HR4000

Above the horizon. Rise: 6:12 | Tran: 11:32 | Set: 16:53

Alt: 0.47° Az: 257.40° Direction: West-South-West

HR4000 is a main-sequence star of spectral class A2 in the constellation of Sextans.

HR4000 visual magnitude is 6.25. Because of its faintness, HR4000 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 HR4000. The red arrow shows the motion of HR4000 during the next 10000 years (2.00 arcmin in Right Ascension and -2.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 12m 31s

Declination -07° 26’ 21”

Hour Angle 05h 19m 09s

Sideral Time 15h 31m 41s

J2000

Right Ascension 10h 11m 17s

Declination -07° 19’ 00”

Galactic Coordinates

Galactic Longitude 248.7°

Galactic Latitude 38.16°

Finder Chart

Simplified finder chart for HR4000.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.25

Class Main-sequence

Absolute magnitude 0.39

Spectral Type A2V

Color Index (B-V) 0.01

Temperature 10002K

The red dot in the diagram below shows where HR4000 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4000. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4000 is distant 483.68 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

Distance (parsec) 148.37

Distance (light year) 483.68

Radial Speed 13 km/s

Proper Motion RA 0.012 arcsec/y

Proper Motion Dec -0.014"/y

Alternative Designations

Henry Draper Catalogue HD88372

SAO Catalogue SAO137400

Hipparcos Catalogue HIP49900

Durchmusterung Catalogue BD-06 3096

FK5 Catalogue 2818

Visibility from Your Location

Today's HR4000 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 97.4° RISE 6:12

Max altitude: 31.1° TRANSIT 11:32

Azimuth: 262.6° SET 16:53

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Sextans