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public  Condoto, Colombia Condoto, Colombia  ⓘ
TimezoneAmerica/Bogota
Sunrise: 5:59 
Transit: 12:10 
Sunset: 18:21
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All Constellations » Corona Borealis » 

θ Coronae Borealis (theta Coronae Borealis)

Below the horizon.  Rise: 14:48 | Tran: 21:03 | Set: 3:13
Alt: -17.23°   Az: 55.02°   Direction: North-East

θ Coronae Borealis is a variable and double main-sequence star of spectral class B6 in the constellation of Corona Borealis.

θ Coronae Borealis visual magnitude is 4.14. Because of its moderate brightness, θ 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 θ Coronae Borealis (theta Coronae Borealis) star
DSS2 image of θ Coronae Borealis. The red arrow shows the motion of θ Coronae Borealis during the next 10000 years (-3.17 arcmin in Right Ascension and -1.83 arcmin in declination);

Celestial Coordinates

Apparent

15h 33m 57s
+31° 16’ 28”
16h 25m 08s
07h 59m 06s

J2000

15h 32m 55s
+31° 21’ 33”

Galactic Coordinates

49.69°
54.71°

Finder Chart

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Finder chart for θ Coronae Borealis (theta Coronae Borealis).

Magnitude, Color, Spectral Class

4.14
Main-sequence

-0.76
B6V
12103K

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

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

Star System Properties

θ 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 θ Coronae Borealis double sysyem:

4.14
5.54
1.4
0.5 arcsec

Distance, Radial Speed, Proper Motion

θ Coronae Borealis is distant 310.77 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

95.33
310.77
-25 km/s
-0.019 arcsec/y
-0.011"/y

Alternative Designations

θ Coronae Borealis
(theta Coronae Borealis)
4 Coronae Borealis
SAO64769
SAO64769

Visibility from Your Location

Today's θ Coronae Borealis (theta Coronae Borealis) rise, transit and set times from Condoto, Colombia are the following (all times relative to the local timezone America/Bogota):

Azimuth: 58.7°
Max altitude: 63.8°
Azimuth: 301.3°