28 Andromedae

Below the horizon. Rise: 0:48 | Tran: 9:54 | Set: 18:56

Alt: -8.61° Az: 358.09° Direction: North

28 Andromedae is a variable and multiple giant star of spectral class A7 in the constellation of Andromeda.

28 Andromedae visual magnitude is 5.23. Because of its faintness, 28 Andromedae is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

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);

Celestial Coordinates

Apparent

Right Ascension 00h 31m 27s

Declination +29° 53’ 29”

Hour Angle 11h 51m 16s

Sidereal Time 12h 22m 44s

J2000

Right Ascension 00h 30m 07s

Declination +29° 45’ 06”

Galactic Coordinates

Galactic Longitude 117.42°

Galactic Latitude -32.89°

Finder Chart

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Finder chart for 28 Andromedae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.23

Class Giant

Absolute magnitude 1.46

Spectral Type A7III

Color Index (B-V) 0.24

Temperature 7866K

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

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

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:

Main star magnitude 5.23

Secondary star magnitude 12.33

Magnitude difference 7.1

Separation 139.3 arcsec

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 56.75

Distance (light year) 185.02

Radial Speed -10 km/s

Proper Motion RA 0.041 arcsec/y

Proper Motion Dec -0.054"/y

Alternative Designations

Flamsteed designation 28 Andromedae

Henry Draper Catalogue HD2628

SAO Catalogue SAO74041

Hipparcos Catalogue HIP2355

Durchmusterung Catalogue BD+28 75

General Catalogue of Variable Stars GN And

Aitken Double Star Catalogue ADS409

Visibility from Your Location

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

Azimuth: 60.1° RISE 0:48

Max altitude: 68.4° TRANSIT 9:54

Azimuth: 299.9° SET 18:56

Set Location

Other stars in Andromeda