24 Comae Berenices

Above the horizon. Rise: 4:34 | Tran: 12:10 | Set: 19:45

Alt: 56.30° Az: 167.98° Direction: South-South-East

24 Comae Berenices is a variable and double giant star of spectral class K2 in the constellation of Coma Berenices.

24 Comae Berenices visual magnitude is 5.02. Because of its faintness, 24 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 24 Comae Berenices. The red arrow shows the motion of 24 Comae Berenices during the next 10000 years (-1.00 arcmin in Right Ascension and 3.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 36m 22s

Declination +18° 14’ 26”

Hour Angle 23h 32m 02s

Sideral Time 12h 08m 25s

J2000

Right Ascension 12h 35m 07s

Declination +18° 22’ 36”

Galactic Coordinates

Galactic Longitude 278.86°

Galactic Latitude 80.48°

Finder Chart

Simplified finder chart for 24 Comae Berenices.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.02

Class Giant

Absolute magnitude -1.35

Spectral Type K2III

Color Index (B-V) 1.15

Temperature 4409K

The red dot in the diagram below shows where 24 Comae Berenices is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 24 Comae Berenices. Attribution: Richard Powell / CC BY-SA

Star System Properties

24 Comae Berenices is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 24 Comae Berenices double sysyem:

Main star magnitude 5.02

Secondary star magnitude 6.52

Magnitude difference 1.5

Separation 20.2 arcsec

Distance, Radial Speed, Proper Motion

24 Comae Berenices is distant 613.94 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

Distance (parsec) 188.32

Distance (light year) 613.94

Radial Speed 4 km/s

Proper Motion RA -0.006 arcsec/y

Proper Motion Dec 0.023"/y

Alternative Designations

Flamsteed designation 24 Comae Berenices

Henry Draper Catalogue HD109511

SAO Catalogue SAO100160

Hipparcos Catalogue HIP61418

Durchmusterung Catalogue BD+19 2584

FK5 Catalogue 473

General Catalogue of Variable Stars 5748

Aitken Double Star Catalogue ADS8600

Visibility from Your Location

Today's 24 Comae Berenices rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 71.8° RISE 4:34

Max altitude: 56.8° TRANSIT 12:10

Azimuth: 288.2° SET 19:45

Set Location

Other stars in Coma Berenices