12 Cephei

Above the horizon. Circumpolar today

Alt: 80.24° Az: 15.07° Direction: North-North-East

12 Cephei is a giant star of spectral class M1 in the constellation of Cepheus.

12 Cephei visual magnitude is 5.52. Because of its faintness, 12 Cephei 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 Cephei. The red arrow shows the motion of 12 Cephei during the next 100000 years (-13.33 arcmin in Right Ascension and 0.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 48m 09s

Declination +60° 48’ 29”

Hour Angle 23h 39m 16s

Sideral Time 21h 27m 25s

J2000

Right Ascension 21h 47m 25s

Declination +60° 41’ 34”

Galactic Coordinates

Galactic Longitude 102.22°

Galactic Latitude 5.45°

Finder Chart

Simplified finder chart for 12 Cephei.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.52

Class Giant

Absolute magnitude -0.26

Spectral Type M1III

Color Index (B-V) 1.52

Temperature 3764K

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

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

Distance, Radial Speed, Proper Motion

12 Cephei is distant 467.05 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

Distance (parsec) 143.27

Distance (light year) 467.05

Radial Speed -20 km/s

Proper Motion RA -0.008 arcsec/y

Alternative Designations

Flamsteed designation 12 Cephei

Henry Draper Catalogue HD207528

SAO Catalogue SAO19642

Hipparcos Catalogue HIP107586

Durchmusterung Catalogue BD+60 2294

Visibility from Your Location

12 Cephei is circumpolar and transits at 20:52 UTC (altitude: 80.7°)

Set Location

Other stars in Cepheus