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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:37  
clear_day Transit: 11:46  
SunsetSet: 15:55 south
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All Constellations » Andromeda » 

ω Andromedae (omega Andromedae)

Altitude: 16.6°   Azimuth: 35.1°   Direction: North-East

ω Andromedae is a multiple sub-giant star in the constellation of Andromeda.

ω Andromedae visual magnitude is 4.83. Because of its moderate brightness, ω Andromedae should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about ω Andromedae:


ω Andromedae (omega Andromedae) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 16.6°
Azimuth: 35.1°
Direction: North-East

Celestial coordinates and finder chart of ω Andromedae

ω Andromedae is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ω Andromedae are provided in the following table:

01h 27m 39s
+45° 24’ 24”

The simplified sky map below shows the position of ω Andromedae in the sky:

Finder chart ω Andromedae (omega Andromedae) star
Simplified finder chart for ω Andromedae (omega Andromedae).

Visibility of ω Andromedae from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

ω Andromedae (omega Andromedae) is circumpolar and transits at 20:57 UTC (altitude: 83.9°)

Digitized Sky Survey image of ω Andromedae

The image below is a photograph of ω Andromedae from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of ω Andromedae is 0.351 arcsec per year in Right Ascension and -0.107 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of ω Andromedae (omega Andromedae) star
DSS2 image of ω Andromedae. The red arrow shows the motion of ω Andromedae during the next 1000 years (5.85 arcmin in Right Ascension and -1.78 arcmin in declination);

Distance of ω Andromedae from the Sun and relative movement

ω Andromedae is distant 92.27 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

28.30 pc
92.27 ly
11 km/s
0.351 arcsec/year
-0.107 arcsec/year

Spectral properties of ω Andromedae

ω Andromedae belongs to spectral class F5 and has a luminosity class of IV corresponding to a sub-giant star.


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

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

ω Andromedae star system properties

ω 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 ω Andromedae double sysyem:

119 arcsec

Alternative designations of ω Andromedae

ω Andromedae
(omega Andromedae)
48 Andromedae