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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: 7:51  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
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All Constellations » Andromeda » 

11 Andromedae

Altitude: 23.0°   Azimuth: 320.8°   Direction: North-West

11 Andromedae is a hypergiant star in the constellation of Andromeda.

11 Andromedae visual magnitude is 5.44. Because of its reltive faintness, 11 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 11 Andromedae:


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

Altitude: 23.0°
Azimuth: 320.8°
Direction: North-West

Celestial coordinates and finder chart of 11 Andromedae

11 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 11 Andromedae are provided in the following table:

23h 19m 29s
+48° 37’ 31”

The simplified sky map below shows the position of 11 Andromedae in the sky:

Finder chart 11 Andromedae star
Simplified finder chart for 11 Andromedae.

Visibility of 11 Andromedae from your location

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

11 Andromedae is circumpolar and transits at 18:06 UTC (altitude: 87.1°)

Digitized Sky Survey image of 11 Andromedae

The image below is a photograph of 11 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 11 Andromedae is 0.019 arcsec per year in Right Ascension and 0.056 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 11 Andromedae star
DSS2 image of 11 Andromedae. The red arrow shows the motion of 11 Andromedae during the next 10000 years (3.17 arcmin in Right Ascension and 9.33 arcmin in declination);

Distance of 11 Andromedae from the Sun and relative movement

11 Andromedae is distant 327.64 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

100.50 pc
327.64 ly
11 km/s
0.019 arcsec/year
0.056 arcsec/year

Spectral properties of 11 Andromedae

11 Andromedae belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where 11 Andromedae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 11 Andromedae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 11 Andromedae

11 Andromedae