1.79
Apparent Mag124
Distance (ly)K0III
Spectral Type4,660
Temperature (K)Dubhe is one of the two pointer stars of the Big Dipper that point toward Polaris. It is an orange giant binary system.
Stellar Data
Apparent Magnitude1.79
Absolute Magnitude-1.1
Distance124 light-years
Spectral TypeK0III
Temperature4,660 K
Luminosity316 L☉
Radius30 R☉
Mass4.25 M☉
Right Ascension11h 03m 43.7s
Declination+61° 45′ 03.7″
ConstellationUrsa Major
Notable Facts
- Dubhe and Merak form the pointer stars that lead to Polaris
- Its name comes from Arabic meaning bear
- It is a binary star with a main-sequence companion