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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:17
wb_twilight   (Nautical Twilight)   What's Visible Now?


Below the horizon.  Never rises today
Altitude: -44.4°   Azimuth: 259.5°   Direction: West

HR4648 is a sub-giant star of spectral class B4 in the constellation of Centaurus.

HR4648 visual magnitude is 5.76. Because of its faintness, HR4648 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.

Celestial coordinates and finder chart of HR4648

Finder chart HR4648 star
Simplified finder chart for HR4648.

HR4648 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4648 are provided in the following table:

12h 13m 25s
-38° 55’ 45”
Image of HR4648 star
DSS2 image of HR4648. The red arrow shows the motion of HR4648 during the next 100000 years (-5.00 arcmin in Right Ascension and -10.00 arcmin in declination);

Key facts about HR4648


and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR4648 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4648. Attribution: Richard Powell / CC BY-SA

Distance of HR4648 from the Sun and relative movement

HR4648 is distant 2,037.50 light years from the Sun and it is moving towards the Sun at the speed of 43 kilometers per second.

625.00 pc
2,037.50 ly
-43 km/s
-0.003 arcsec/year
-0.006 arcsec/year

Alternative designations of HR4648


Visibility of HR4648 from your location

HR4648 is currently not visible from Greenwich, United Kingdom