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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
north SunriseRise: 7:51  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
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All Constellations » Carina » 


Altitude: -24.2°   Azimuth: 171.3°   Direction: South

HR4338 is a variable supergiant star in the constellation of Carina.

HR4338 visual magnitude is 5.13. Because of its reltive faintness, HR4338 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR4338:


HR4338 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -24.2°
Azimuth: 171.3°
Direction: South

Celestial coordinates and finder chart of HR4338

HR4338 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 HR4338 are provided in the following table:

11h 08m 34s
-61° 56’ 49”

The simplified sky map below shows the position of HR4338 in the sky:

Finder chart HR4338 star
Simplified finder chart for HR4338.

Visibility of HR4338 from your location

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

HR4338 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR4338

The image below is a photograph of HR4338 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR4338 is -0.006 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR4338 star
DSS2 image of HR4338. The red arrow shows the motion of HR4338 during the next 100000 years (-10.00 arcmin in Right Ascension and 3.33 arcmin in declination);

Distance of HR4338 from the Sun and relative movement

HR4338 is distant 5,525.42 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

1,694.92 pc
5,525.42 ly
-22 km/s
-0.006 arcsec/year
0.002 arcsec/year

Spectral properties of HR4338

HR4338 belongs to spectral class B9 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR4338 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4338. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4338