HR8639 is a variable hypergiant star in the constellation of Grus.
HR8639 visual magnitude is 6.07. Because of its reltive faintness, HR8639 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 HR8639:
Celestial coordinates and finder chart of HR8639
HR8639 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8639 are provided in the following table:
The simplified sky map below shows the position of HR8639 in the sky:
Visibility of HR8639 from your location
HR8639 is currently not visible from Greenwich, United Kingdom [change]
Digitized Sky Survey image of HR8639
The image below is a photograph of HR8639 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 HR8639 is 0.042 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 HR8639 from the Sun and relative movement
HR8639 is distant 319.92 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.
Spectral properties of HR8639
HR8639 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 HR8639 is situated in the Hertzsprung–Russell diagram.