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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
sleep NighttimeWhat's Visible Now?
All Constellations » Pegasus » 

39 Pegasi

Altitude: 56.6°   Azimuth: 206.6°   Direction: South-South-West

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

39 Pegasi visual magnitude is 6.42. Because of its reltive faintness, 39 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 39 Pegasi:


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

Altitude: 56.6°
Azimuth: 206.6°
Direction: South-South-West

Celestial coordinates and finder chart of 39 Pegasi

39 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 39 Pegasi are provided in the following table:

22h 32m 35s
+20° 13’ 48”

The simplified sky map below shows the position of 39 Pegasi in the sky:

Finder chart 39 Pegasi star
Simplified finder chart for 39 Pegasi.

Visibility of 39 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 39 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: 69.8°
Max altitude: 58.8°
Azimuth: 290.2°

Digitized Sky Survey image of 39 Pegasi

The image below is a photograph of 39 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 39 Pegasi is 0.163 arcsec per year in Right Ascension and 0.029 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 39 Pegasi star
DSS2 image of 39 Pegasi. The red arrow shows the motion of 39 Pegasi during the next 1000 years (2.72 arcmin in Right Ascension and 0.48 arcmin in declination);

Distance of 39 Pegasi from the Sun and relative movement

39 Pegasi is distant 172.49 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

52.91 pc
172.49 ly
-19 km/s
0.163 arcsec/year
0.029 arcsec/year

Spectral properties of 39 Pegasi

39 Pegasi belongs to spectral class F1 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where 39 Pegasi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 39 Pegasi. Attribution: Richard Powell / CC BY-SA

Alternative designations of 39 Pegasi