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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: 7:44  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
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All Constellations » Andromeda » 

13 Andromedae

Altitude: 39.1°   Azimuth: 292.8°   Direction: West-North-West

13 Andromedae is a giant star in the constellation of Andromeda.

13 Andromedae visual magnitude is 5.75. Because of its reltive faintness, 13 Andromedae should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 13 Andromedae:


13 Andromedae is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 39.1°
Azimuth: 292.8°
Direction: West-North-West

Celestial coordinates and finder chart of 13 Andromedae

13 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 13 Andromedae are provided in the following table:

23h 27m 07s
+42° 54’ 42”

The simplified sky map below shows the position of 13 Andromedae in the sky:

Finder chart 13 Andromedae star
Simplified finder chart for 13 Andromedae.

Visibility of 13 Andromedae from your location

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

13 Andromedae is circumpolar and transits at 18:37 UTC (altitude: 81.4°)

Digitized Sky Survey image of 13 Andromedae

The image below is a photograph of 13 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 13 Andromedae is 0.091 arcsec per year in Right Ascension and 0.015 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 13 Andromedae star
DSS2 image of 13 Andromedae. The red arrow shows the motion of 13 Andromedae during the next 1000 years (1.52 arcmin in Right Ascension and 0.25 arcmin in declination);

Distance of 13 Andromedae from the Sun and relative movement

13 Andromedae is distant 293.96 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

90.17 pc
293.96 ly
-9 km/s
0.091 arcsec/year
0.015 arcsec/year

Spectral properties of 13 Andromedae

13 Andromedae belongs to spectral class B9 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 13 Andromedae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 13 Andromedae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 13 Andromedae

13 Andromedae