HR4782

Below the horizon. Never rises today

Alt: -46.29° Az: 117.85° Direction: East-South-East

HR4782 is a double giant star of spectral class F3 in the constellation of Centaurus.

HR4782 visual magnitude is 6.38. Because of its faintness, HR4782 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 HR4782. The red arrow shows the motion of HR4782 during the next 1000 years (-2.72 arcmin in Right Ascension and -0.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 35m 23s

Declination -50° 02’ 56”

Hour Angle 16h 48m 19s

Sidereal Time 05h 23m 42s

J2000

Right Ascension 12h 33m 59s

Declination -49° 54’ 33”

Galactic Coordinates

Galactic Longitude 300.05°

Galactic Latitude 12.87°

Finder Chart

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Finder chart for HR4782.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.38

Class Giant

Absolute magnitude 2.24

Spectral Type F3III

Color Index (B-V) 0.46

Temperature 6576K

The red dot in the diagram below shows where HR4782 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4782. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4782 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR4782 double sysyem:

Main star magnitude 6.38

Secondary star magnitude 12.88

Magnitude difference 6.5

Separation 7.8 arcsec

Distance, Radial Speed, Proper Motion

HR4782 is distant 219.53 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

Distance (parsec) 67.34

Distance (light year) 219.53

Radial Speed 18 km/s

Proper Motion RA -0.163 arcsec/y

Proper Motion Dec -0.04"/y

Alternative Designations

Henry Draper Catalogue HD109312

SAO Catalogue SAO223516

Hipparcos Catalogue HIP61328

Durchmusterung Catalogue CD-49 7195

Visibility from Your Location

HR4782 is currently not visible from Greenwich, UK

Set Location

Other stars in Centaurus