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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:15 
Transit: 13:06 
Sunset: 20:56
wb_twilight   (Civil Twilight)   What's Visible Now?
All Constellations » Ursa Major » 

57 Ursae Majoris

Above the horizon.  Circumpolar today
Alt: 1.65°   Az: 11.71°   Direction: North-North-East

57 Ursae Majoris is a multiple main-sequence star of spectral class A2 in the constellation of Ursa Major.

57 Ursae Majoris visual magnitude is 5.31. Because of its faintness, 57 Ursae Majoris 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 57 Ursae Majoris star
DSS2 image of 57 Ursae Majoris. The red arrow shows the motion of 57 Ursae Majoris during the next 10000 years (-8.33 arcmin in Right Ascension and 2.67 arcmin in declination);

Celestial Coordinates

Apparent

11h 30m 23s
+39° 12’ 04”
13h 00m 42s
00h 31m 06s

J2000

11h 29m 04s
+39° 20’ 12”

Galactic Coordinates

172.23°
68.97°

Finder Chart

Finder chart 57 Ursae Majoris star
Simplified finder chart for 57 Ursae Majoris.

Magnitude, Color, Spectral Class

5.31
Main-sequence

1.27
A2V
10002K

The red dot in the diagram below shows where 57 Ursae Majoris is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 57 Ursae Majoris. Attribution: Richard Powell / CC BY-SA

Star System Properties

57 Ursae Majoris is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 57 Ursae Majoris double sysyem:

5.31
7.81
2.5
346.3 arcsec

Distance, Radial Speed, Proper Motion

57 Ursae Majoris is distant 209.11 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

64.14
209.11
-11 km/s
-0.05 arcsec/y
0.016"/y

Alternative Designations

57 Ursae Majoris
SAO62572
SAO62572

Visibility from Your Location

57 Ursae Majoris is circumpolar and transits at 15:15 UTC (altitude: 77.7°)