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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:25 
Transit: 12:14 
Sunset: 17:03
wb_twilight   (Astronomical Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Scorpius » 

HR6539

Below the horizon.  Rise: 7:15 | Tran: 8:18 | Set: 9:21
Alt: -5.42°   Az: 149.51°   Direction: South-South-East

HR6539 is a hypergiant star of spectral class A0 in the constellation of Scorpius.

HR6539 visual magnitude is 6.48. Because of its faintness, HR6539 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 HR6539 star
DSS2 image of HR6539. The red arrow shows the motion of HR6539 during the next 10000 years (-2.17 arcmin in Right Ascension and -6.33 arcmin in declination);

Celestial Coordinates

Apparent

17h 37m 25s
-37° 27’ 15”
21h 21m 56s
14h 59m 22s

J2000

17h 35m 43s
-37° 26’ 23”

Galactic Coordinates

351.69°
-2.75°

Finder Chart

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  Loading map...
Finder chart for HR6539.

Magnitude, Color, Spectral Class

6.48
Hypergiant

1.40
A0V
10002K

The red dot in the diagram below shows where HR6539 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR6539. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6539 is distant 338.17 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

103.73
338.17
-8 km/s
-0.013 arcsec/y
-0.038"/y

Alternative Designations

SAO209001
SAO209001

Visibility from Your Location

Today's HR6539 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 127.5°
Max altitude: 1.1°
Azimuth: 232.5°