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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Centaurus » 


Altitude: -48.2°   Azimuth: 85.3°   Direction: East

HR4850 is a double giant star in the constellation of Centaurus.

HR4850 visual magnitude is 5.86. Because of its reltive faintness, HR4850 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR4850 is -0.007 arcsec per year in Right Ascension and -0.03 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4850 star
DSS2 image of HR4850. The red arrow shows the motion of HR4850 during the next 10000 years (-1.17 arcmin in Right Ascension and -5.00 arcmin in declination);

Key facts about HR4850


HR4850 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -48.2°
Azimuth: 85.3°
Direction: East

Celestial coordinates and finder chart of HR4850

HR4850 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 HR4850 are provided in the following table:

12h 46m 45s
-33° 18’ 56”

The simplified sky map below shows the position of HR4850 in the sky:

Finder chart HR4850 star
Simplified finder chart for HR4850.

Visibility of HR4850 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR4850 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 123.3°
Max altitude: 5.2°
Azimuth: 236.7°

Distance of HR4850 from the Sun and relative movement

HR4850 is distant 383.53 light years from the Sun and it is moving far from the Sun at the speed of 31 kilometers per second.

117.65 pc
383.53 ly
31 km/s
-0.007 arcsec/year
-0.03 arcsec/year

Spectral properties of HR4850

HR4850 belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4850 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4850. Attribution: Richard Powell / CC BY-SA

HR4850 star system properties

HR4850 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR4850 double sysyem:

65 arcsec

Alternative designations of HR4850