HR8857 is a hypergiant star in the constellation of Andromeda.
HR8857 visual magnitude is 6.43. Because of its reltive faintness, HR8857 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 HR8857:
Celestial coordinates and finder chart of HR8857
HR8857 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 HR8857 are provided in the following table:
The simplified sky map below shows the position of HR8857 in the sky:
Visibility of HR8857 from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
HR8857 is circumpolar and transits at 10:46 UTC (altitude: 83.7°)
Digitized Sky Survey image of HR8857
The image below is a photograph of HR8857 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 HR8857 is 0.097 arcsec per year in Right Ascension and -0.065 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of HR8857 from the Sun and relative movement
HR8857 is distant 240.95 light years from the Sun and it is moving towards the Sun at the speed of 38 kilometers per second.
Spectral properties of HR8857
HR8857 belongs to spectral class K0 and has a luminosity class of IV corresponding to a hypergiant star.
The red dot in the diagram below shows where HR8857 is situated in the Hertzsprung–Russell diagram.