HR1021

Below the horizon. Never rises today

Alt: -40.50° Az: 240.75° Direction: West-South-West

HR1021 is a hypergiant star of spectral class K0 in the constellation of Horologium.

HR1021 visual magnitude is 6.39. Because of its faintness, HR1021 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 HR1021. The red arrow shows the motion of HR1021 during the next 10000 years (-0.33 arcmin in Right Ascension and -3.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 03h 22m 21s

Declination -47° 41’ 19”

Hour Angle 06h 38m 54s

Sidereal Time 10h 01m 16s

J2000

Right Ascension 03h 21m 33s

Declination -47° 46’ 36”

Galactic Coordinates

Galactic Longitude 258.4°

Galactic Latitude -54.29°

Finder Chart

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Finder chart for HR1021.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.39

Class Hypergiant

Absolute magnitude 0.67

Spectral Type K0III

Color Index (B-V) 1

Temperature 4743K

The red dot in the diagram below shows where HR1021 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1021. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1021 is distant 453.41 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

Distance (parsec) 139.08

Distance (light year) 453.41

Radial Speed -2 km/s

Proper Motion RA -0.002 arcsec/y

Proper Motion Dec -0.023"/y

Alternative Designations

Henry Draper Catalogue HD21011

SAO Catalogue SAO216278

Hipparcos Catalogue HIP15655

Durchmusterung Catalogue CD-48 930

Visibility from Your Location

HR1021 is currently not visible from Greenwich, UK

Set Location

Other stars in Horologium