HR4539

Below the horizon. Rise: 16:06 | Tran: 20:40 | Set: 1:18

Alt: -17.67° Az: 93.69° Direction: East

HR4539 is a hypergiant star of spectral class K0 in the constellation of Crater.

HR4539 visual magnitude is 6.13. Because of its faintness, HR4539 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 HR4539. The red arrow shows the motion of HR4539 during the next 10000 years (-2.17 arcmin in Right Ascension and 1.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 51m 37s

Declination -16° 00’ 18”

Hour Angle 17h 26m 14s

Sidereal Time 05h 17m 51s

J2000

Right Ascension 11h 50m 19s

Declination -15° 51’ 50”

Galactic Coordinates

Galactic Longitude 282.11°

Galactic Latitude 44.52°

Finder Chart

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Finder chart for HR4539.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.13

Class Hypergiant

Absolute magnitude -0.44

Spectral Type K0

Color Index (B-V) 0.95

Temperature 4866K

The red dot in the diagram below shows where HR4539 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4539. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4539 is distant 672.16 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 206.19

Distance (light year) 672.16

Radial Speed -4 km/s

Proper Motion RA -0.013 arcsec/y

Proper Motion Dec 0.009"/y

Alternative Designations

Henry Draper Catalogue HD102845

SAO Catalogue SAO156926

Hipparcos Catalogue HIP57732

Durchmusterung Catalogue BD-15 3363

Visibility from Your Location

Today's HR4539 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 106.0° RISE 16:06

Max altitude: 22.5° TRANSIT 20:40

Azimuth: 254.0° SET 1:18

Set Location

Other stars in Crater