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public  San Mariano, Philippines San Mariano, Philippines  ⓘ
TimezoneAsia/Manila
Sunrise: 5:27 
Transit: 11:41 
Sunset: 17:56
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All Constellations » Coma Berenices » 

α Comae Berenices (alpha Comae Berenices)

Above the horizon.  Rise: 11:17 | Tran: 17:25 | Set: 23:32
Alt: 68.29°   Az: 61.02°   Direction: East-North-East

α Comae Berenices is a variable and multiple main-sequence star of spectral class F5 in the constellation of Coma Berenices.

α Comae Berenices visual magnitude is 5.22. Because of its faintness, α Comae Berenices is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of α Comae Berenices (alpha Comae Berenices) star
DSS2 image of α Comae Berenices. The red arrow shows the motion of α Comae Berenices during the next 1000 years (-7.17 arcmin in Right Ascension and 2.27 arcmin in declination);

Celestial Coordinates

Apparent

13h 11m 14s
+17° 23’ 38”
22h 40m 43s
11h 51m 57s

J2000

13h 09m 59s
+17° 31’ 45”

Galactic Coordinates

327.96°
79.49°

Finder Chart

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Finder chart for α Comae Berenices (alpha Comae Berenices).

Magnitude, Color, Spectral Class

5.22
Main-sequence

4.44
F5V
10125K

The red dot in the diagram below shows where α Comae Berenices is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of α Comae Berenices. Attribution: Richard Powell / CC BY-SA

Star System Properties

α Comae Berenices is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the α Comae Berenices double sysyem:

5.22
5.32
0.1
0.2 arcsec

Distance, Radial Speed, Proper Motion

α Comae Berenices is distant 46.70 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

14.32
46.70
-18 km/s
-0.43 arcsec/y
0.136"/y

Alternative Designations

α Comae Berenices
(alpha Comae Berenices)
42 Comae Berenices
SAO100443
SAO100443
Gl 501 B

Visibility from Your Location

Today's α Comae Berenices (alpha Comae Berenices) rise, transit and set times from San Mariano, Philippines are the following (all times relative to the local timezone Asia/Manila):

Azimuth: 72.6°
Max altitude: 80.1°
Azimuth: 287.4°