The star β-Com
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 , β-Com will become visible around 21:31 (EDT), 40° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:36.
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|
Name
β-Com
|
Object Type
Star
|
Position
| Constellation: | Coma Berenices |
| Magnitude: | 4.25 (V) [2] 4.95 (BT) [2] 4.30 (VT) [2] 4.02 (G) [4] 4.41 (BP) [4] 3.66 (RP) [4] |
| B-V Color (mag): | 0.55 |
| Right ascension: | 13h11m51s [4] |
| Declination: | +27°52'55" [4] |
| Distance: | 9.2 parsec 29.9 lightyrs [4] |
| Proper motion (speed): | 1193.4 mas/yr [4] |
| Proper motion (pos ang): | 317.7° |
Derived Quantities
| Absolute mag (V): | 4.43 |
Visibility from Cambridge
All times shown in Cambridge local time.