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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:58 
Transit: 12:56 
Sunset: 20:55
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All Constellations » Andromeda » 

σ Andromedae (sigma Andromedae)

Above the horizon.  Rise: 22:31 | Tran: 9:14 | Set: 19:54
Alt: 47.95°   Az: 272.72°   Direction: West

σ Andromedae is a variable main-sequence star of spectral class A2 in the constellation of Andromeda.

σ Andromedae visual magnitude is 4.52. Because of its moderate brightness, σ 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 σ Andromedae (sigma Andromedae) star
DSS2 image of σ Andromedae. The red arrow shows the motion of σ Andromedae during the next 10000 years (-10.50 arcmin in Right Ascension and -6.83 arcmin in declination);

Celestial Coordinates

Apparent

00h 19m 39s
+36° 55’ 34”
03h 47m 13s
04h 06m 53s

J2000

00h 18m 19s
+36° 47’ 07”

Galactic Coordinates

115.59°
-25.61°

Finder Chart

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Finder chart for σ Andromedae (sigma Andromedae).

Magnitude, Color, Spectral Class

4.52
Main-sequence

1.34
A2V
9542K

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

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

Distance, Radial Speed, Proper Motion

σ Andromedae is distant 141.06 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

43.27
141.06
-8 km/s
-0.063 arcsec/y
-0.041"/y

Alternative Designations

σ Andromedae
(sigma Andromedae)
25 Andromedae
SAO53798
SAO53798

Visibility from Your Location

Today's σ Andromedae (sigma Andromedae) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 53.1°
Max altitude: 75.4°
Azimuth: 306.9°