HR4002

Below the horizon. Never rises today

Alt: -69.05° Az: 205.06° 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.

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);

Celestial Coordinates

Apparent

Right Ascension 10h 10m 07s

Declination -68° 48’ 23”

Hour Angle 10h 20m 56s

Sidereal Time 20h 31m 03s

J2000

Right Ascension 10h 09m 30s

Declination -68° 40’ 59”

Galactic Coordinates

Galactic Longitude 289.05°

Galactic Latitude -10.29°

Finder Chart

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Finder chart for HR4002.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.81

Class Hypergiant

Absolute magnitude -0.45

Spectral Type A0IV

Color Index (B-V) 0.02

Temperature 9882K

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

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

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:

Main star magnitude 5.81

Secondary star magnitude 5.91

Magnitude difference 0.1

Separation 0.8 arcsec

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 178.89

Distance (light year) 583.18

Radial Speed 10 km/s

Proper Motion RA -0.008 arcsec/y

Proper Motion Dec 0.01"/y

Alternative Designations

Henry Draper Catalogue HD88473

SAO Catalogue SAO250844

Hipparcos Catalogue HIP49764

Durchmusterung Catalogue CP-68 1034

Visibility from Your Location

HR4002 is currently not visible from Greenwich, UK

Set Location

Other stars in Carina