HR8155 is a multiple sub-giant star in the constellation of Cygnus.
HR8155 visual magnitude is 6.15. Because of its reltive faintness, HR8155 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 HR8155:
Celestial coordinates and finder chart of HR8155
HR8155 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 HR8155 are provided in the following table:
The simplified sky map below shows the position of HR8155 in the sky:
Visibility of HR8155 from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
HR8155 is circumpolar and transits at 09:16 UTC (altitude: 79.6°)
Digitized Sky Survey image of HR8155
The image below is a photograph of HR8155 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 HR8155 is -0.006 arcsec per year in Right Ascension and 0.009 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of HR8155 from the Sun and relative movement
HR8155 is distant 1,697.92 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.
Spectral properties of HR8155
HR8155 belongs to spectral class A5 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where HR8155 is situated in the Hertzsprung–Russell diagram.
HR8155 star system properties
HR8155 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 HR8155 double sysyem: