HR4857
HR4857 is a giant star in the constellation of Hydra.
HR4857 visual magnitude is 6.44. Because of its reltive faintness, HR4857 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 HR4857:
Celestial coordinates and finder chart of HR4857
HR4857 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 HR4857 are provided in the following table:
The simplified sky map below shows the position of HR4857 in the sky:
Visibility of HR4857 from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Today's HR4857 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of HR4857
The image below is a photograph of HR4857 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 HR4857 is -0.041 arcsec per year in Right Ascension and 0.04 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR4857 from the Sun and relative movement
HR4857 is distant 853.40 light years from the Sun and it is moving far from the Sun at the speed of 49 kilometers per second.
Spectral properties of HR4857
HR4857 belongs to spectral class B8 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR4857 is situated in the Hertzsprung–Russell diagram.
