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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:36 
Transit: 12:55 
Sunset: 19:12
sunny   (Daytime)  
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All Constellations » Cygnus » 

HR8155

Above the horizon.  Circumpolar today
Alt: 38.71°   Az: 69.69°   Direction: East-North-East

HR8155 is a multiple sub-giant star of spectral class A5 in the constellation of Cygnus.

HR8155 visual magnitude is 6.15. Because of its faintness, HR8155 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 HR8155 star
DSS2 image of HR8155. The red arrow shows the motion of HR8155 during the next 100000 years (-10.00 arcmin in Right Ascension and 15.00 arcmin in declination);

Celestial Coordinates

Apparent

21h 19m 52s
+41° 08’ 45”
18h 54m 32s
16h 14m 25s

J2000

21h 18m 55s
+41° 02’ 26”

Galactic Coordinates

85.59°
-5.93°

Finder Chart

Finder chart HR8155 star
Simplified finder chart for HR8155.

Magnitude, Color, Spectral Class

6.15
Sub-giant

-2.43
A5IV
7462K

The red dot in the diagram below shows where HR8155 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8155. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8155 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR8155 double sysyem:

6.15
12.55
6.4
56 arcsec

Distance, Radial Speed, Proper Motion

HR8155 is distant 1,697.92 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

520.83
1,697.92
7 km/s
-0.006 arcsec/y
0.009"/y

Alternative Designations

SAO50699
SAO50699

Visibility from Your Location

HR8155 is circumpolar and transits at 21:38 UTC (altitude: 79.7°)