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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Coma Berenices » 

7 Comae Berenices

Altitude: 60.3°   Azimuth: 207.5°   Direction: South-South-West

7 Comae Berenices is a giant star in the constellation of Coma Berenices.

7 Comae Berenices visual magnitude is 4.95. Because of its moderate brightness, 7 Comae Berenices should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about 7 Comae Berenices:

4.95
Giant

7 Comae Berenices is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 60.3°
Azimuth: 207.5°
Direction: South-South-West

Celestial coordinates and finder chart of 7 Comae Berenices

7 Comae Berenices is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 7 Comae Berenices are provided in the following table:

12h 16m 20s
+23° 56’ 43”
232.9°
81.47°
Coma Berenices

The simplified sky map below shows the position of 7 Comae Berenices in the sky:

Finder chart 7 Comae Berenices star
Simplified finder chart for 7 Comae Berenices.

Visibility of 7 Comae Berenices from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 7 Comae Berenices rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 66.1°
Max altitude: 62.5°
Azimuth: 293.9°

Digitized Sky Survey image of 7 Comae Berenices

The image below is a photograph of 7 Comae Berenices from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 7 Comae Berenices is -0.027 arcsec per year in Right Ascension and -0.007 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 7 Comae Berenices star
DSS2 image of 7 Comae Berenices. The red arrow shows the motion of 7 Comae Berenices during the next 10000 years (-4.50 arcmin in Right Ascension and -1.17 arcmin in declination);

Distance of 7 Comae Berenices from the Sun and relative movement

7 Comae Berenices is distant 248.48 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

76.22 pc
248.48 ly
-28 km/s
-0.027 arcsec/year
-0.007 arcsec/year

Spectral properties of 7 Comae Berenices

7 Comae Berenices belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.

0.54
G8III
4816K

The red dot in the diagram below shows where 7 Comae Berenices is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 7 Comae Berenices. Attribution: Richard Powell / CC BY-SA

Alternative designations of 7 Comae Berenices

7 Comae Berenices
SAO82211
SAO82211