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public  Aurora, Philippines Aurora, Philippines  ⓘ
TimezoneAsia/Manila
Sunrise: 5:36 
Transit: 12:00 
Sunset: 18:25
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All Constellations » Corona Borealis » 

ο Coronae Borealis (omicron Coronae Borealis)

Below the horizon.  Rise: 13:33 | Tran: 20:02 | Set: 2:30
Alt: -15.66°   Az: 53.72°   Direction: North-East

ο Coronae Borealis is a variable and double hypergiant star of spectral class K0 in the constellation of Corona Borealis.

ο Coronae Borealis visual magnitude is 5.51. Because of its faintness, ο Coronae Borealis 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.

Image of ο Coronae Borealis (omicron Coronae Borealis) star
DSS2 image of ο Coronae Borealis. The red arrow shows the motion of ο Coronae Borealis during the next 1000 years (-2.00 arcmin in Right Ascension and -0.78 arcmin in declination);

Celestial Coordinates

Apparent

15h 21m 12s
+29° 31’ 30”
16h 12m 33s
07h 33m 45s

J2000

15h 20m 08s
+29° 36’ 57”

Galactic Coordinates

46.21°
57.33°

Finder Chart

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Finder chart for ο Coronae Borealis (omicron Coronae Borealis).

Magnitude, Color, Spectral Class

5.51
Hypergiant

0.89
K0III
4695K

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

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

Star System Properties

ο Coronae Borealis is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the ο Coronae Borealis double sysyem:

5.51
9.41
3.9
147.3 arcsec

Distance, Radial Speed, Proper Motion

ο Coronae Borealis is distant 273.95 light years from the Sun and it is moving towards the Sun at the speed of 53 kilometers per second.

84.03
273.95
-53 km/s
-0.12 arcsec/y
-0.047"/y

Alternative Designations

ο Coronae Borealis
(omicron Coronae Borealis)
1 Coronae Borealis
SAO83768
SAO83768

Visibility from Your Location

Today's ο Coronae Borealis (omicron Coronae Borealis) rise, transit and set times from Aurora, Philippines are the following (all times relative to the local timezone Asia/Manila):

Azimuth: 60.5°
Max altitude: 73.7°
Azimuth: 299.5°