HR5558

Above the horizon. Rise: 14:22 | Tran: 20:24 | Set: 2:22

Alt: 26.04° Az: 231.53° Direction: South-West

HR5558 is a double hypergiant star of spectral class A0 in the constellation of Centaurus.

HR5558 visual magnitude is 5.32. Because of its faintness, HR5558 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 HR5558. The red arrow shows the motion of HR5558 during the next 10000 years (3.33 arcmin in Right Ascension and 0.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 14h 57m 19s

Declination -33° 57’ 27”

Hour Angle 03h 52m 01s

Sidereal Time 18h 49m 20s

J2000

Right Ascension 14h 55m 44s

Declination -33° 51’ 20”

Galactic Coordinates

Galactic Longitude 330.53°

Galactic Latitude 22.27°

Finder Chart

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Finder chart for HR5558.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.32

Class Hypergiant

Absolute magnitude 0.92

Spectral Type A0V

Color Index (B-V) 0.04

Temperature 9652K

The red dot in the diagram below shows where HR5558 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5558. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR5558 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR5558 double sysyem:

Main star magnitude 5.32

Secondary star magnitude 12.52

Magnitude difference 7.2

Separation 24.3 arcsec

Distance, Radial Speed, Proper Motion

HR5558 is distant 246.97 light years from the Sun

Distance (parsec) 75.76

Distance (light year) 246.97

Proper Motion RA 0.02 arcsec/y

Alternative Designations

Henry Draper Catalogue HD131625

SAO Catalogue SAO206099

Hipparcos Catalogue HIP73049

Durchmusterung Catalogue CD-3310169

FK5 Catalogue 1389

Visibility from Your Location

Today's HR5558 rise, transit and set times from Cayambe, Ecuador are the following (all times relative to the local timezone America/Guayaquil):

Azimuth: 124.0° RISE 14:22

Max altitude: 56.0° TRANSIT 20:24

Azimuth: 236.0° SET 2:22

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

Set Location

Other stars in Centaurus