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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:44  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
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All Constellations » Pegasus » 

ξ Pegasi (xi Pegasi)

Altitude: 50.4°   Azimuth: 171.6°   Direction: South

ξ Pegasi is a multiple giant star in the constellation of Pegasus.

ξ Pegasi visual magnitude is 4.19. Because of its moderate brightness, ξ Pegasi should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about ξ Pegasi:


ξ Pegasi (xi Pegasi) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 50.4°
Azimuth: 171.6°
Direction: South

Celestial coordinates and finder chart of ξ Pegasi

ξ 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 ξ Pegasi are provided in the following table:

22h 46m 41s
+12° 10’ 22”

The simplified sky map below shows the position of ξ Pegasi in the sky:

Finder chart ξ Pegasi (xi Pegasi) star
Simplified finder chart for ξ Pegasi (xi Pegasi).

Visibility of ξ Pegasi 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 ξ Pegasi (xi Pegasi) 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: 77.8°
Max altitude: 50.7°
Azimuth: 282.2°

Digitized Sky Survey image of ξ Pegasi

The image below is a photograph of ξ 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 ξ Pegasi is 0.235 arcsec per year in Right Ascension and -0.498 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of ξ Pegasi (xi Pegasi) star
DSS2 image of ξ Pegasi. The red arrow shows the motion of ξ Pegasi during the next 1000 years (3.92 arcmin in Right Ascension and -8.30 arcmin in declination);

Distance of ξ Pegasi from the Sun and relative movement

ξ Pegasi is distant 52.97 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

16.25 pc
52.97 ly
-5 km/s
0.235 arcsec/year
-0.498 arcsec/year

Spectral properties of ξ Pegasi

ξ Pegasi belongs to spectral class F6 and has a luminosity class of III corresponding to a giant star.


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

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

ξ Pegasi star system properties

ξ Pegasi 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 ξ Pegasi double sysyem:

145 arcsec

Alternative designations of ξ Pegasi

ξ Pegasi
(xi Pegasi)
Gl 872 A