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public  Lausanne, Svizzera Lausanne, Svizzera  ⓘ
TimezoneEurope/Zurich
Sunrise: 5:47 
Transit: 13:37 
Sunset: 21:28
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All Constellations » Corona Borealis » 

σ Coronae Borealis (sigma Coronae Borealis)

Above the horizon.  Rise: 14:03 | Tran: 23:00 | Set: 8:01
Alt: 6.40°   Az: 314.03°   Direction: North-West

σ Coronae Borealis is a multiple main-sequence star of spectral class G1 in the constellation of Corona Borealis.

σ Coronae Borealis visual magnitude is 6.66. Because of its faintness, σ Coronae Borealis is not visible to the naked eye.

Image of σ Coronae Borealis (sigma Coronae Borealis) star
DSS2 image of σ Coronae Borealis. The red arrow shows the motion of σ Coronae Borealis during the next 1000 years (-4.52 arcmin in Right Ascension and -1.32 arcmin in declination);

Celestial Coordinates

Apparent

16h 15m 38s
+33° 47’ 44”
08h 02m 50s
00h 18m 28s

J2000

16h 14m 40s
+33° 51’ 29”

Galactic Coordinates

54.67°
46.14°

Finder Chart

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Finder chart for σ Coronae Borealis (sigma Coronae Borealis).

Magnitude, Color, Spectral Class

6.66
Main-sequence

4.98
G1V
10125K

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

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

Star System Properties

σ Coronae Borealis 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 σ Coronae Borealis double sysyem:

6.66
7.66
1
6.4 arcsec

Distance, Radial Speed, Proper Motion

σ Coronae Borealis is distant 70.70 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

21.69
70.70
-17 km/s
-0.271 arcsec/y
-0.079"/y

Alternative Designations

σ Coronae Borealis
(sigma Coronae Borealis)
17 Coronae Borealis
Gl 615.2B

Visibility from Your Location

Today's σ Coronae Borealis (sigma Coronae Borealis) rise, transit and set times from Lausanne, Svizzera are the following (all times relative to the local timezone Europe/Zurich):

Azimuth: 56.2°
Max altitude: 77.3°
Azimuth: 303.8°