4 Pegasi
4 Pegasi is a double sub-giant star of spectral class A9 in the constellation of Pegasus.
4 Pegasi visual magnitude is 5.67. Because of its faintness, 4 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.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Simplified finder chart for 4 Pegasi.
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where 4 Pegasi is situated in the Hertzsprung–Russell diagram.
Star System Properties
4 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 4 Pegasi double sysyem:
Distance, Radial Speed, Proper Motion
4 Pegasi is distant 173.96 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's 4 Pegasi rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):