HR540 is a star in the constellation of Perseus.
HR540 visual magnitude is 6.45. Because of its reltive faintness, HR540 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 HR540:
HR540 is above the horizon from Greenwich, United Kingdom .
Celestial coordinates and finder chart of HR540
HR540 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 HR540 are provided in the following table:
The simplified sky map below shows the position of HR540 in the sky:
Visibility of HR540 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
HR540 is circumpolar and transits at 08:55 UTC (altitude: 85.9°)
Digitized Sky Survey image of HR540
The image below is a photograph of HR540 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 HR540 is 0.049 arcsec per year in Right Ascension and 0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR540 from the Sun and relative movement
HR540 is distant 239.53 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.
Spectral properties of HR540
HR540 belongs to spectral class A5
The red dot in the diagram below shows where HR540 is situated in the Hertzsprung–Russell diagram.