31 Pegasi is a variable sub-giant star in the constellation of Pegasus.
31 Pegasi visual magnitude is 5.01. Because of its reltive faintness, 31 Pegasi 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 Pegasi:
Celestial coordinates and finder chart of 31 Pegasi
31 Pegasi 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 Pegasi are provided in the following table:
The simplified sky map below shows the position of 31 Pegasi in the sky:
Visibility of 31 Pegasi from your location
Digitized Sky Survey image of 31 Pegasi
The image below is a photograph of 31 Pegasi 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 Pegasi is 0.009 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of 31 Pegasi from the Sun and relative movement
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.
Spectral properties of 31 Pegasi
31 Pegasi belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where 31 Pegasi is situated in the Hertzsprung–Russell diagram.