HR4556

Below the horizon. Rise: 11:21 | Tran: 17:19 | Set: 23:21

Alt: -7.22° Az: 211.73° Direction: South-South-West

HR4556 is a hypergiant star of spectral class A0 in the constellation of Centaurus.

HR4556 visual magnitude is 6.06. Because of its faintness, HR4556 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 HR4556. The red arrow shows the motion of HR4556 during the next 10000 years (-2.33 arcmin in Right Ascension and 0.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 55m 28s

Declination -57° 33’ 06”

Hour Angle 06h 53m 54s

Sidereal Time 18h 49m 22s

J2000

Right Ascension 11h 54m 11s

Declination -57° 24’ 35”

Galactic Coordinates

Galactic Longitude 295.26°

Galactic Latitude 4.61°

Finder Chart

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Finder chart for HR4556.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.06

Class Hypergiant

Absolute magnitude -2.06

Spectral Type A0III

Color Index (B-V) 0.05

Temperature 9542K

The red dot in the diagram below shows where HR4556 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4556. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4556 is distant 1,369.75 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

Distance (parsec) 420.17

Distance (light year) 1,369.75

Radial Speed -14 km/s

Proper Motion RA -0.014 arcsec/y

Proper Motion Dec 0.005"/y

Alternative Designations

Henry Draper Catalogue HD103400

SAO Catalogue SAO239475

Hipparcos Catalogue HIP58041

Durchmusterung Catalogue CP-56 4861

Visibility from Your Location

Today's HR4556 rise, transit and set times from Cayambe, Ecuador are the following (all times relative to the local timezone America/Guayaquil):

Azimuth: 147.6° RISE 11:21

Max altitude: 32.4° TRANSIT 17:19

Azimuth: 212.4° SET 23:21

Name:	Cayambe, Ecuador
Latitude:	0° 2' 27.0" N
Longitude:	78° 8' 42.7" W
Timezone:	America/Guayaquil

Set Location

Other stars in Centaurus