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
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom.
Click to enlarge.
From South El Monte , α-Com is visible in the dawn sky, rising at 03:20 (PST) – 2 hours and 50 minutes before the Sun – and reaching an altitude of 21° above the eastern horizon before fading from view as dawn breaks at around 05:09.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
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 South El Monte
All times shown in South El Monte local time.