Sirius (Star)
Color-magnitude diagram
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom.
Click to enlarge.
From Ashburn (click to change), Sirius is difficult to observe as it will appear no higher than 9° above the horizon. It is visible in the dawn sky, rising at 05:04 (EDT) – 1 hour and 19 minutes before the Sun – and reach an altitude of 9° above the south-eastern horizon before fading from view as dawn breaks at around 06:04.
|
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 lightyears [1] |
| Proper motion (speed): | 1339.4 mas/yr [1] |
| Proper motion (pos ang): | 204.1° |
Derived Quantities
| Absolute Mag (V): | 1.45 |
Source