78 Pegasi is a double hypergiant star in the constellation of Pegasus.
78 Pegasi visual magnitude is 4.93. Because of its moderate brightness, 78 Pegasi should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about 78 Pegasi:
Celestial coordinates and finder chart of 78 Pegasi
78 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 78 Pegasi are provided in the following table:
The simplified sky map below shows the position of 78 Pegasi in the sky:
Visibility of 78 Pegasi from your location
Digitized Sky Survey image of 78 Pegasi
The image below is a photograph of 78 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 78 Pegasi is 0.071 arcsec per year in Right Ascension and -0.037 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of 78 Pegasi from the Sun and relative movement
78 Pegasi is distant 234.36 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.
Spectral properties of 78 Pegasi
78 Pegasi belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where 78 Pegasi is situated in the Hertzsprung–Russell diagram.
78 Pegasi star system properties
78 Pegasi is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the 78 Pegasi double sysyem: