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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: 7:52  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sunny DaytimeWhat's Visible Now?
All Constellations » Andromeda » 

45 Andromedae

Altitude: 10.6°   Azimuth: 40.1°   Direction: North-East

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

45 Andromedae visual magnitude is 5.81. Because of its reltive faintness, 45 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 45 Andromedae:


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

Altitude: 10.6°
Azimuth: 40.1°
Direction: North-East

Celestial coordinates and finder chart of 45 Andromedae

45 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 45 Andromedae are provided in the following table:

01h 11m 10s
+37° 43’ 27”

The simplified sky map below shows the position of 45 Andromedae in the sky:

Finder chart 45 Andromedae star
Simplified finder chart for 45 Andromedae.

Visibility of 45 Andromedae from your location

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

Today's 45 Andromedae rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 52.3°
Max altitude: 76.2°
Azimuth: 307.7°

Digitized Sky Survey image of 45 Andromedae

The image below is a photograph of 45 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 45 Andromedae is -0.012 arcsec per year in Right Ascension and -0.007 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 45 Andromedae star
DSS2 image of 45 Andromedae. The red arrow shows the motion of 45 Andromedae during the next 10000 years (-2.00 arcmin in Right Ascension and -1.17 arcmin in declination);

Distance of 45 Andromedae from the Sun and relative movement

45 Andromedae is distant 915.73 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

280.90 pc
915.73 ly
-1 km/s
-0.012 arcsec/year
-0.007 arcsec/year

Spectral properties of 45 Andromedae

45 Andromedae belongs to spectral class B7 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 45 Andromedae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 45 Andromedae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 45 Andromedae

45 Andromedae