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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:00 
Transit: 13:05 
Sunset: 21:10
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All Constellations » Boötes » 

HR5857

Above the horizon.  Circumpolar today
Alt: 70.51°   Az: 284.91°   Direction: West-North-West

HR5857 is a variable star of spectral class B9 in the constellation of Boötes.

HR5857 visual magnitude is 5.51. Because of its faintness, HR5857 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of HR5857 star
DSS2 image of HR5857. The red arrow shows the motion of HR5857 during the next 10000 years (-11.17 arcmin in Right Ascension and 5.33 arcmin in declination);

Celestial Coordinates

Apparent

15h 43m 32s
+52° 16’ 51”
02h 07m 11s
17h 50m 43s

J2000

15h 42m 50s
+52° 21’ 38”

Galactic Coordinates

83.25°
49.42°

Finder Chart

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Finder chart for HR5857.

Magnitude, Color, Spectral Class

5.51
HR5857 is also a SiCr chemically peculiar star.

0.57
B9
11092K

The red dot in the diagram below shows where HR5857 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5857. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

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.

97.09
316.50
-16 km/s
-0.067 arcsec/y
0.032"/y

Alternative Designations

SAO29628
SAO29628

Visibility from Your Location

HR5857 is circumpolar and transits at 20:11 UTC (altitude: 89.2°)