31 Pegasi

Above the horizon. Rise: 16:35 | Tran: 23:37 | Set: 6:42

Alt: 4.84° Az: 76.25° Direction: East-North-East

31 Pegasi is a variable sub-giant star of spectral class B2 in the constellation of Pegasus.

31 Pegasi visual magnitude is 5.01. Because of its faintness, 31 Pegasi 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 Pegasi. The red arrow shows the motion of 31 Pegasi during the next 100000 years (15.00 arcmin in Right Ascension and 10.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 22m 44s

Declination +12° 19’ 49”

Hour Angle 17h 28m 46s

Sideral Time 15h 51m 30s

J2000

Right Ascension 22h 21m 31s

Declination +12° 12’ 19”

Galactic Coordinates

Galactic Longitude 75.27°

Galactic Latitude -36.43°

Finder Chart

Simplified finder chart for 31 Pegasi.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.01

Class Sub-giant

Absolute magnitude -2.36

Spectral Type B2IV

Color Index (B-V) -0.13

Temperature 12103K

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

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

Distance, Radial Speed, Proper Motion

31 Pegasi is distant 970.24 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

Distance (parsec) 297.62

Distance (light year) 970.24

Radial Speed 10 km/s

Proper Motion RA 0.009 arcsec/y

Proper Motion Dec 0.006"/y

Alternative Designations

Flamsteed designation 31 Pegasi

Henry Draper Catalogue HD212076

SAO Catalogue SAO107854

Hipparcos Catalogue HIP110386

Durchmusterung Catalogue BD+11 4784

FK5 Catalogue 843

General Catalogue of Variable Stars IN Peg

Visibility from Your Location

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

Azimuth: 77.7° RISE 16:35

Max altitude: 50.9° TRANSIT 23:37

Azimuth: 282.3° SET 6:42

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

Location

Other stars in Pegasus