HR4509

Below the horizon. Never rises today

Alt: -46.79° Az: 165.51° Direction: South

HR4509 is a hypergiant star of spectral class K0 in the constellation of Chamaeleon.

HR4509 visual magnitude is 6.39. Because of its faintness, HR4509 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 HR4509. The red arrow shows the motion of HR4509 during the next 1000 years (2.20 arcmin in Right Ascension and -0.13 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 44m 00s

Declination -79° 26’ 52”

Hour Angle 19h 22m 40s

Sidereal Time 07h 06m 41s

J2000

Right Ascension 11h 42m 55s

Declination -79° 18’ 23”

Galactic Coordinates

Galactic Longitude 299.66°

Galactic Latitude -16.87°

Finder Chart

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Finder chart for HR4509.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.39

Class Hypergiant

Absolute magnitude 2.66

Spectral Type K0III

Color Index (B-V) 0.9

Temperature 4996K

The red dot in the diagram below shows where HR4509 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4509. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4509 is distant 181.62 light years from the Sun and it is moving far from the Sun at the speed of 33 kilometers per second.

Distance (parsec) 55.71

Distance (light year) 181.62

Radial Speed 33 km/s

Proper Motion RA 0.132 arcsec/y

Proper Motion Dec -0.008"/y

Alternative Designations

Henry Draper Catalogue HD101917

SAO Catalogue SAO256865

Hipparcos Catalogue HIP57137

Durchmusterung Catalogue CP-78 677

Visibility from Your Location

HR4509 is currently not visible from Greenwich, UK

Set Location

Other stars in Chamaeleon