HR4071

Above the horizon. Rise: 7:39 | Tran: 11:23 | Set: 15:07

Alt: 9.75° Az: 150.97° Direction: South-South-East

HR4071 is a star of spectral class A3 in the constellation of Hydra.

HR4071 visual magnitude is 6.5. Because of its faintness, HR4071 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 HR4071. The red arrow shows the motion of HR4071 during the next 10000 years (-8.17 arcmin in Right Ascension and 3.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 22m 38s

Declination -23° 50’ 09”

Hour Angle 21h 53m 54s

Sideral Time 08h 16m 33s

J2000

Right Ascension 10h 21m 28s

Declination -23° 42’ 38”

Galactic Coordinates

Galactic Longitude 263.97°

Galactic Latitude 27.59°

Finder Chart

Simplified finder chart for HR4071.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.5

Class

Absolute magnitude 1.21

Spectral Type A3

Color Index (B-V) 0.2

Temperature 8163K

The red dot in the diagram below shows where HR4071 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4071. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4071 is distant 373.42 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

Distance (parsec) 114.55

Distance (light year) 373.42

Radial Speed 13 km/s

Proper Motion RA -0.049 arcsec/y

Proper Motion Dec 0.019"/y

Alternative Designations

Henry Draper Catalogue HD89816

SAO Catalogue SAO178721

Hipparcos Catalogue HIP50728

Durchmusterung Catalogue BD-22 2904

FK5 Catalogue 2832

Visibility from Your Location

Today's HR4071 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 113.8° RISE 7:39

Max altitude: 14.7° TRANSIT 11:23

Azimuth: 246.2° SET 15:07

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

Location

Other stars in Hydra