HR4664

Below the horizon. Never rises today

Alt: -39.69° Az: 161.85° Direction: South-South-East

HR4664 is a hypergiant star of spectral class A0 in the constellation of Musca.

HR4664 visual magnitude is 6.22. Because of its faintness, HR4664 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 HR4664. The red arrow shows the motion of HR4664 during the next 10000 years (-8.83 arcmin in Right Ascension and -4.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 17m 49s

Declination -72° 45’ 21”

Hour Angle 20h 24m 07s

Sidereal Time 08h 41m 57s

J2000

Right Ascension 12h 16m 23s

Declination -72° 36’ 52”

Galactic Coordinates

Galactic Longitude 300.28°

Galactic Latitude -9.92°

Finder Chart

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Finder chart for HR4664.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.22

Class Hypergiant

Absolute magnitude 1.17

Spectral Type A0V

Color Index (B-V) -0.01

Temperature 10252K

The red dot in the diagram below shows where HR4664 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4664. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4664 is distant 333.33 light years from the Sun and it is moving far from the Sun at the speed of 28 kilometers per second.

Distance (parsec) 102.25

Distance (light year) 333.33

Radial Speed 28 km/s

Proper Motion RA -0.053 arcsec/y

Proper Motion Dec -0.026"/y

Alternative Designations

Henry Draper Catalogue HD106676

SAO Catalogue SAO256919

Hipparcos Catalogue HIP59851

Durchmusterung Catalogue CP-71 1323

Visibility from Your Location

HR4664 is currently not visible from Greenwich, UK

Set Location

Other stars in Musca