HR6857 is a double giant star in the constellation of Ophiuchus.
HR6857 visual magnitude is 5.39. Because of its reltive faintness, HR6857 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 HR6857:
Celestial coordinates and finder chart of HR6857
HR6857 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 HR6857 are provided in the following table:
The simplified sky map below shows the position of HR6857 in the sky:
Visibility of HR6857 from your location
Today's HR6857 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 HR6857
The image below is a photograph of HR6857 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 HR6857 is -0.047 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR6857 from the Sun and relative movement
HR6857 is distant 146.58 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.
Spectral properties of HR6857
HR6857 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR6857 is situated in the Hertzsprung–Russell diagram.
HR6857 star system properties
HR6857 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR6857 double sysyem: