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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:42 
Transit: 12:53 
Sunset: 19:03
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All Constellations » Andromeda » 

φ Andromedae (phi Andromedae)

Above the horizon.  Circumpolar today
Alt: 10.83°   Az: 15.72°   Direction: North-North-East

φ Andromedae is a variable and double main-sequence star of spectral class B7 in the constellation of Andromeda.

φ Andromedae visual magnitude is 4.25. Because of its moderate brightness, φ Andromedae is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of φ Andromedae (phi Andromedae) star
DSS2 image of φ Andromedae. The red arrow shows the motion of φ Andromedae during the next 10000 years (1.67 arcmin in Right Ascension and -1.50 arcmin in declination);

Celestial Coordinates

Apparent

01h 10m 57s
+47° 22’ 23”
13h 32m 33s
14h 43m 30s

J2000

01h 09m 30s
+47° 14’ 30”

Galactic Coordinates

126.11°
-15.52°

Finder Chart

Finder chart φ Andromedae (phi Andromedae) star
Simplified finder chart for φ Andromedae (phi Andromedae).

Magnitude, Color, Spectral Class

4.25
Main-sequence

-2.52
B7V
11092K

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

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

Star System Properties

φ 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 φ Andromedae double sysyem:

4.25
5.45
1.2
0.4 arcsec

Distance, Radial Speed, Proper Motion

φ Andromedae is distant 735.89 light years from the Sun

225.73
735.89
0.01 arcsec/y
-0.009"/y

Alternative Designations

φ Andromedae
(phi Andromedae)
42 Andromedae
SAO36972
SAO36972

Visibility from Your Location

φ Andromedae (phi Andromedae) is circumpolar and transits at 01:17 UTC (altitude: 85.9°)