HR4425

Below the horizon. Never rises today

Alt: -44.49° Az: 203.95° Direction: South-South-West

HR4425 is a double main-sequence star of spectral class B3 in the constellation of Musca.

HR4425 visual magnitude is 6.09. Because of its faintness, HR4425 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 HR4425. The red arrow shows the motion of HR4425 during the next 10000 years (-7.17 arcmin in Right Ascension and -3.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 29m 20s

Declination -72° 36’ 39”

Hour Angle 05h 02m 56s

Sideral Time 16h 32m 16s

J2000

Right Ascension 11h 28m 18s

Declination -72° 28’ 27”

Galactic Coordinates

Galactic Longitude 296.69°

Galactic Latitude -10.62°

Finder Chart

Simplified finder chart for HR4425.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.09

Class Main-sequence

Absolute magnitude -0.74

Spectral Type B3V

Color Index (B-V) 0.16

Temperature 8486K

The red dot in the diagram below shows where HR4425 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4425. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4425 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 HR4425 double sysyem:

Main star magnitude 6.09

Secondary star magnitude 6.19

Magnitude difference 0.1

Separation 0.3 arcsec

Distance, Radial Speed, Proper Motion

HR4425 is distant 758.14 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

Distance (parsec) 232.56

Distance (light year) 758.14

Radial Speed 12 km/s

Proper Motion RA -0.043 arcsec/y

Proper Motion Dec -0.02"/y

Alternative Designations

Henry Draper Catalogue HD99872

SAO Catalogue SAO256843

Hipparcos Catalogue HIP55979

Durchmusterung Catalogue CP-71 1253

Visibility from Your Location

HR4425 is currently not visible from Greenwich, UK

Set Location

Other stars in Musca