HR7743 is a double hypergiant star in the constellation of Cygnus.
HR7743 visual magnitude is 5.66. Because of its reltive faintness, HR7743 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 HR7743:
Celestial coordinates and finder chart of HR7743
HR7743 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 HR7743 are provided in the following table:
The simplified sky map below shows the position of HR7743 in the sky:
Visibility of HR7743 from your location
Digitized Sky Survey image of HR7743
The image below is a photograph of HR7743 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 HR7743 is -0.04 arcsec per year in Right Ascension and -0.106 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of HR7743 from the Sun and relative movement
HR7743 is distant 300.18 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.
Spectral properties of HR7743
HR7743 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where HR7743 is situated in the Hertzsprung–Russell diagram.
HR7743 star system properties
HR7743 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 HR7743 double sysyem: