HR8666 is a variable hypergiant star in the constellation of Lacerta.
HR8666 visual magnitude is 5.76. Because of its reltive faintness, HR8666 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 HR8666:
Celestial coordinates and finder chart of HR8666
HR8666 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8666 are provided in the following table:
The simplified sky map below shows the position of HR8666 in the sky:
Visibility of HR8666 from your location
HR8666 is circumpolar and transits at 18:18 UTC (altitude: 83.1°)
Digitized Sky Survey image of HR8666
The image below is a photograph of HR8666 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 HR8666 is 0.14 arcsec per year in Right Ascension and 0.032 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of HR8666 from the Sun and relative movement
HR8666 is distant 173.50 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.
Spectral properties of HR8666
HR8666 belongs to spectral class F0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where HR8666 is situated in the Hertzsprung–Russell diagram.