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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: 6:57  
clear_day Transit: 12:11  
SunsetSet: 17:27
sunny DaytimeWhat's Visible Now?
All Constellations » Carina » 


Altitude: -77.5°   Azimuth: 142.2°   Direction: South-East

HR4271 is a variable hypergiant star in the constellation of Carina.

HR4271 visual magnitude is 5.92. Because of its reltive faintness, HR4271 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR4271 is -0.036 arcsec per year in Right Ascension and 0.084 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4271 star
DSS2 image of HR4271. The red arrow shows the motion of HR4271 during the next 10000 years (-6.00 arcmin in Right Ascension and 14.00 arcmin in declination);

Key facts about HR4271


HR4271 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -77.5°
Azimuth: 142.2°
Direction: South-East

Celestial coordinates and finder chart of HR4271

HR4271 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 HR4271 are provided in the following table:

10h 55m 17s
-60° 31’ 00”

The simplified sky map below shows the position of HR4271 in the sky:

Finder chart HR4271 star
Simplified finder chart for HR4271.

Visibility of HR4271 from your location

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

HR4271 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR4271 from the Sun and relative movement

HR4271 is distant 305.82 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

93.81 pc
305.82 ly
-26 km/s
-0.036 arcsec/year
0.084 arcsec/year

Spectral properties of HR4271

HR4271 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR4271 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4271. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4271