HR4458

Below the horizon. Rise: 18:35 | Tran: 20:56 | Set: 23:17

Alt: -53.72° Az: 76.42° Direction: East-North-East

HR4458 is a hypergiant star of spectral class K0 in the constellation of Hydra.

HR4458 visual magnitude is 5.98. Because of its faintness, HR4458 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 HR4458. The red arrow shows the motion of HR4458 during the next 1000 years (-11.23 arcmin in Right Ascension and 13.77 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 35m 45s

Declination -32° 58’ 18”

Hour Angle 14h 53m 06s

Sidereal Time 02h 28m 51s

J2000

Right Ascension 11h 34m 29s

Declination -32° 49’ 53”

Galactic Coordinates

Galactic Longitude 284.79°

Galactic Latitude 27.31°

Finder Chart

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Finder chart for HR4458.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.98

Class Hypergiant

Absolute magnitude 6.08

Spectral Type K0V

Color Index (B-V) 0.81

Temperature 5251K

The red dot in the diagram below shows where HR4458 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4458. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4458 is distant 31.10 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

Distance (parsec) 9.54

Distance (light year) 31.10

Radial Speed -23 km/s

Proper Motion RA -0.674 arcsec/y

Proper Motion Dec 0.826"/y

Alternative Designations

Henry Draper Catalogue HD100623

SAO Catalogue SAO202583

Hipparcos Catalogue HIP56452

Durchmusterung Catalogue CD-32 8179

Gliese Catalogue Gl 432 A

Visibility from Your Location

Today's HR4458 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 123.0° RISE 18:35

Max altitude: 5.5° TRANSIT 20:56

Azimuth: 237.0° SET 23:17

Set Location

Other stars in Hydra