Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:10 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Virgo » 

31 Virginis

Altitude: 6.9°   Azimuth: 272.2°   Direction: West

31 Virginis is a variable and double main-sequence star in the constellation of Virgo.

31 Virginis visual magnitude is 5.59. Because of its reltive faintness, 31 Virginis should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 31 Virginis:


31 Virginis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 6.9°
Azimuth: 272.2°
Direction: West

Celestial coordinates and finder chart of 31 Virginis

31 Virginis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 31 Virginis are provided in the following table:

12h 41m 57s
+06° 48’ 24”

The simplified sky map below shows the position of 31 Virginis in the sky:

Finder chart 31 Virginis star
Simplified finder chart for 31 Virginis.

Visibility of 31 Virginis from your location

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

Today's 31 Virginis rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 83.2°
Max altitude: 45.3°
Azimuth: 276.8°
31 Virginis is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 31 Virginis

The image below is a photograph of 31 Virginis from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 31 Virginis is -0.068 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 31 Virginis star
DSS2 image of 31 Virginis. The red arrow shows the motion of 31 Virginis during the next 10000 years (-11.33 arcmin in Right Ascension and -2.00 arcmin in declination);

Distance of 31 Virginis from the Sun and relative movement

31 Virginis is distant 243.83 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

74.79 pc
243.83 ly
4 km/s
-0.068 arcsec/year
-0.012 arcsec/year

Spectral properties of 31 Virginis

31 Virginis belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where 31 Virginis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 31 Virginis. Attribution: Richard Powell / CC BY-SA

31 Virginis star system properties

31 Virginis 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 31 Virginis double sysyem:

4 arcsec

Alternative designations of 31 Virginis

31 Virginis