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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Andromeda » 

28 Andromedae

Altitude: -5.6°   Azimuth: 337.3°   Direction: North-North-West

28 Andromedae is a variable and multiple giant star in the constellation of Andromeda.

28 Andromedae visual magnitude is 5.23. Because of its reltive faintness, 28 Andromedae should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 28 Andromedae:


28 Andromedae is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -5.6°
Azimuth: 337.3°
Direction: North-North-West

Celestial coordinates and finder chart of 28 Andromedae

28 Andromedae is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 28 Andromedae are provided in the following table:

00h 30m 07s
+29° 45’ 06”

The simplified sky map below shows the position of 28 Andromedae in the sky:

Finder chart 28 Andromedae star
Simplified finder chart for 28 Andromedae.

Visibility of 28 Andromedae from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 28 Andromedae rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 60.2°
Max altitude: 68.3°
Azimuth: 299.8°

Digitized Sky Survey image of 28 Andromedae

The image below is a photograph of 28 Andromedae from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 28 Andromedae is 0.041 arcsec per year in Right Ascension and -0.054 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 28 Andromedae star
DSS2 image of 28 Andromedae. The red arrow shows the motion of 28 Andromedae during the next 10000 years (6.83 arcmin in Right Ascension and -9.00 arcmin in declination);

Distance of 28 Andromedae from the Sun and relative movement

28 Andromedae is distant 185.02 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

56.75 pc
185.02 ly
-10 km/s
0.041 arcsec/year
-0.054 arcsec/year

Spectral properties of 28 Andromedae

28 Andromedae belongs to spectral class A7 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 28 Andromedae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 28 Andromedae. Attribution: Richard Powell / CC BY-SA

28 Andromedae star system properties

28 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 28 Andromedae double sysyem:

139.3 arcsec

Alternative designations of 28 Andromedae

28 Andromedae