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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:11 
Transit: 13:06 
Sunset: 21:00
sunny   (Daytime)   What's Visible Now?
All Constellations » Carina » 

HR4239

Below the horizon.  Never rises today
Alt: -49.99°   Az: 130.86°   Direction: South-East

HR4239 is a double sub-giant star of spectral class B9 in the constellation of Carina.

HR4239 visual magnitude is 5.91. Because of its faintness, HR4239 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 HR4239 star
DSS2 image of HR4239. The red arrow shows the motion of HR4239 during the next 10000 years (-7.17 arcmin in Right Ascension and 0.17 arcmin in declination);

Celestial Coordinates

Apparent

10h 50m 22s
-59° 27’ 14”
16h 52m 21s
03h 42m 43s

J2000

10h 49m 24s
-59° 19’ 24”

Galactic Coordinates

287.92°
-0.06°

Finder Chart

Finder chart HR4239 star
Simplified finder chart for HR4239.

Magnitude, Color, Spectral Class

5.91
Sub-giant

-1.18
B9IV
10125K

The red dot in the diagram below shows where HR4239 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4239. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4239 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR4239 double sysyem:

5.91
7.11
1.2
1.1 arcsec

Distance, Radial Speed, Proper Motion

HR4239 is distant 853.40 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

261.78
853.40
4 km/s
-0.043 arcsec/y
0.001"/y

Alternative Designations

SAO238514
SAO238514

Visibility from Your Location

HR4239 is currently not visible from Greenwich, UK