We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
Help keep this site free and ads-free: donate now!
public LocationGreenwich, United Kingdom
Sunrise: 4:53 
Transit: 12:55 
Sunset: 20:59
sunny   (Daytime)   What's Visible Now?

1 Pegasi

Altitude: -15.4°   Azimuth: 24.6°   Direction: North-North-East

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

1 Pegasi visual magnitude is 4.08. Because of its moderate brightness, 1 Pegasi should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of 1 Pegasi is 0.106 arcsec per year in Right Ascension and 0.064 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 1 Pegasi star
DSS2 image of 1 Pegasi. The red arrow shows the motion of 1 Pegasi during the next 1000 years (1.77 arcmin in Right Ascension and 1.07 arcmin in declination);

Key facts about 1 Pegasi


1 Pegasi is below the horizon from Greenwich, United Kingdom.

Altitude: -15.4°
Azimuth: 24.6°
Direction: North-North-East

Celestial coordinates and finder chart of 1 Pegasi

1 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 1 Pegasi are provided in the following table:

21h 22m 05s
+19° 48’ 15”

The simplified sky map below shows the position of 1 Pegasi in the sky:

Finder chart 1 Pegasi star
Simplified finder chart for 1 Pegasi.

Visibility of 1 Pegasi from your location

Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 1 Pegasi rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 70.2°
Max altitude: 58.3°
Azimuth: 289.8°

Distance of 1 Pegasi from the Sun and relative movement

1 Pegasi is distant 153.85 light years from the Sun and it is moving towards the Sun at the speed of 76 kilometers per second.

47.19 pc
153.85 ly
-76 km/s
0.106 arcsec/year
0.064 arcsec/year

Spectral properties of 1 Pegasi

1 Pegasi belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 1 Pegasi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 1 Pegasi. Attribution: Richard Powell / CC BY-SA

1 Pegasi star system properties

1 Pegasi is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 1 Pegasi double sysyem:

36.2 arcsec

Alternative designations of 1 Pegasi