We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Help keep this site free and ads-free! Donate Now!
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: -84.5°   Azimuth: 187.8°   Direction: South

HR3953 is a double hypergiant star in the constellation of Vela.

HR3953 visual magnitude is 6.52. Because of its reltive faintness, HR3953 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 HR3953 is -0.064 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 HR3953 star
DSS2 image of HR3953. The red arrow shows the motion of HR3953 during the next 10000 years (-10.67 arcmin in Right Ascension and 1.33 arcmin in declination);

Key facts about HR3953


HR3953 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -84.5°
Azimuth: 187.8°
Direction: South

Celestial coordinates and finder chart of HR3953

HR3953 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 HR3953 are provided in the following table:

10h 00m 34s
-56° 56’ 48”

The simplified sky map below shows the position of HR3953 in the sky:

Finder chart HR3953 star
Simplified finder chart for HR3953.

Visibility of HR3953 from your location

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

HR3953 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3953 from the Sun and relative movement

HR3953 is distant 510.97 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

156.74 pc
510.97 ly
10 km/s
-0.064 arcsec/year
0.008 arcsec/year

Spectral properties of HR3953

HR3953 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR3953 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3953. Attribution: Richard Powell / CC BY-SA

HR3953 star system properties

HR3953 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 HR3953 double sysyem:

7.6 arcsec

Alternative designations of HR3953