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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:23 
Transit: 12:14 
Sunset: 17:05
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All Constellations » Andromeda » 

55 Andromedae

Above the horizon.  Circumpolar today
Alt: 20.32°   Az: 49.10°   Direction: North-East

55 Andromedae is a double giant star of spectral class K1 in the constellation of Andromeda.

55 Andromedae visual magnitude is 5.4. Because of its faintness, 55 Andromedae is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of 55 Andromedae star
DSS2 image of 55 Andromedae. The red arrow shows the motion of 55 Andromedae during the next 10000 years (-1.67 arcmin in Right Ascension and -1.00 arcmin in declination);

Celestial Coordinates

Apparent

01h 54m 48s
+40° 51’ 09”
16h 38m 14s
18h 33m 02s

J2000

01h 53m 17s
+40° 43’ 46”

Galactic Coordinates

135.4°
-20.64°

Finder Chart

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Finder chart for 55 Andromedae.

Magnitude, Color, Spectral Class

5.4
Giant

-0.69
K1
4086K

The red dot in the diagram below shows where 55 Andromedae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 55 Andromedae. Attribution: Richard Powell / CC BY-SA

Star System Properties

55 Andromedae is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 55 Andromedae double sysyem:

5.4
10.7
5.3
59.8 arcsec

Distance, Radial Speed, Proper Motion

55 Andromedae is distant 539.74 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

165.56
539.74
-7 km/s
-0.01 arcsec/y
-0.006"/y

Alternative Designations

55 Andromedae
SAO37587
SAO37587

Visibility from Your Location

55 Andromedae is circumpolar and transits at 16:30 UTC (altitude: 79.4°)