Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

23 Pegasi

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

23 Pegasi visual magnitude is 5.7. Because of its reltive faintness, 23 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 23 Pegasi:

5.7
Main-sequence
23 Pegasi is above the horizon from Greenwich, United Kingdom [change]. Altitude: 63°.

Celestial coordinates and finder chart of 23 Pegasi

23 Pegasi is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 23 Pegasi are provided in the following table:

22h 05m 34s
+28° 57’ 50”
84.49°
-21.27°
Pegasus

The simplified sky map below shows the position of 23 Pegasi in the sky:

Finder chart 23 Pegasi star
Simplified finder chart for 23 Pegasi.

Visibility of 23 Pegasi from your location

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

Today's 23 Pegasi rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 61.0°
Max altitude: 67.5°
Azimuth: 299.0°
23 Pegasi is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 23 Pegasi

The image below is a photograph of 23 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 23 Pegasi is 0.031 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 23 Pegasi star
DSS2 image of 23 Pegasi. The red arrow shows the motion of 23 Pegasi during the next 10000 years (5.17 arcmin in Right Ascension and -2.00 arcmin in declination);

Distance of 23 Pegasi from the Sun and relative movement

23 Pegasi is distant 304.39 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

93.37 pc
304.39 ly
-12 km/s
0.031 arcsec/year
-0.012 arcsec/year

Spectral properties of 23 Pegasi

23 Pegasi belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.

0.85
B9V
10941K

The red dot in the diagram below shows where 23 Pegasi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 23 Pegasi. Attribution: Richard Powell / CC BY-SA

Alternative designations of 23 Pegasi

SAO90217
SAO90217