Your guide to the Solar System and the night sky
Latest Perseverance Images received 6 hours 7 mins ago for Sol77, Sol76
🌎  Greenwich, United Kingdom [change]

7 Pegasi

7 Pegasi is a variable giant star in the constellation of Pegasus.

7 Pegasi visual magnitude is 5.3. Because of its reltive faintness, 7 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 7 Pegasi:

5.3
Giant
7 Pegasi is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of 7 Pegasi

7 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 7 Pegasi are provided in the following table:

21h 42m 15s
+05° 40’ 47”
61.36°
-33.75°
Pegasus

The simplified sky map below shows the position of 7 Pegasi in the sky:

Finder chart 7 Pegasi star
Simplified finder chart for 7 Pegasi.

Visibility of 7 Pegasi from your location

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

Today's 7 Pegasi rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 84.3°
Max altitude: 44.2°
Azimuth: 275.7°
7 Pegasi is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 7 Pegasi

The image below is a photograph of 7 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 7 Pegasi is 0.014 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 7 Pegasi star
DSS2 image of 7 Pegasi. The red arrow shows the motion of 7 Pegasi during the next 10000 years (2.33 arcmin in Right Ascension and -1.00 arcmin in declination);

Distance of 7 Pegasi from the Sun and relative movement

7 Pegasi is distant 521.60 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

160.00 pc
521.60 ly
-4 km/s
0.014 arcsec/year
-0.006 arcsec/year

Spectral properties of 7 Pegasi

7 Pegasi belongs to spectral class M2 and has a luminosity class of III corresponding to a giant star.

-0.72
M2III
3594K

The red dot in the diagram below shows where 7 Pegasi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 7 Pegasi. Attribution: Richard Powell / CC BY-SA

Alternative designations of 7 Pegasi

SAO127002
SAO127002