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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:12 
Transit: 12:56 
Sunset: 20:41
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All Constellations » Coma Berenices » 

40 Comae Berenices

Above the horizon.  Rise: 14:37 | Tran: 22:40 | Set: 6:46
Alt: 56.87°   Az: 143.26°   Direction: South-East

40 Comae Berenices is a variable giant star of spectral class M5 in the constellation of Coma Berenices.

40 Comae Berenices visual magnitude is 5.6. Because of its faintness, 40 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 40 Comae Berenices star
DSS2 image of 40 Comae Berenices. The red arrow shows the motion of 40 Comae Berenices during the next 10000 years (4.17 arcmin in Right Ascension and -8.17 arcmin in declination);

Celestial Coordinates

Apparent

13h 07m 36s
+22° 28’ 51”
22h 37m 06s
11h 44m 43s

J2000

13h 06m 22s
+22° 36’ 57”

Galactic Coordinates

340.64°
84.36°

Finder Chart

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Finder chart for 40 Comae Berenices.

Magnitude, Color, Spectral Class

5.6
Giant

-0.62
M5III
3663K

The red dot in the diagram below shows where 40 Comae Berenices is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 40 Comae Berenices. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

40 Comae Berenices is distant 571.93 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

175.44
571.93
-5 km/s
0.025 arcsec/y
-0.049"/y

Alternative Designations

40 Comae Berenices
SAO82651
SAO82651
Gl 499.1

Visibility from Your Location

Today's 40 Comae Berenices rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 67.5°
Max altitude: 61.0°
Azimuth: 292.5°