HR4645

Below the horizon. Never rises today

Alt: -44.66° Az: 207.90° Direction: South-South-West

HR4645 is a variable supergiant star of spectral class F6 in the constellation of Musca.

HR4645 visual magnitude is 6.17. Because of its faintness, HR4645 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 HR4645. The red arrow shows the motion of HR4645 during the next 10000 years (-3.67 arcmin in Right Ascension and -1.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 14m 10s

Declination -70° 17’ 35”

Hour Angle 05h 23m 09s

Sidereal Time 17h 37m 19s

J2000

Right Ascension 12h 12m 46s

Declination -70° 09’ 06”

Galactic Coordinates

Galactic Longitude 299.64°

Galactic Latitude -7.53°

Finder Chart

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Finder chart for HR4645.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.17

Class Supergiant

Absolute magnitude -2.32

Spectral Type F6I

Color Index (B-V) 0.84

Temperature 5163K

The red dot in the diagram below shows where HR4645 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4645. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4645 is distant 1,630.00 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

Distance (parsec) 500.00

Distance (light year) 1,630.00

Radial Speed 11 km/s

Proper Motion RA -0.022 arcsec/y

Proper Motion Dec -0.009"/y

Alternative Designations

Henry Draper Catalogue HD106111

SAO Catalogue SAO251791

Hipparcos Catalogue HIP59551

Durchmusterung Catalogue CP-69 1646

General Catalogue of Variable Stars S Mus

Visibility from Your Location

HR4645 is currently not visible from Greenwich, UK

Set Location

Other stars in Musca