HR4807 is a variable giant star in the constellation of Virgo.
HR4807 visual magnitude is 5.71. Because of its reltive faintness, HR4807 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 HR4807:
Celestial coordinates and finder chart of HR4807
HR4807 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 HR4807 are provided in the following table:
The simplified sky map below shows the position of HR4807 in the sky:
Visibility of HR4807 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's HR4807 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 HR4807
The image below is a photograph of HR4807 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 HR4807 is -0.08 arcsec per year in Right Ascension and -0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR4807 from the Sun and relative movement
HR4807 is distant 500.77 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.
Spectral properties of HR4807
HR4807 belongs to spectral class M3 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR4807 is situated in the Hertzsprung–Russell diagram.