7 Cephei

Above the horizon. Circumpolar today

Alt: 29.63° Az: 349.99° Direction: North

7 Cephei is a main-sequence star of spectral class B7 in the constellation of Cepheus.

7 Cephei visual magnitude is 5.44. Because of its faintness, 7 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 7 Cephei. The red arrow shows the motion of 7 Cephei during the next 10000 years (-2.33 arcmin in Right Ascension and -3.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 28m 14s

Declination +66° 55’ 04”

Hour Angle 10h 29m 21s

Sidereal Time 07h 57m 36s

J2000

Right Ascension 21h 27m 46s

Declination +66° 48’ 33”

Galactic Coordinates

Galactic Longitude 104.76°

Galactic Latitude 11.43°

Finder Chart

Simplified finder chart for 7 Cephei.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.44

Class Main-sequence

Absolute magnitude -1.43

Spectral Type B7V

Color Index (B-V) -0.11

Temperature 11744K

The red dot in the diagram below shows where 7 Cephei is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 7 Cephei. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

7 Cephei is distant 770.69 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

Distance (parsec) 236.41

Distance (light year) 770.69

Radial Speed 3 km/s

Proper Motion RA -0.014 arcsec/y

Proper Motion Dec -0.019"/y

Alternative Designations

Flamsteed designation 7 Cephei

Henry Draper Catalogue HD204770

SAO Catalogue SAO19432

Hipparcos Catalogue HIP105972

Durchmusterung Catalogue BD+66 1405

FK5 Catalogue 3718

Visibility from Your Location

7 Cephei is circumpolar and transits at 19:52 UTC (altitude: 74.6°)

Set Location

Other stars in Cepheus