HR7903 is a variable hypergiant star in the constellation of Vulpecula.
HR7903 visual magnitude is 6.08. Because of its reltive faintness, HR7903 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 HR7903:
HR7903 is below the horizon from Greenwich, United Kingdom .
Celestial coordinates and finder chart of HR7903
HR7903 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7903 are provided in the following table:
The simplified sky map below shows the position of HR7903 in the sky:
Visibility of HR7903 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's HR7903 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of HR7903
The image below is a photograph of HR7903 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 HR7903 is 0.019 arcsec per year in Right Ascension and 0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR7903 from the Sun and relative movement
HR7903 is distant 926.14 light years from the Sun and it is moving towards the Sun at the speed of 37 kilometers per second.
Spectral properties of HR7903
HR7903 belongs to spectral class A0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where HR7903 is situated in the Hertzsprung–Russell diagram.