HR5900

Below the horizon. Never rises today

Alt: -31.30° Az: 150.19° Direction: South

HR5900 is a variable and double bright giant star of spectral class G5 in the constellation of Norma.

HR5900 visual magnitude is 5.77. Because of its faintness, HR5900 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 HR5900. The red arrow shows the motion of HR5900 during the next 10000 years (-8.67 arcmin in Right Ascension and -12.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 57m 41s

Declination -60° 15’ 01”

Hour Angle 20h 04m 29s

Sidereal Time 12h 02m 11s

J2000

Right Ascension 15h 55m 32s

Declination -60° 10’ 40”

Galactic Coordinates

Galactic Longitude 323.99°

Galactic Latitude -5.06°

Finder Chart

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Finder chart for HR5900.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.77

Class Bright giant

Absolute magnitude 2.17

Spectral Type G5II

Color Index (B-V) 0.35

Temperature 7158K

The red dot in the diagram below shows where HR5900 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5900. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR5900 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR5900 double sysyem:

Main star magnitude 5.77

Secondary star magnitude 8.77

Magnitude difference 3

Separation 3.9 arcsec

Distance, Radial Speed, Proper Motion

HR5900 is distant 170.77 light years from the Sun

Distance (parsec) 52.38

Distance (light year) 170.77

Proper Motion RA -0.052 arcsec/y

Proper Motion Dec -0.075"/y

Alternative Designations

Henry Draper Catalogue HD142049

SAO Catalogue SAO253349

Hipparcos Catalogue HIP77990

Durchmusterung Catalogue CP-59 6428

General Catalogue of Variable Stars 7318

Visibility from Your Location

HR5900 is currently not visible from Greenwich, UK

Set Location

Other stars in Norma