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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: -82.0°   Azimuth: 100.0°   Direction: East

HR4010 is a giant star in the constellation of Vela.

HR4010 visual magnitude is 6.16. Because of its reltive faintness, HR4010 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 HR4010 is -0.041 arcsec per year in Right Ascension and 0.046 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4010 star
DSS2 image of HR4010. The red arrow shows the motion of HR4010 during the next 10000 years (-6.83 arcmin in Right Ascension and 7.67 arcmin in declination);

Key facts about HR4010


HR4010 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -82.0°
Azimuth: 100.0°
Direction: East

Celestial coordinates and finder chart of HR4010

HR4010 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 HR4010 are provided in the following table:

10h 12m 23s
-52° 09’ 47”

The simplified sky map below shows the position of HR4010 in the sky:

Finder chart HR4010 star
Simplified finder chart for HR4010.

Visibility of HR4010 from your location

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

HR4010 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR4010 from the Sun and relative movement

HR4010 is distant 334.36 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

102.56 pc
334.36 ly
11 km/s
-0.041 arcsec/year
0.046 arcsec/year

Spectral properties of HR4010

HR4010 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 HR4010 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4010. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4010