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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: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Pegasus » 

25 Pegasi

Altitude: 55.8°   Azimuth: 142.4°   Direction: South-East

25 Pegasi is a main-sequence star in the constellation of Pegasus.

25 Pegasi visual magnitude is 5.78. Because of its reltive faintness, 25 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 25 Pegasi:


25 Pegasi is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 55.8°
Azimuth: 142.4°
Direction: South-East

Celestial coordinates and finder chart of 25 Pegasi

25 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 25 Pegasi are provided in the following table:

22h 07m 50s
+21° 42’ 10”

The simplified sky map below shows the position of 25 Pegasi in the sky:

Finder chart 25 Pegasi star
Simplified finder chart for 25 Pegasi.

Visibility of 25 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 25 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: 68.3°
Max altitude: 60.2°
Azimuth: 291.7°

Digitized Sky Survey image of 25 Pegasi

The image below is a photograph of 25 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 25 Pegasi is -0.047 arcsec per year in Right Ascension and -0.069 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 25 Pegasi star
DSS2 image of 25 Pegasi. The red arrow shows the motion of 25 Pegasi during the next 10000 years (-7.83 arcmin in Right Ascension and -11.50 arcmin in declination);

Distance of 25 Pegasi from the Sun and relative movement

25 Pegasi is distant 698.07 light years from the Sun and it is moving towards the Sun at the speed of 52 kilometers per second.

214.13 pc
698.07 ly
-52 km/s
-0.047 arcsec/year
-0.069 arcsec/year

Spectral properties of 25 Pegasi

25 Pegasi belongs to spectral class B7 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where 25 Pegasi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 25 Pegasi. Attribution: Richard Powell / CC BY-SA

Alternative designations of 25 Pegasi