β Comae Berenices (beta Comae Berenices)

Above the horizon. Rise: 9:34 | Tran: 17:42 | Set: 1:50

Alt: 71.00° Az: 200.95° Direction: South-South-West

β Comae Berenices is a double main-sequence star of spectral class F9 in the constellation of Coma Berenices.

β Comae Berenices visual magnitude is 4.26. Because of its moderate brightness, β Comae Berenices is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of β Comae Berenices (beta Comae Berenices) star

DSS2 image of β Comae Berenices. The red arrow shows the motion of β Comae Berenices during the next 1000 years (-13.35 arcmin in Right Ascension and 14.70 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 13h 13m 05s

Declination +27° 44’ 35”

Hour Angle 00h 30m 13s

Sidereal Time 13h 43m 18s

J2000

Right Ascension 13h 11m 52s

Declination +27° 52’ 41”

Galactic Coordinates

Galactic Longitude 43.33°

Galactic Latitude 85.4°

Finder Chart

Loading map...

Finder chart for β Comae Berenices (beta Comae Berenices).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.26

Class Main-sequence

Absolute magnitude 4.45

Spectral Type F9V

Color Index (B-V) 0.57

Temperature 6088K

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

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

Star System Properties

β Comae Berenices is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the β Comae Berenices double sysyem:

Main star magnitude 4.26

Secondary star magnitude 10.06

Magnitude difference 5.8

Separation 90.8 arcsec

Distance, Radial Speed, Proper Motion

β Comae Berenices is distant 29.85 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

Distance (parsec) 9.15

Distance (light year) 29.85

Radial Speed 6 km/s

Proper Motion RA -0.801 arcsec/y

Proper Motion Dec 0.882"/y

Alternative Designations

Bayer designation β Comae Berenices
(beta Comae Berenices)

Flamsteed designation 43 Comae Berenices

Henry Draper Catalogue HD114710

SAO Catalogue SAO82706

Hipparcos Catalogue HIP64394

Durchmusterung Catalogue BD+28 2193

Gliese Catalogue Gl 502

FK5 Catalogue 492

Visibility from Your Location

Today's β Comae Berenices (beta Comae Berenices) rise, transit and set times from Wanbaohe, China are the following (all times relative to the local timezone Asia/Shanghai):

Azimuth: 62.3° RISE 9:34

Max altitude: 72.0° TRANSIT 17:42

Azimuth: 297.7° SET 1:50

Name:	Wanbaohe, China
Latitude:	45° 46' 33.6" N
Longitude:	130° 58' 8.4" E
Timezone:	Asia/Shanghai

Set Location

Other stars in Coma Berenices