Sirius (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , Sirius is not observable – it will reach its highest point in the sky during daytime and is 23° below the horizon at dusk.
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|
Name
Sirius
|
Object type
Star
|
Position
| Right ascension: | 06h45m09s [2] |
| Declination: | −16°42'47" [2] |
| Constellation: | Canis Major |
| Magnitude: | -1.44 (V) [2] |
| Distance: | 2.6 parsec 8.6 lightyrs [3] |
| B-V Color (mag): | 0.01 |
| Proper motion (speed): | 1.34 arcsec/yr[3] |
| Proper motion (pos ang): | 204.1° |
Derived quantities
| Absolute mag (V): | 1.45 |
Visibility from Cambridge
All times shown in Cambridge local time.