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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:08 
Transit: 13:06 
Sunset: 21:03
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Ursa Major » 

HR4191

Above the horizon.  Circumpolar today
Alt: 9.78°   Az: 343.13°   Direction: North-North-West

HR4191 is a multiple giant star of spectral class F5 in the constellation of Ursa Major.

HR4191 visual magnitude is 5.18. Because of its faintness, HR4191 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 HR4191 star
DSS2 image of HR4191. The red arrow shows the motion of HR4191 during the next 1000 years (-4.48 arcmin in Right Ascension and -1.10 arcmin in declination);

Celestial Coordinates

Apparent

10h 44m 59s
+46° 04’ 28”
10h 22m 37s
21h 07m 37s

J2000

10h 43m 32s
+46° 12’ 14”

Galactic Coordinates

167.29°
58.39°

Finder Chart

Finder chart HR4191 star
Simplified finder chart for HR4191.

Magnitude, Color, Spectral Class

5.18
Giant

2.42
F5III
7276K

The red dot in the diagram below shows where HR4191 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4191. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4191 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR4191 double sysyem:

5.18
7.98
2.8
286.9 arcsec

Distance, Radial Speed, Proper Motion

HR4191 is distant 116.22 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

35.65
116.22
4 km/s
-0.269 arcsec/y
-0.066"/y

Alternative Designations

SAO43444
SAO43444

Visibility from Your Location

HR4191 is circumpolar and transits at 14:49 UTC (altitude: 84.6°)