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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:38 
Transit: 12:54 
Sunset: 19:10
sunny   (Daytime)  
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All Constellations » Grus » 

HR8639

Below the horizon.  Never rises today
Alt: -64.63°   Az: 272.31°   Direction: West

HR8639 is a variable hypergiant star of spectral class K0 in the constellation of Grus.

HR8639 visual magnitude is 6.07. Because of its faintness, HR8639 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 HR8639 star
DSS2 image of HR8639. The red arrow shows the motion of HR8639 during the next 10000 years (7.00 arcmin in Right Ascension and 6.17 arcmin in declination);

Celestial Coordinates

Apparent

22h 44m 09s
-44° 07’ 04”
09h 33m 32s
08h 17m 41s

J2000

22h 42m 43s
-44° 14’ 52”

Galactic Coordinates

350.85°
-59.06°

Finder Chart

Finder chart HR8639 star
Simplified finder chart for HR8639.

Magnitude, Color, Spectral Class

6.07
Hypergiant

1.11
K0III
4791K

The red dot in the diagram below shows where HR8639 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8639. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR8639 is distant 319.92 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

98.14
319.92
6 km/s
0.042 arcsec/y
0.037"/y

Alternative Designations

SAO231260
SAO231260

Visibility from Your Location

HR8639 is currently not visible from Greenwich, UK