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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:12 
Transit: 12:47 
Sunset: 18:22
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All Constellations » Andromeda » 

θ Andromedae (theta Andromedae)

Above the horizon.  Circumpolar today
Alt: 77.00°   Az: 194.77°   Direction: South-South-West

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

θ Andromedae visual magnitude is 4.61. Because of its moderate brightness, θ 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 θ Andromedae (theta Andromedae) star
DSS2 image of θ Andromedae. The red arrow shows the motion of θ Andromedae during the next 10000 years (-8.33 arcmin in Right Ascension and -3.17 arcmin in declination);

Celestial Coordinates

Apparent

00h 18m 23s
+38° 49’ 08”
00h 16m 53s
00h 35m 17s

J2000

00h 17m 05s
+38° 40’ 54”

Galactic Coordinates

115.62°
-23.7°

Finder Chart

Finder chart θ Andromedae (theta Andromedae) star
Simplified finder chart for θ Andromedae (theta Andromedae).

Magnitude, Color, Spectral Class

4.61
Main-sequence

0.16
A2V
9434K

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

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

Distance, Radial Speed, Proper Motion

θ Andromedae is distant 253.11 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

77.64
253.11
1 km/s
-0.05 arcsec/y
-0.019"/y

Alternative Designations

θ Andromedae
(theta Andromedae)
24 Andromedae
SAO53777
SAO53777

Visibility from Your Location

θ Andromedae (theta Andromedae) is circumpolar and transits at 23:10 UTC (altitude: 77.3°)