HR5857
HR5857 is a variable star in the constellation of Boötes.
HR5857 visual magnitude is 5.51. Because of its reltive faintness, HR5857 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.
The proper motion of HR5857 is -0.067 arcsec per year in Right Ascension and 0.032 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about HR5857
HR5857 is above the horizon from Greenwich, United Kingdom.
Altitude: 48.3°
Azimuth: 59.9°
Direction: East-North-East
Celestial coordinates and finder chart of HR5857
HR5857 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 HR5857 are provided in the following table:
The simplified sky map below shows the position of HR5857 in the sky:
Visibility of HR5857 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
HR5857 is circumpolar and transits at 00:41 UTC (altitude: 89.1°)
Distance of HR5857 from the Sun and relative movement
HR5857 is distant 316.50 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.
Spectral properties of HR5857
HR5857 belongs to spectral class B9 HR5857 is also a SiCr chemically peculiar star.
The red dot in the diagram below shows where HR5857 is situated in the Hertzsprung–Russell diagram.
