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public LocationGreenwich, UK
Sunrise: 4:58 
Transit: 13:04 
Sunset: 21:09
sunny   (Daytime)   What's Visible Now?
All Constellations » Centaurus » 


Below the horizon.  Never rises today
Altitude: -79.3°   Azimuth: 96.1°   Direction: East

HR4637 is a giant star of spectral class G6 in the constellation of Centaurus.

HR4637 visual magnitude is 6.23. Because of its faintness, HR4637 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.

HR4637 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere.

Image of HR4637 star
DSS2 image of HR4637. The red arrow shows the motion of HR4637 during the next 1000 years (-3.47 arcmin in Right Ascension and -1.12 arcmin in declination);

Apparent Coordinates

12h 12m 49s
-51° 29’ 44”

J2000 Coordinates

12h 11m 31s
-51° 21’ 33”

Galactic Coordinates


Finder Chart

Finder chart HR4637 star
Simplified finder chart for HR4637.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where HR4637 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4637. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4637 is distant 174.05 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.

53.39 pc
174.05 ly
26 km/s
-0.208 arcsec/y
-0.067 "/y

Alternative Designations


Visibility from Your Location

HR4637 is currently not visible from Greenwich, UK