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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: 6:48  
clear_day Transit: 12:11  
SunsetSet: 17:34
sunny DaytimeWhat's Visible Now?
All Constellations » Carina » 


Altitude: -82.2°   Azimuth: 207.7°   Direction: South-South-West

HR4147 is a variable supergiant star in the constellation of Carina.

HR4147 visual magnitude is 6.14. Because of its reltive faintness, HR4147 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 HR4147 is -0.017 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 HR4147 star
DSS2 image of HR4147. The red arrow shows the motion of HR4147 during the next 10000 years (-2.83 arcmin in Right Ascension and -0.50 arcmin in declination);

Key facts about HR4147


HR4147 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -82.2°
Azimuth: 207.7°
Direction: South-South-West

Celestial coordinates and finder chart of HR4147

HR4147 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 HR4147 are provided in the following table:

10h 33m 25s
-58° 11’ 25”

The simplified sky map below shows the position of HR4147 in the sky:

Finder chart HR4147 star
Simplified finder chart for HR4147.

Visibility of HR4147 from your location

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

HR4147 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR4147 from the Sun and relative movement

HR4147 is distant 13,583.33 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

4,166.67 pc
13,583.33 ly
7 km/s
-0.017 arcsec/year
-0.003 arcsec/year

Spectral properties of HR4147

HR4147 belongs to spectral class B7 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR4147 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4147. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4147