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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: 7:52  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sleep NighttimeWhat's Visible Now?
All Constellations » Eridanus » 


Altitude: 0.1°   Azimuth: 192.8°   Direction: South-South-West

HR1143 is a double giant star in the constellation of Eridanus.

HR1143 visual magnitude is 4.59. Because of its moderate brightness, HR1143 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR1143:


HR1143 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 0.1°
Azimuth: 192.8°
Direction: South-South-West

Celestial coordinates and finder chart of HR1143

HR1143 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 HR1143 are provided in the following table:

03h 42m 50s
-37° 18’ 48”

The simplified sky map below shows the position of HR1143 in the sky:

Finder chart HR1143 star
Simplified finder chart for HR1143.

Visibility of HR1143 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 HR1143 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: 127.3°
Max altitude: 1.2°
Azimuth: 232.7°

Digitized Sky Survey image of HR1143

The image below is a photograph of HR1143 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 HR1143 is -0.088 arcsec per year in Right Ascension and -0.077 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1143 star
DSS2 image of HR1143. The red arrow shows the motion of HR1143 during the next 10000 years (-14.67 arcmin in Right Ascension and -12.83 arcmin in declination);

Distance of HR1143 from the Sun and relative movement

HR1143 is distant 177.75 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

54.53 pc
177.75 ly
10 km/s
-0.088 arcsec/year
-0.077 arcsec/year

Spectral properties of HR1143

HR1143 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR1143 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1143. Attribution: Richard Powell / CC BY-SA

HR1143 star system properties

HR1143 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 HR1143 double sysyem:

5.4 arcsec

Alternative designations of HR1143