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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:00 
Transit: 13:04 
Sunset: 21:07
wb_twilight   (Civil Twilight)   What's Visible Now?
All Constellations » Pegasus » 

57 Pegasi

Above the horizon.  Rise: 21:50 | Tran: 4:36 | Set: 11:19
Alt: 0.21°   Az: 76.04°   Direction: East-North-East

57 Pegasi is a variable and double giant star of spectral class M4 in the constellation of Pegasus.

57 Pegasi visual magnitude is 5.12. Because of its faintness, 57 Pegasi is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

57 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.

Image of 57 Pegasi star
DSS2 image of 57 Pegasi. The red arrow shows the motion of 57 Pegasi during the next 100000 years (6.67 arcmin in Right Ascension and 3.33 arcmin in declination);

Celestial Coordinates

Apparent

23h 10m 45s
+08° 48’ 38”
17h 16m 29s
16h 27m 15s

J2000

23h 09m 31s
+08° 40’ 37”

Galactic Coordinates

84.77°
-46.51°

Finder Chart

Finder chart 57 Pegasi star
Simplified finder chart for 57 Pegasi.

Magnitude, Color, Spectral Class

5.12
Giant

-1.72
M4III
3839K

The red dot in the diagram below shows where 57 Pegasi is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 57 Pegasi. Attribution: Richard Powell / CC BY-SA

Star System Properties

57 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 57 Pegasi double sysyem:

5.12
10.62
5.5
32.9 arcsec

Distance, Radial Speed, Proper Motion

57 Pegasi is distant 761.68 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

233.64 pc
761.68 ly
14 km/s
0.004 arcsec/y
0.002 "/y

Alternative Designations

SAO128001
SAO128001

Visibility from Your Location

Today's 57 Pegasi rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 81.2°
Max altitude: 47.3°
Azimuth: 278.8°