HR4492

Below the horizon. Never rises today

Alt: -28.47° Az: 168.93° Direction: South

HR4492 is a variable and multiple giant star of spectral class G2 in the constellation of Musca.

HR4492 visual magnitude is 5.17. Because of its faintness, HR4492 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 HR4492. The red arrow shows the motion of HR4492 during the next 10000 years (-7.00 arcmin in Right Ascension and -1.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 40m 41s

Declination -65° 32’ 18”

Hour Angle 22h 23m 45s

Sidereal Time 10h 04m 26s

J2000

Right Ascension 11h 39m 29s

Declination -65° 23’ 52”

Galactic Coordinates

Galactic Longitude 295.53°

Galactic Latitude -3.56°

Finder Chart

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Finder chart for HR4492.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.17

Class Giant

Absolute magnitude -1.01

Spectral Type G2III

Color Index (B-V) 0.8

Temperature 5281K

The red dot in the diagram below shows where HR4492 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4492. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4492 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 HR4492 double sysyem:

Main star magnitude 5.17

Secondary star magnitude 5.97

Magnitude difference 0.8

Separation 0.2 arcsec

Distance, Radial Speed, Proper Motion

HR4492 is distant 561.10 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

Distance (parsec) 172.12

Distance (light year) 561.10

Radial Speed 14 km/s

Proper Motion RA -0.042 arcsec/y

Proper Motion Dec -0.006"/y

Alternative Designations

Henry Draper Catalogue HD101379

SAO Catalogue SAO251522

Hipparcos Catalogue HIP56862

Durchmusterung Catalogue CP-64 1685

General Catalogue of Variable Stars GT Mus

Visibility from Your Location

HR4492 is currently not visible from Greenwich, UK

Set Location

Other stars in Musca