HR266 is a multiple sub-giant star in the constellation of Cassiopeia.
HR266 visual magnitude is 5.55. Because of its reltive faintness, HR266 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 HR266:
Celestial coordinates and finder chart of HR266
HR266 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 HR266 are provided in the following table:
The simplified sky map below shows the position of HR266 in the sky:
Visibility of HR266 from your location
HR266 is circumpolar and transits at 15:46 UTC (altitude: 81.1°)
Digitized Sky Survey image of HR266
The image below is a photograph of HR266 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 HR266 is 0.032 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR266 from the Sun and relative movement
HR266 is distant 613.94 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.
Spectral properties of HR266
HR266 belongs to spectral class B9 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where HR266 is situated in the Hertzsprung–Russell diagram.
HR266 star system properties
HR266 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 HR266 double sysyem: