HR8990 is a double giant star in the constellation of Cassiopeia.
HR8990 visual magnitude is 6.4. Because of its reltive faintness, HR8990 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 HR8990:
Celestial coordinates and finder chart of HR8990
HR8990 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8990 are provided in the following table:
The simplified sky map below shows the position of HR8990 in the sky:
Visibility of HR8990 from your location
HR8990 is circumpolar and transits at 18:53 UTC (altitude: 79.8°)
Digitized Sky Survey image of HR8990
The image below is a photograph of HR8990 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 HR8990 is 0.043 arcsec per year in Right Ascension and -0.021 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR8990 from the Sun and relative movement
HR8990 is distant 459.15 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.
Spectral properties of HR8990
HR8990 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR8990 is situated in the Hertzsprung–Russell diagram.
HR8990 star system properties
HR8990 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 HR8990 double sysyem: