HR6840 is a giant star in the constellation of Serpens.
HR6840 visual magnitude is 6. Because of its reltive faintness, HR6840 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 HR6840:
Celestial coordinates and finder chart of HR6840
HR6840 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 HR6840 are provided in the following table:
The simplified sky map below shows the position of HR6840 in the sky:
Visibility of HR6840 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's HR6840 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 HR6840
The image below is a photograph of HR6840 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 HR6840 is 0.012 arcsec per year in Right Ascension and -0.268 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of HR6840 from the Sun and relative movement
HR6840 is distant 328.96 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.
Spectral properties of HR6840
HR6840 belongs to spectral class G3 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR6840 is situated in the Hertzsprung–Russell diagram.