31 Arietis

Above the horizon. Rise: 21:00 | Tran: 4:07 | Set: 11:10

Alt: 5.32° Az: 76.50° Direction: East-North-East

31 Arietis is a double main-sequence star of spectral class F7 in the constellation of Aries.

31 Arietis visual magnitude is 5.68. Because of its faintness, 31 Arietis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

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);

Celestial Coordinates

Apparent

Right Ascension 02h 37m 58s

Declination +12° 33’ 13”

Hour Angle 17h 30m 46s

Sideral Time 20h 08m 44s

J2000

Right Ascension 02h 36m 37s

Declination +12° 26’ 50”

Galactic Coordinates

Galactic Longitude 159.13°

Galactic Latitude -42.91°

Finder Chart

Simplified finder chart for 31 Arietis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.68

Class Main-sequence

Absolute magnitude 2.95

Spectral Type F7V

Color Index (B-V) 0.49

Temperature 6435K

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

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

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:

Main star magnitude 5.68

Secondary star magnitude 5.78

Magnitude difference 0.1

Separation 0 arcsec

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 35.21

Distance (light year) 114.79

Radial Speed 7 km/s

Proper Motion RA 0.286 arcsec/y

Proper Motion Dec -0.089"/y

Alternative Designations

Flamsteed designation 31 Arietis

Henry Draper Catalogue HD16234

SAO Catalogue SAO93022

Hipparcos Catalogue HIP12153

Durchmusterung Catalogue BD+11 360

FK5 Catalogue 2179

Visibility from Your Location

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

Azimuth: 77.4° RISE 21:00

Max altitude: 51.1° TRANSIT 4:07

Azimuth: 282.6° SET 11:10

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Aries