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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:17
sunny   (Daytime)   What's Visible Now?

13 Pegasi

Below the horizon.  Rise: 21:29 | Tran: 5:02 | Set: 12:32
Altitude: -11.0°   Azimuth: 316.8°   Direction: North-West

13 Pegasi is a variable and double giant star of spectral class F2 in the constellation of Pegasus.

13 Pegasi visual magnitude is 5.29. Because of its faintness, 13 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.

Celestial coordinates and finder chart of 13 Pegasi

Finder chart 13 Pegasi star
Simplified finder chart for 13 Pegasi.

13 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 13 Pegasi are provided in the following table:

21h 50m 08s
+17° 17’ 08”
Image of 13 Pegasi star
DSS2 image of 13 Pegasi. The red arrow shows the motion of 13 Pegasi during the next 10000 years (12.67 arcmin in Right Ascension and -10.17 arcmin in declination);

Key facts about 13 Pegasi


and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 13 Pegasi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 13 Pegasi. Attribution: Richard Powell / CC BY-SA

13 Pegasi star system properties

13 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 13 Pegasi double sysyem:

0.2 arcsec

Distance of 13 Pegasi from the Sun and relative movement

13 Pegasi is distant 108.99 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

33.43 pc
108.99 ly
-4 km/s
0.076 arcsec/year
-0.061 arcsec/year

Alternative designations of 13 Pegasi


Visibility of 13 Pegasi from your location

Today's 13 Pegasi rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 72.7°
Max altitude: 55.8°
Azimuth: 287.3°