4 Comae Berenices

Above the horizon. Rise: 9:35 | Tran: 18:01 | Set: 2:31

Alt: 7.70° Az: 57.75° Direction: East-North-East

4 Comae Berenices is a giant star of spectral class K4 in the constellation of Coma Berenices.

4 Comae Berenices visual magnitude is 5.66. Because of its faintness, 4 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.

DSS2 image of 4 Comae Berenices. The red arrow shows the motion of 4 Comae Berenices during the next 10000 years (-6.33 arcmin in Right Ascension and -5.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 13m 08s

Declination +25° 43’ 42”

Hour Angle 16h 33m 58s

Sidereal Time 04h 47m 06s

J2000

Right Ascension 12h 11m 51s

Declination +25° 52’ 13”

Galactic Coordinates

Galactic Longitude 218.78°

Galactic Latitude 81.06°

Finder Chart

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Finder chart for 4 Comae Berenices.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.66

Class Giant

Absolute magnitude -1.22

Spectral Type K4III

Color Index (B-V) 1.41

Temperature 3934K

The red dot in the diagram below shows where 4 Comae Berenices is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 4 Comae Berenices. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

4 Comae Berenices is distant 774.35 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

Distance (parsec) 237.53

Distance (light year) 774.35

Radial Speed 22 km/s

Proper Motion RA -0.038 arcsec/y

Proper Motion Dec -0.031"/y

Alternative Designations

Flamsteed designation 4 Comae Berenices

Henry Draper Catalogue HD105981

SAO Catalogue SAO82178

Hipparcos Catalogue HIP59468

Durchmusterung Catalogue BD+26 2316

FK5 Catalogue 2976

Visibility from Your Location

Today's 4 Comae Berenices rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 64.3° RISE 9:35

Max altitude: 64.2° TRANSIT 18:01

Azimuth: 295.7° SET 2:31

Set Location

Other stars in Coma Berenices