension18h 55m 15.9s
Declination-26° 17′ 48.2″
ConstellationSagittarius
Notable Facts
- Nunki has one of the oldest star names, of Babylonian origin
- It is one of the hottest stars easily visible to the naked eye
- The name dates back over 4,000 years