HR8164 is a multiple supergiant star in the constellation of Cepheus.
HR8164 visual magnitude is 5.66. Because of its reltive faintness, HR8164 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 HR8164:
Celestial coordinates and finder chart of HR8164
HR8164 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 HR8164 are provided in the following table:
The simplified sky map below shows the position of HR8164 in the sky:
Visibility of HR8164 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
HR8164 is circumpolar and transits at 04:41 UTC (altitude: 82.9°)
Digitized Sky Survey image of HR8164
The image below is a photograph of HR8164 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 HR8164 is 0.005 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of HR8164 from the Sun and relative movement
HR8164 is distant 3,662.92 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.
Spectral properties of HR8164
HR8164 belongs to spectral class M1 and has a luminosity class of I corresponding to a supergiant star.
The red dot in the diagram below shows where HR8164 is situated in the Hertzsprung–Russell diagram.
HR8164 star system properties
HR8164 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR8164 double sysyem: