We use cookies to deliver essential features and to measure their performance. Learn more.
Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:44 
Transit: 12:53 
Sunset: 19:00
sunny   (Daytime)  
What's Visible Now • Tonight Timeline
Search  close
All Constellations » Andromeda » 

ο Andromedae (omicron Andromedae)

Above the horizon.  Circumpolar today
Alt: 4.22°   Az: 6.17°   Direction: North

ο Andromedae is a variable and multiple giant star of spectral class B6 in the constellation of Andromeda.

ο Andromedae visual magnitude is 3.62. Because of its moderate brightness, ο Andromedae 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 ο Andromedae (omicron Andromedae) star
DSS2 image of ο Andromedae. The red arrow shows the motion of ο Andromedae during the next 10000 years (3.83 arcmin in Right Ascension and -1.00 arcmin in declination);

Celestial Coordinates

Apparent

23h 03m 03s
+42° 27’ 33”
12h 33m 26s
11h 36m 30s

J2000

23h 01m 55s
+42° 19’ 33”

Galactic Coordinates

102.21°
-16.1°

Finder Chart

Finder chart ο Andromedae (omicron Andromedae) star
Simplified finder chart for ο Andromedae (omicron Andromedae).

Magnitude, Color, Spectral Class

3.62
Giant

-3.01
B6III
11407K

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

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

Star System Properties

ο Andromedae 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 ο Andromedae double sysyem:

3.62
4.12
0.5
0.3 arcsec

Distance, Radial Speed, Proper Motion

ο Andromedae is distant 692.14 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

212.31
692.14
-14 km/s
0.023 arcsec/y
-0.006"/y

Alternative Designations

ο Andromedae
(omicron Andromedae)
1 Andromedae
SAO52609
SAO52609

Visibility from Your Location

ο Andromedae (omicron Andromedae) is circumpolar and transits at 23:01 UTC (altitude: 81.0°)