HR923

Above the horizon. Circumpolar today

Alt: 5.75° Az: 337.73° Direction: North-North-West

HR923 is a hypergiant star of spectral class K0 in the constellation of Perseus.

HR923 visual magnitude is 6.05. Because of its faintness, HR923 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 HR923. The red arrow shows the motion of HR923 during the next 10000 years (-8.83 arcmin in Right Ascension and 0.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 03h 06m 59s

Declination +40° 40’ 46”

Hour Angle 10h 00m 42s

Sidereal Time 13h 07m 42s

J2000

Right Ascension 03h 05m 20s

Declination +40° 34’ 57”

Galactic Coordinates

Galactic Longitude 148.7°

Galactic Latitude -15.49°

Finder Chart

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Finder chart for HR923.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.05

Class Hypergiant

Absolute magnitude 0.56

Spectral Type K0III

Color Index (B-V) 1.01

Temperature 4719K

The red dot in the diagram below shows where HR923 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR923. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR923 is distant 408.01 light years from the Sun and it is moving towards the Sun at the speed of 34 kilometers per second.

Distance (parsec) 125.16

Distance (light year) 408.01

Radial Speed -34 km/s

Proper Motion RA -0.053 arcsec/y

Proper Motion Dec 0.001"/y

Alternative Designations

Henry Draper Catalogue HD19066

SAO Catalogue SAO38559

Hipparcos Catalogue HIP14365

Durchmusterung Catalogue BD+40 664

Visibility from Your Location

HR923 is circumpolar and transits at 11:33 UTC (altitude: 79.2°)

Set Location

Other stars in Perseus