HR7955

Above the horizon. Circumpolar today

Alt: 74.14° Az: 57.12° Direction: East-North-East

HR7955 is a double sub-giant star of spectral class F8 in the constellation of Cepheus.

HR7955 visual magnitude is 4.51. Because of its moderate brightness, HR7955 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of HR7955. The red arrow shows the motion of HR7955 during the next 1000 years (-1.07 arcmin in Right Ascension and -3.93 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 45m 59s

Declination +57° 40’ 23”

Hour Angle 22h 18m 19s

Sidereal Time 19h 04m 18s

J2000

Right Ascension 20h 45m 21s

Declination +57° 34’ 46”

Galactic Coordinates

Galactic Longitude 94.43°

Galactic Latitude 9.06°

Finder Chart

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Finder chart for HR7955.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.51

Class Sub-giant

Absolute magnitude 2.34

Spectral Type F8IV

Color Index (B-V) 0.54

Temperature 6213K

The red dot in the diagram below shows where HR7955 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7955. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7955 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR7955 double sysyem:

Main star magnitude 4.51

Secondary star magnitude 10.21

Magnitude difference 5.7

Separation 66.4 arcsec

Distance, Radial Speed, Proper Motion

HR7955 is distant 88.42 light years from the Sun and it is moving towards the Sun at the speed of 31 kilometers per second.

Distance (parsec) 27.12

Distance (light year) 88.42

Radial Speed -31 km/s

Proper Motion RA -0.064 arcsec/y

Proper Motion Dec -0.236"/y

Alternative Designations

Henry Draper Catalogue HD198084

SAO Catalogue SAO32862

Hipparcos Catalogue HIP102431

Durchmusterung Catalogue BD+57 2240

Gliese Catalogue Wo 9706

FK5 Catalogue 782

Visibility from Your Location

HR7955 is circumpolar and transits at 04:10 UTC (altitude: 83.8°)

Set Location

Other stars in Cepheus