HR233
HR233 is a variable hypergiant star in the constellation of Cassiopeia.
HR233 visual magnitude is 5.39. Because of its reltive faintness, HR233 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 HR233:
Celestial coordinates and finder chart of HR233
HR233 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 HR233 are provided in the following table:
The simplified sky map below shows the position of HR233 in the sky:
Visibility of HR233 from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
HR233 is circumpolar and transits at 15:44 UTC (altitude: 77.2°)
Digitized Sky Survey image of HR233
The image below is a photograph of HR233 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 HR233 is 0.03 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR233 from the Sun and relative movement
HR233 is distant 812.97 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.
Spectral properties of HR233
HR233 belongs to spectral class G0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where HR233 is situated in the Hertzsprung–Russell diagram.
