Object | Rigel | Sun |
---|---|---|
Type | Star, blue supergiant | Star, yellow dwarf |
Age | 8 million years | 4.6 billion years |
Diameter | 109,882,767 km | 1,392,684 km |
Mean radius | 54,941,383 km | 696,342 km |
Mass | 4.15 × 1031 kg | 1.98 × 1030 kg |
Surface temperature (average) |
12,100 K 11,826 °C 21320 °F |
5,778 K 5,504 °C 9,940 °F |
Surface gravity | 0.56 m/s² | 274.4 m/s² |
Atmosphere composition | hydrogen, helium, magnesium |
73% hydrogen, 25% helium, 0.8% oxygen, 0.3% carbon |
Sun distance | 864.3 light years | 0 km |
Luminosity | 4.58 × 1026 W | 3.82 × 1026 W |
Distance from the Milky Way center | - | 27,200 light years |
Metallicity | -0.06 | 0.0122 |
Spectral classification | B8 Ia | G2V |
Absolute magnitude | -7.84 | 4.83 |
Right ascension | 05h 14m 32.27210s | 19h 4m 30s |
Declination | −08° 12′ 05.8981″ | +63.87° |