12 Andromedae

Above the horizon. Rise: 12:59 | Tran: 0:28 | Set: 12:01

Alt: 52.96° Az: 269.31° Direction: West

12 Andromedae is a multiple main-sequence star of spectral class F5 in the constellation of Andromeda.

12 Andromedae visual magnitude is 5.77. Because of its faintness, 12 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 12 Andromedae. The red arrow shows the motion of 12 Andromedae during the next 1000 years (2.17 arcmin in Right Ascension and -1.05 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 23h 22m 04s

Declination +38° 19’ 04”

Hour Angle 03h 20m 34s

Sideral Time 02h 42m 39s

J2000

Right Ascension 23h 20m 53s

Declination +38° 10’ 55”

Galactic Coordinates

Galactic Longitude 103.98°

Galactic Latitude -21.33°

Finder Chart

Simplified finder chart for 12 Andromedae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.77

Class Main-sequence

Absolute magnitude 2.63

Spectral Type F5V

Color Index (B-V) 0.46

Temperature 6576K

The red dot in the diagram below shows where 12 Andromedae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 12 Andromedae. Attribution: Richard Powell / CC BY-SA

Star System Properties

12 Andromedae is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 12 Andromedae double sysyem:

Main star magnitude 5.77

Secondary star magnitude 9.17

Magnitude difference 3.4

Separation 121.1 arcsec

Distance, Radial Speed, Proper Motion

12 Andromedae is distant 138.19 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 42.39

Distance (light year) 138.19

Radial Speed -9 km/s

Proper Motion RA 0.13 arcsec/y

Proper Motion Dec -0.063"/y

Alternative Designations

Flamsteed designation 12 Andromedae

Henry Draper Catalogue HD220117

SAO Catalogue SAO73190

Hipparcos Catalogue HIP115280

Durchmusterung Catalogue BD+37 4817

FK5 Catalogue 1610

Visibility from Your Location

Today's 12 Andromedae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 51.7° RISE 12:59

Max altitude: 76.8° TRANSIT 0:28

Azimuth: 308.3° SET 12:01

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Andromeda