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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:17
wb_twilight   (Civil Twilight)   What's Visible Now?


Below the horizon.  Never rises today
Altitude: -71.4°   Azimuth: 197.0°   Direction: South-South-West

HR4002 is a multiple hypergiant star of spectral class A0 in the constellation of Carina.

HR4002 visual magnitude is 5.81. Because of its faintness, HR4002 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of HR4002

Finder chart HR4002 star
Simplified finder chart for HR4002.

HR4002 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 HR4002 are provided in the following table:

10h 09m 30s
-68° 40’ 59”
Image of HR4002 star
DSS2 image of HR4002. The red arrow shows the motion of HR4002 during the next 10000 years (-1.33 arcmin in Right Ascension and 1.67 arcmin in declination);

Key facts about HR4002


and has a luminosity class of IV corresponding to a hypergiant star.


The red dot in the diagram below shows where HR4002 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4002. Attribution: Richard Powell / CC BY-SA

HR4002 star system properties

HR4002 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR4002 double sysyem:

0.8 arcsec

Distance of HR4002 from the Sun and relative movement

HR4002 is distant 583.18 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

178.89 pc
583.18 ly
10 km/s
-0.008 arcsec/year
0.01 arcsec/year

Alternative designations of HR4002


Visibility of HR4002 from your location

HR4002 is currently not visible from Greenwich, United Kingdom