HR7540 is a hypergiant star in the constellation of Vulpecula.
HR7540 visual magnitude is 5.95. Because of its reltive faintness, HR7540 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 HR7540:
Celestial coordinates and finder chart of HR7540
HR7540 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 HR7540 are provided in the following table:
The simplified sky map below shows the position of HR7540 in the sky:
Visibility of HR7540 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's HR7540 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 HR7540
The image below is a photograph of HR7540 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 HR7540 is 0.082 arcsec per year in Right Ascension and -0.026 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR7540 from the Sun and relative movement
HR7540 is distant 399.51 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.
Spectral properties of HR7540
HR7540 belongs to spectral class K0 and has a luminosity class of II corresponding to a hypergiant star.
The red dot in the diagram below shows where HR7540 is situated in the Hertzsprung–Russell diagram.