HR3925

Below the horizon. Never rises today

Alt: -6.92° Az: 177.90° Direction: South

HR3925 is a double main-sequence star of spectral class B3 in the constellation of Vela.

HR3925 visual magnitude is 5.71. Because of its faintness, HR3925 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 HR3925. The red arrow shows the motion of HR3925 during the next 10000 years (-3.33 arcmin in Right Ascension and -1.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 55m 16s

Declination -45° 24’ 06”

Hour Angle 23h 48m 08s

Sideral Time 09h 43m 24s

J2000

Right Ascension 09h 54m 17s

Declination -45° 17’ 02”

Galactic Coordinates

Galactic Longitude 273.25°

Galactic Latitude 7.14°

Finder Chart

Simplified finder chart for HR3925.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.71

Class Main-sequence

Absolute magnitude -1.36

Spectral Type B3V

Color Index (B-V) -0.11

Temperature 11744K

The red dot in the diagram below shows where HR3925 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3925. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3925 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 HR3925 double sysyem:

Main star magnitude 5.71

Secondary star magnitude 8.11

Magnitude difference 2.4

Separation 5.3 arcsec

Distance, Radial Speed, Proper Motion

HR3925 is distant 844.56 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

Distance (parsec) 259.07

Distance (light year) 844.56

Radial Speed 13 km/s

Proper Motion RA -0.02 arcsec/y

Proper Motion Dec -0.008"/y

Alternative Designations

Henry Draper Catalogue HD85980

SAO Catalogue SAO221592

Hipparcos Catalogue HIP48561

Durchmusterung Catalogue CD-44 5987

Visibility from Your Location

HR3925 is currently not visible from Greenwich, UK

Set Location

Other stars in Vela