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

75 Pegasi

75 Pegasi is a variable and double main-sequence star in the constellation of Pegasus.

75 Pegasi visual magnitude is 5.53. Because of its reltive faintness, 75 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 75 Pegasi:

5.53
Main-sequence
75 Pegasi is above the horizon from Greenwich, United Kingdom [change]. Altitude: 57°.

Celestial coordinates and finder chart of 75 Pegasi

75 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 75 Pegasi are provided in the following table:

23h 37m 56s
+18° 24’ 02”
99.54°
-41.11°
Pegasus

The simplified sky map below shows the position of 75 Pegasi in the sky:

Finder chart 75 Pegasi star
Simplified finder chart for 75 Pegasi.

Visibility of 75 Pegasi from your location

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

Today's 75 Pegasi rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 71.6°
Max altitude: 56.9°
Azimuth: 288.4°
75 Pegasi is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 75 Pegasi

The image below is a photograph of 75 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 75 Pegasi is 0.05 arcsec per year in Right Ascension and 0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 75 Pegasi star
DSS2 image of 75 Pegasi. The red arrow shows the motion of 75 Pegasi during the next 10000 years (8.33 arcmin in Right Ascension and 2.83 arcmin in declination);

Distance of 75 Pegasi from the Sun and relative movement

75 Pegasi is distant 238.83 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

73.26 pc
238.83 ly
-16 km/s
0.05 arcsec/year
0.017 arcsec/year

Spectral properties of 75 Pegasi

75 Pegasi belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.

1.21
A1V
10125K

The red dot in the diagram below shows where 75 Pegasi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 75 Pegasi. Attribution: Richard Powell / CC BY-SA

75 Pegasi star system properties

75 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 75 Pegasi double sysyem:

5.53
11.73
6.2
27.9 arcsec

Alternative designations of 75 Pegasi

SAO108732
SAO108732