HR7993 is a hypergiant star in the constellation of Cepheus.
HR7993 visual magnitude is 6.45. Because of its reltive faintness, HR7993 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 HR7993:
Celestial coordinates and finder chart of HR7993
HR7993 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 HR7993 are provided in the following table:
The simplified sky map below shows the position of HR7993 in the sky:
Visibility of HR7993 from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
HR7993 is circumpolar and transits at 08:27 UTC (altitude: 77.4°)
Digitized Sky Survey image of HR7993
The image below is a photograph of HR7993 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 HR7993 is -0.006 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of HR7993 from the Sun and relative movement
HR7993 is distant 2,566.93 light years from the Sun and it is moving towards the Sun at the speed of 27 kilometers per second.
Spectral properties of HR7993
HR7993 belongs to spectral class B0 and has a luminosity class of V corresponding to a hypergiant star.
The red dot in the diagram below shows where HR7993 is situated in the Hertzsprung–Russell diagram.