HR7940
HR7940 is a giant star in the constellation of Cepheus.
HR7940 visual magnitude is 6.32. Because of its reltive faintness, HR7940 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 HR7940:
Celestial coordinates and finder chart of HR7940
HR7940 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 HR7940 are provided in the following table:
The simplified sky map below shows the position of HR7940 in the sky:
Visibility of HR7940 from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
HR7940 is circumpolar and transits at 15:59 UTC (altitude: 84.4°)
Digitized Sky Survey image of HR7940
The image below is a photograph of HR7940 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 HR7940 is -0.013 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR7940 from the Sun and relative movement
HR7940 is distant 6,269.23 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.
Spectral properties of HR7940
HR7940 belongs to spectral class B2 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR7940 is situated in the Hertzsprung–Russell diagram.
