α-Com (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 , α-Com is visible all night. It will become visible at around 20:47 (EDT), 44° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 23:44, 65° above your southern horizon. It will be lost to dawn twilight at around 04:36, 24° above your western horizon.
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|
Name
α-Com
|
Object type
Star
|
Other names
Position
| Right ascension: | 13h09m59s [2] |
| Declination: | +17°31'45" [2] |
| Constellation: | Coma Berenices |
| Magnitude: Variable | 4.38 (V) [2] 4.92 (BT) [2] 4.43 (VT) [2] |
| Distance: | 17.8 parsec 58.1 lightyrs [3] |
| B-V Color (mag): | 0.41 |
| Proper motion (speed): | 455.6 mas/yr[3] |
| Proper motion (pos ang): | 288.1° |
Derived quantities
| Absolute mag (V): | 3.13 |
Visibility from Cambridge
All times shown in Cambridge local time.