HR5103

Below the horizon. Never rises today

Alt: -24.91° Az: 222.22° Direction: South-West

HR5103 is a double giant star of spectral class B8 in the constellation of Centaurus.

HR5103 visual magnitude is 6.33. Because of its faintness, HR5103 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 HR5103. The red arrow shows the motion of HR5103 during the next 10000 years (-4.83 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 13h 36m 02s

Declination -48° 24’ 05”

Hour Angle 04h 26m 32s

Sidereal Time 18h 02m 35s

J2000

Right Ascension 13h 34m 28s

Declination -48° 16’ 19”

Galactic Coordinates

Galactic Longitude 310.29°

Galactic Latitude 13.98°

Finder Chart

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Finder chart for HR5103.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.33

Class Giant

Absolute magnitude -0.41

Spectral Type B8III

Color Index (B-V) -0.05

Temperature 10795K

The red dot in the diagram below shows where HR5103 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5103. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR5103 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 HR5103 double sysyem:

Main star magnitude 6.33

Secondary star magnitude 8.33

Magnitude difference 2

Separation 0.5 arcsec

Distance, Radial Speed, Proper Motion

HR5103 is distant 726.06 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 222.72

Distance (light year) 726.06

Radial Speed -4 km/s

Proper Motion RA -0.029 arcsec/y

Proper Motion Dec -0.012"/y

Alternative Designations

Henry Draper Catalogue HD117919

SAO Catalogue SAO224254

Hipparcos Catalogue HIP66236

Durchmusterung Catalogue CD-47 8417

Visibility from Your Location

HR5103 is currently not visible from Greenwich, UK

Set Location

Other stars in Centaurus