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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: 5:43  
clear_day Transit: 12:56  
SunsetSet: 20:10
sunny DaytimeWhat's Visible Now?
All Constellations » Vela » 


Altitude: -85.5°   Azimuth: 354.4°   Direction: North

HR4143 is a double giant star in the constellation of Vela.

HR4143 visual magnitude is 5.02. Because of its reltive faintness, HR4143 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 HR4143 is -0.019 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4143 star
DSS2 image of HR4143. The red arrow shows the motion of HR4143 during the next 10000 years (-3.17 arcmin in Right Ascension and 0.50 arcmin in declination);

Key facts about HR4143


HR4143 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -85.5°
Azimuth: 354.4°
Direction: North

Celestial coordinates and finder chart of HR4143

HR4143 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 HR4143 are provided in the following table:

10h 32m 56s
-47° 00’ 11”

The simplified sky map below shows the position of HR4143 in the sky:

Finder chart HR4143 star
Simplified finder chart for HR4143.

Visibility of HR4143 from your location

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

HR4143 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR4143 from the Sun and relative movement

HR4143 is distant 964.50 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

295.86 pc
964.50 ly
4 km/s
-0.019 arcsec/year
0.003 arcsec/year

Spectral properties of HR4143

HR4143 belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4143 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4143. Attribution: Richard Powell / CC BY-SA

HR4143 star system properties

HR4143 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR4143 double sysyem:

40.2 arcsec

Alternative designations of HR4143