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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 5:43  
clear_day Transit: 12:56  
SunsetSet: 20:10
sunny DaytimeWhat's Visible Now?
All Constellations » Vela » 


Altitude: -79.9°   Azimuth: 56.7°   Direction: East-North-East

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

HR3925 visual magnitude is 5.71. Because of its reltive faintness, HR3925 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR3925 is -0.02 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3925 star
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);

Key facts about HR3925


HR3925 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -79.9°
Azimuth: 56.7°
Direction: East-North-East

Celestial coordinates and finder chart of HR3925

HR3925 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3925 are provided in the following table:

09h 54m 17s
-45° 17’ 02”

The simplified sky map below shows the position of HR3925 in the sky:

Finder chart HR3925 star
Simplified finder chart for HR3925.

Visibility of HR3925 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR3925 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3925 from the Sun and relative movement

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.

259.07 pc
844.56 ly
13 km/s
-0.02 arcsec/year
-0.008 arcsec/year

Spectral properties of HR3925

HR3925 belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR3925 is situated in the Hertzsprungā€“Russell diagram.

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

HR3925 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:

5.3 arcsec

Alternative designations of HR3925