HR8133

Above the horizon. Circumpolar today

Alt: 67.74° Az: 40.80° Direction: North-East

HR8133 is a double sub-giant star of spectral class G2 in the constellation of Cepheus.

HR8133 visual magnitude is 6.39. Because of its faintness, HR8133 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 HR8133. The red arrow shows the motion of HR8133 during the next 1000 years (0.45 arcmin in Right Ascension and -1.75 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 14m 13s

Declination +64° 30’ 35”

Hour Angle 21h 39m 33s

Sidereal Time 18h 53m 46s

J2000

Right Ascension 21h 13m 42s

Declination +64° 24’ 14”

Galactic Coordinates

Galactic Longitude 101.97°

Galactic Latitude 10.81°

Finder Chart

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Finder chart for HR8133.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.39

Class Sub-giant

Absolute magnitude 3.31

Spectral Type G2IV

Color Index (B-V) 0.6

Temperature 5968K

The red dot in the diagram below shows where HR8133 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8133. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8133 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR8133 double sysyem:

Main star magnitude 6.39

Secondary star magnitude 6.59

Magnitude difference 0.2

Separation 0.6 arcsec

Distance, Radial Speed, Proper Motion

HR8133 is distant 134.93 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.

Distance (parsec) 41.39

Distance (light year) 134.93

Radial Speed 30 km/s

Proper Motion RA 0.027 arcsec/y

Proper Motion Dec -0.105"/y

Alternative Designations

Henry Draper Catalogue HD202582

SAO Catalogue SAO19257

Hipparcos Catalogue HIP104788

Durchmusterung Catalogue BD+63 1708

Aitken Double Star Catalogue ADS14783

Visibility from Your Location

HR8133 is circumpolar and transits at 05:13 UTC (altitude: 77.0°)

Set Location

Other stars in Cepheus