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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:03 
Transit: 12:56 
Sunset: 20:50
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All Constellations » Leo » 

HR4012

Below the horizon.  Rise: 11:32 | Tran: 19:25 | Set: 3:22
Alt: -16.10°   Az: 344.29°   Direction: North-North-West

HR4012 is a main-sequence star of spectral class F9 in the constellation of Leo.

HR4012 visual magnitude is 6.02. Because of its faintness, HR4012 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 HR4012 star
DSS2 image of HR4012. The red arrow shows the motion of HR4012 during the next 1000 years (-2.37 arcmin in Right Ascension and -1.37 arcmin in declination);

Celestial Coordinates

Apparent

10h 15m 53s
+21° 02’ 27”
10h 55m 15s
21h 11m 08s

J2000

10h 14m 29s
+21° 10’ 04”

Galactic Coordinates

213.71°
53.85°

Finder Chart

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Finder chart for HR4012.

Magnitude, Color, Spectral Class

6.02
Main-sequence

2.44
F9V
6129K

The red dot in the diagram below shows where HR4012 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4012. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4012 is distant 169.17 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

51.89
169.17
17 km/s
-0.142 arcsec/y
-0.082"/y

Alternative Designations

SAO81250
SAO81250

Visibility from Your Location

Today's HR4012 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 69.0°
Max altitude: 59.6°
Azimuth: 291.0°