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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:46 
Transit: 12:52 
Sunset: 18:58
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All Constellations » Cygnus » 

HR7983

Above the horizon.  Circumpolar today
Alt: 38.43°   Az: 299.75°   Direction: West-North-West

HR7983 is a double main-sequence star of spectral class B4 in the constellation of Cygnus.

HR7983 visual magnitude is 6.33. Because of its faintness, HR7983 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 HR7983 star
DSS2 image of HR7983. The red arrow shows the motion of HR7983 during the next 100000 years (13.33 arcmin in Right Ascension and 0.00 arcmin in declination);

Celestial Coordinates

Apparent

20h 50m 44s
+46° 45’ 15”
05h 32m 09s
02h 22m 54s

J2000

20h 49m 54s
+46° 39’ 39”

Galactic Coordinates

86.28°
1.71°

Finder Chart

Finder chart HR7983 star
Simplified finder chart for HR7983.

Magnitude, Color, Spectral Class

6.33
Main-sequence

-0.92
B4V
11092K

The red dot in the diagram below shows where HR7983 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7983. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7983 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR7983 double sysyem:

6.33
11.63
5.3
19.2 arcsec

Distance, Radial Speed, Proper Motion

HR7983 is distant 918.31 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

281.69
918.31
-15 km/s
0.008 arcsec/y

Alternative Designations

SAO50119
SAO50119

Visibility from Your Location

HR7983 is circumpolar and transits at 20:45 UTC (altitude: 85.3°)