Sirius (Star)
Color-magnitude diagram
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , Sirius is difficult to observe as it will appear no higher than 10° above the horizon. It is visible in the dawn sky, rising at 04:27 (EDT) – 1 hour and 33 minutes before the Sun – and reaching an altitude of 10° above the south-eastern horizon before fading from view as dawn breaks around 05:41.
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|
Name
Sirius
|
Object Type
Star
|
Position
| Constellation: | Canis Major |
| Magnitude: | -1.44 (V) [1] |
| B-V Color (mag): | 0.01 |
| Right ascension: | 06h45m09s [1] |
| Declination: | -16°42'47" [1] |
| Distance: | 2.6 parsec 8.6 lightyrs [2] |
| Proper motion (speed): | 1339.4 mas/yr [2] |
| Proper motion (pos ang): | 204.1° |
Derived Quantities
| Absolute mag (V): | 1.45 |