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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:15 
Transit: 12:47 
Sunset: 18:17
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All Constellations » Andromeda » 

η Andromedae (eta Andromedae)

Above the horizon.  Rise: 16:32 | Tran: 0:42 | Set: 8:56
Alt: 56.24°   Az: 136.47°   Direction: South-East

η Andromedae is a double giant star of spectral class G8 in the constellation of Andromeda.

η Andromedae visual magnitude is 4.42. Because of its moderate brightness, η 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 η Andromedae (eta Andromedae) star
DSS2 image of η Andromedae. The red arrow shows the motion of η Andromedae during the next 10000 years (-7.33 arcmin in Right Ascension and -8.00 arcmin in declination);

Celestial Coordinates

Apparent

00h 58m 32s
+23° 33’ 03”
22h 21m 17s
23h 19m 49s

J2000

00h 57m 12s
+23° 25’ 03”

Galactic Coordinates

124.65°
-39.43°

Finder Chart

Finder chart η Andromedae (eta Andromedae) star
Simplified finder chart for η Andromedae (eta Andromedae).

Magnitude, Color, Spectral Class

4.42
Giant

0.06
G8III
4892K

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

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

Star System Properties

η 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 η Andromedae double sysyem:

4.42
11.32
6.9
131.7 arcsec

Distance, Radial Speed, Proper Motion

η Andromedae is distant 242.56 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

74.40
242.56
-10 km/s
-0.044 arcsec/y
-0.048"/y

Alternative Designations

η Andromedae
(eta Andromedae)
38 Andromedae
SAO74388
SAO74388

Visibility from Your Location

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

Azimuth: 66.4°
Max altitude: 62.1°
Azimuth: 293.6°