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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:15 
Transit: 12:47 
Sunset: 18:17
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All Constellations » Centaurus » 

HR4721

Below the horizon.  Never rises today
Alt: -56.50°   Az: 265.81°   Direction: West

HR4721 is a giant star of spectral class G5 in the constellation of Centaurus.

HR4721 visual magnitude is 6.11. Because of its faintness, HR4721 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 HR4721 star
DSS2 image of HR4721. The red arrow shows the motion of HR4721 during the next 1000 years (-2.17 arcmin in Right Ascension and -0.37 arcmin in declination);

Celestial Coordinates

Apparent

12h 26m 28s
-42° 39’ 05”
08h 46m 09s
21h 12m 37s

J2000

12h 25m 08s
-42° 30’ 51”

Galactic Coordinates

297.78°
20.09°

Finder Chart

Finder chart HR4721 star
Simplified finder chart for HR4721.

Magnitude, Color, Spectral Class

6.11
Giant

2.50
G5III
5778K

The red dot in the diagram below shows where HR4721 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4721. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4721 is distant 171.94 light years from the Sun and it is moving far from the Sun at the speed of 34 kilometers per second.

52.74
171.94
34 km/s
-0.13 arcsec/y
-0.022"/y

Alternative Designations

SAO223426
SAO223426

Visibility from Your Location

HR4721 is currently not visible from Greenwich, UK