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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:57 
Transit: 12:56 
Sunset: 20:56
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All Constellations » Crater » 

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.

Image of HR4539 star
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

11h 51m 37s
-16° 00’ 18”
17h 26m 14s
05h 17m 51s

J2000

11h 50m 19s
-15° 51’ 50”

Galactic Coordinates

282.11°
44.52°

Finder Chart

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Finder chart for HR4539.

Magnitude, Color, Spectral Class

6.13
Hypergiant

-0.44
K0
4866K

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

HR 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.

206.19
672.16
-4 km/s
-0.013 arcsec/y
0.009"/y

Alternative Designations

SAO156926
SAO156926

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°
Max altitude: 22.5°
Azimuth: 254.0°