1.77
Apparent Mag82.6
Distance (ly)A1III-IVp
Spectral Type9,020
Temperature (K)Alioth is the brightest star of the Big Dipper's seven stars. It is a peculiar star with unusual chemical composition and a weak magnetic field.
Stellar Data
Apparent Magnitude1.77
Absolute Magnitude-0.2
Distance82.6 light-years
Spectral TypeA1III-IVp
Temperature9,020 K
Luminosity108 L☉
Radius4.14 R☉
Mass2.91 M☉
Right Ascension12h 54m 01.7s
Declination+55° 57′ 35.4″
ConstellationUrsa Major
Notable Facts
- Alioth is the brightest star in the Big Dipper asterism
- It is a chemically peculiar Alpha2 Canum Venaticorum variable
- Its spectrum shows enhanced chromium and europium