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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:58 
Transit: 12:56 
Sunset: 20:55
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All Constellations » Corona Borealis » 

γ Coronae Borealis (gamma Coronae Borealis)

Above the horizon.  Rise: 16:06 | Tran: 0:36 | Set: 9:10
Alt: 1.71°   Az: 47.77°   Direction: North-East

γ Coronae Borealis is a variable and double sub-giant star of spectral class B9 in the constellation of Corona Borealis.

γ Coronae Borealis visual magnitude is 3.84. Because of its moderate brightness, γ Coronae Borealis 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 γ Coronae Borealis (gamma Coronae Borealis) star
DSS2 image of γ Coronae Borealis. The red arrow shows the motion of γ Coronae Borealis during the next 1000 years (-1.75 arcmin in Right Ascension and 0.75 arcmin in declination);

Celestial Coordinates

Apparent

15h 43m 48s
+26° 12’ 58”
15h 42m 21s
07h 26m 09s

J2000

15h 42m 44s
+26° 17’ 44”

Galactic Coordinates

41.74°
51.92°

Finder Chart

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Finder chart for γ Coronae Borealis (gamma Coronae Borealis).

Magnitude, Color, Spectral Class

3.84
Sub-giant

0.60
B9IV
10125K

The red dot in the diagram below shows where γ Coronae Borealis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of γ Coronae Borealis. Attribution: Richard Powell / CC BY-SA

Star System Properties

γ Coronae Borealis is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the γ Coronae Borealis double sysyem:

3.84
5.34
1.5
0.2 arcsec

Distance, Radial Speed, Proper Motion

γ Coronae Borealis is distant 145.02 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

44.48
145.02
-11 km/s
-0.105 arcsec/y
0.045"/y

Alternative Designations

γ Coronae Borealis
(gamma Coronae Borealis)
8 Coronae Borealis
SAO83958
SAO83958

Visibility from Your Location

Today's γ Coronae Borealis (gamma Coronae Borealis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 63.8°
Max altitude: 64.7°
Azimuth: 296.2°