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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:31 
Transit: 12:56 
Sunset: 19:19
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All Constellations » Cygnus » 

HR7911

Above the horizon.  Circumpolar today
Alt: 3.33°   Az: 12.80°   Direction: North-North-East

HR7911 is a multiple giant star of spectral class B6 in the constellation of Cygnus.

HR7911 visual magnitude is 6.06. Because of its faintness, HR7911 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 HR7911 star
DSS2 image of HR7911. The red arrow shows the motion of HR7911 during the next 100000 years (11.67 arcmin in Right Ascension and 0.00 arcmin in declination);

Celestial Coordinates

Apparent

20h 40m 27s
+40° 40’ 04”
13h 07m 48s
09h 48m 16s

J2000

20h 39m 33s
+40° 34’ 45”

Galactic Coordinates

80.35°
-0.61°

Finder Chart

Finder chart HR7911 star
Simplified finder chart for HR7911.

Magnitude, Color, Spectral Class

6.06
Giant
HR7911 is also a Mn chemically peculiar star.

-1.14
B6III
12692K

The red dot in the diagram below shows where HR7911 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7911. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7911 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR7911 double sysyem:

6.06
6.16
0.1
0.8 arcsec

Distance, Radial Speed, Proper Motion

HR7911 is distant 898.07 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

275.48
898.07
-15 km/s
0.007 arcsec/y

Alternative Designations

SAO49899
SAO49899

Visibility from Your Location

HR7911 is circumpolar and transits at 21:11 UTC (altitude: 79.2°)