Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:01  ☀️ Transit: 12:06  🌅 Sunset: 18:11

31 Arietis

31 Arietis is a double main-sequence star in the constellation of Aries.

31 Arietis visual magnitude is 5.68. Because of its reltive faintness, 31 Arietis 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 Arietis:

31 Arietis is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of 31 Arietis

31 Arietis 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 Arietis are provided in the following table:

02h 36m 37s
+12° 26’ 50”

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

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

Visibility of 31 Arietis from your location

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

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

Azimuth: 77.6°
Max altitude: 51.0°
Azimuth: 282.4°
31 Arietis is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 31 Arietis

The image below is a photograph of 31 Arietis 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 Arietis is 0.286 arcsec per year in Right Ascension and -0.089 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 31 Arietis star
DSS2 image of 31 Arietis. The red arrow shows the motion of 31 Arietis during the next 1000 years (4.77 arcmin in Right Ascension and -1.48 arcmin in declination);

Distance of 31 Arietis from the Sun and relative movement

31 Arietis is distant 114.79 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

35.21 pc
114.79 ly
7 km/s
0.286 arcsec/year
-0.089 arcsec/year

Spectral properties of 31 Arietis

31 Arietis belongs to spectral class F7 and has a luminosity class of V corresponding to a main-sequence star.


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

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

31 Arietis star system properties

31 Arietis 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 31 Arietis double sysyem:

0 arcsec

Alternative designations of 31 Arietis