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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: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sleep NighttimeWhat's Visible Now?
All Constellations » Pegasus » 

73 Pegasi

Altitude: 70.5°   Azimuth: 206.7°   Direction: South-South-West

73 Pegasi is a giant star in the constellation of Pegasus.

73 Pegasi visual magnitude is 5.63. Because of its reltive faintness, 73 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 73 Pegasi:


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

Altitude: 70.5°
Azimuth: 206.7°
Direction: South-South-West

Celestial coordinates and finder chart of 73 Pegasi

73 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 73 Pegasi are provided in the following table:

23h 34m 38s
+33° 29’ 49”

The simplified sky map below shows the position of 73 Pegasi in the sky:

Finder chart 73 Pegasi star
Simplified finder chart for 73 Pegasi.

Visibility of 73 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 73 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: 56.5°
Max altitude: 72.0°
Azimuth: 303.5°

Digitized Sky Survey image of 73 Pegasi

The image below is a photograph of 73 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 73 Pegasi is 0.001 arcsec per year in Right Ascension and 0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 73 Pegasi star
DSS2 image of 73 Pegasi. The red arrow shows the motion of 73 Pegasi during the next 10000 years (0.17 arcmin in Right Ascension and 3.17 arcmin in declination);

Distance of 73 Pegasi from the Sun and relative movement

73 Pegasi is distant 305.24 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

93.63 pc
305.24 ly
-3 km/s
0.001 arcsec/year
0.019 arcsec/year

Spectral properties of 73 Pegasi

73 Pegasi belongs to spectral class K0


The red dot in the diagram below shows where 73 Pegasi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 73 Pegasi. Attribution: Richard Powell / CC BY-SA

Alternative designations of 73 Pegasi