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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: 7:03  
clear_day Transit: 12:12  
SunsetSet: 17:22
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All Constellations » Vela » 

Alsephina - δ Velorum (delta Velorum)

Altitude: -16.3°   Azimuth: 183.1°   Direction: South

Alsephina, also designated as δ Velorum (delta Velorum), is a multiple main-sequence star in the constellation of Vela.

Alsephina visual magnitude is 1.96, making it the 44th brightest star in the sky. Thanks to its high brightness, Alsephina is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.

The proper motion of Alsephina is 0.023 arcsec per year in Right Ascension and -0.078 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Alsephina - δ Velorum (delta Velorum) star
DSS2 image of Alsephina. The red arrow shows the motion of Alsephina during the next 10000 years (3.83 arcmin in Right Ascension and -13.00 arcmin in declination);

Key facts about Alsephina


Alsephina - δ Velorum (delta Velorum) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -16.3°
Azimuth: 183.1°
Direction: South

Celestial coordinates and finder chart of Alsephina

Alsephina 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 Alsephina are provided in the following table:

08h 44m 42s
-54° 42’ 29”

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

Finder chart Alsephina - δ Velorum (delta Velorum) star
Simplified finder chart for Alsephina - δ Velorum (delta Velorum).

Visibility of Alsephina from your location

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

Alsephina - δ Velorum (delta Velorum) is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of Alsephina from the Sun and relative movement

Alsephina is distant 79.71 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

24.45 pc
79.71 ly
2 km/s
0.023 arcsec/year
-0.078 arcsec/year

Spectral properties of Alsephina

Alsephina belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.


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

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

Alsephina star system properties

Alsephina is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the Alsephina double sysyem:

2.2 arcsec

Alternative designations of Alsephina

δ Velorum
(delta Velorum)
Gl 321.3A