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.

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

Right Ascension 13h 07m 36s

Declination +22° 28’ 51”

Hour Angle 22h 37m 06s

Sidereal Time 11h 44m 43s

J2000

Right Ascension 13h 06m 22s

Declination +22° 36’ 57”

Galactic Coordinates

Galactic Longitude 340.64°

Galactic Latitude 84.36°

Finder Chart

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Finder chart for 40 Comae Berenices.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.6

Class Giant

Absolute magnitude -0.62

Spectral Type M5III

Color Index (B-V) 1.59

Temperature 3663K

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

Distance (parsec) 175.44

Distance (light year) 571.93

Radial Speed -5 km/s

Proper Motion RA 0.025 arcsec/y

Proper Motion Dec -0.049"/y

Alternative Designations

Flamsteed designation 40 Comae Berenices

Henry Draper Catalogue HD113866

SAO Catalogue SAO82651

Hipparcos Catalogue HIP63950

Durchmusterung Catalogue BD+23 2538

Gliese Catalogue Gl 499.1

General Catalogue of Variable Stars FS Com

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° RISE 14:37

Max altitude: 61.0° TRANSIT 22:40

Azimuth: 292.5° SET 6:46

Set Location

Other stars in Coma Berenices