HR398 is a hypergiant star in the constellation of Cassiopeia.
HR398 visual magnitude is 6.49. Because of its reltive faintness, HR398 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 HR398:
Celestial coordinates and finder chart of HR398
HR398 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 HR398 are provided in the following table:
The simplified sky map below shows the position of HR398 in the sky:
Visibility of HR398 from your location
HR398 is circumpolar and transits at 20:43 UTC (altitude: 70.5°)
Digitized Sky Survey image of HR398
The image below is a photograph of HR398 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 HR398 is 0.016 arcsec per year in Right Ascension and -0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR398 from the Sun and relative movement
HR398 is distant 514.20 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.
Spectral properties of HR398
HR398 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.
The red dot in the diagram below shows where HR398 is situated in the Hertzsprung–Russell diagram.