The star β-Com
Color-magnitude diagram
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Ashburn , β-Com is visible in the dawn sky, rising at 04:11 (EDT) – 3 hours and 24 minutes before the Sun – and reaching an altitude of 22° above the eastern horizon before fading from view as dawn breaks around 06:30.
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|
Name
β-Com
|
Object Type
Star
|
Position
| Constellation: | Coma Berenices |
| Magnitude: | 4.25 (V) [1] 4.95 (BT) [1] 4.30 (VT) [1] 4.02 (G) [2] 4.41 (BP) [2] 3.66 (RP) [2] |
| B-V Color (mag): | 0.55 |
| Right ascension: | 13h11m51s [2] |
| Declination: | +27°52'55" [2] |
| Distance: | 9.2 parsec 29.9 lightyrs [2] |
| Proper motion (speed): | 1193.4 mas/yr [2] |
| Proper motion (pos ang): | 317.7° |
Derived Quantities
| Absolute mag (V): | 4.43 |
Visibility from Ashburn
All times shown in Ashburn local time.