HR4571

Above the horizon. Rise: 11:19 | Tran: 13:34 | Set: 15:49

Alt: 1.93° Az: 201.89° Direction: South-South-West

HR4571 is a variable hypergiant star of spectral class A0 in the constellation of Hydra.

HR4571 visual magnitude is 6.21. Because of its faintness, HR4571 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 HR4571. The red arrow shows the motion of HR4571 during the next 10000 years (-9.17 arcmin in Right Ascension and 0.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 58m 19s

Declination -33° 27’ 09”

Hour Angle 01h 46m 05s

Sideral Time 13h 44m 24s

J2000

Right Ascension 11h 57m 03s

Declination -33° 18’ 55”

Galactic Coordinates

Galactic Longitude 290.06°

Galactic Latitude 28.19°

Finder Chart

Simplified finder chart for HR4571.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.21

Class Hypergiant

Absolute magnitude 0.89

Spectral Type A0V

Color Index (B-V) -0.04

Temperature 10653K

The red dot in the diagram below shows where HR4571 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4571. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4571 is distant 377.75 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 115.87

Distance (light year) 377.75

Radial Speed -10 km/s

Proper Motion RA -0.055 arcsec/y

Proper Motion Dec 0.003"/y

Alternative Designations

Henry Draper Catalogue HD103789

SAO Catalogue SAO202971

Hipparcos Catalogue HIP58272

Durchmusterung Catalogue CD-32 8413

General Catalogue of Variable Stars LV Hya

Visibility from Your Location

Today's HR4571 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 123.5° RISE 11:19

Max altitude: 5.1° TRANSIT 13:34

Azimuth: 236.5° SET 15:49

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

Location

Other stars in Hydra