HR4001

Below the horizon. Rise: 10:43 | Tran: 16:07 | Set: 21:32

Alt: -0.24° Az: 132.47° Direction: South-East

HR4001 is a giant star of spectral class K2 in the constellation of Vela.

HR4001 visual magnitude is 5.98. Because of its faintness, HR4001 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 HR4001. The red arrow shows the motion of HR4001 during the next 1000 years (0.83 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 11m 42s

Declination -41° 50’ 28”

Hour Angle 18h 32m 22s

Sidereal Time 04h 44m 04s

J2000

Right Ascension 10h 10m 37s

Declination -41° 42’ 54”

Galactic Coordinates

Galactic Longitude 273.45°

Galactic Latitude 11.77°

Finder Chart

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Finder chart for HR4001.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.98

Class Giant

Absolute magnitude 1.81

Spectral Type K2III

Color Index (B-V) 1.24

Temperature 4232K

The red dot in the diagram below shows where HR4001 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4001. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4001 is distant 222.83 light years from the Sun and it is moving far from the Sun at the speed of 33 kilometers per second.

Distance (parsec) 68.35

Distance (light year) 222.83

Radial Speed 33 km/s

Proper Motion RA 0.05 arcsec/y

Proper Motion Dec -0.12"/y

Alternative Designations

Henry Draper Catalogue HD88399

SAO Catalogue SAO221832

Hipparcos Catalogue HIP49844

Durchmusterung Catalogue CD-41 5658

Visibility from Your Location

Today's HR4001 rise, transit and set times from Mokwa, Nigeria are the following (all times relative to the local timezone Africa/Lagos):

Azimuth: 131.8° RISE 10:43

Max altitude: 38.9° TRANSIT 16:07

Azimuth: 228.2° SET 21:32

Name:	Mokwa, Nigeria
Latitude:	9° 17' 41.4" N
Longitude:	5° 3' 14.8" E
Timezone:	Africa/Lagos

Set Location

Other stars in Vela