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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:14 
Transit: 12:14 
Sunset: 17:14
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All Constellations » Centaurus » 

HR4939

Below the horizon.  Never rises today
Alt: -15.18°   Az: 192.94°   Direction: South-South-West

HR4939 is a variable giant star of spectral class M1 in the constellation of Centaurus.

HR4939 visual magnitude is 6.43. Because of its faintness, HR4939 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 HR4939 star
DSS2 image of HR4939. The red arrow shows the motion of HR4939 during the next 10000 years (-8.00 arcmin in Right Ascension and 5.33 arcmin in declination);

Celestial Coordinates

Apparent

13h 07m 00s
-52° 14’ 56”
01h 22m 42s
14h 29m 43s

J2000

13h 05m 30s
-52° 06’ 54”

Galactic Coordinates

305.13°
10.7°

Finder Chart

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Finder chart for HR4939.

Magnitude, Color, Spectral Class

6.43
Giant

-1.21
M1III
3516K

The red dot in the diagram below shows where HR4939 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4939. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4939 is distant 1,101.35 light years from the Sun and it is moving towards the Sun at the speed of 31 kilometers per second.

337.84
1,101.35
-31 km/s
-0.048 arcsec/y
0.032"/y

Alternative Designations

SAO240535
SAO240535

Visibility from Your Location

HR4939 is currently not visible from Greenwich, UK