HR8799 is a variable main-sequence star in the constellation of Pegasus.
HR8799 visual magnitude is 5.99. Because of its reltive faintness, HR8799 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 HR8799:
Celestial coordinates and finder chart of HR8799
HR8799 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 HR8799 are provided in the following table:
The simplified sky map below shows the position of HR8799 in the sky:
Visibility of HR8799 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's HR8799 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of HR8799
The image below is a photograph of HR8799 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 HR8799 is 0.108 arcsec per year in Right Ascension and -0.052 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of HR8799 from the Sun and relative movement
HR8799 is distant 130.19 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.
Spectral properties of HR8799
HR8799 belongs to spectral class A5 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where HR8799 is situated in the Hertzsprung–Russell diagram.