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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:06 
Transit: 12:13 
Sunset: 17:21
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All Constellations » Cygnus » 

HR7543

Above the horizon.  Rise: 22:03 | Tran: 9:49 | Set: 21:32
Alt: 71.75°   Az: 128.33°   Direction: South-East

HR7543 is a double main-sequence star of spectral class B8 in the constellation of Cygnus.

HR7543 visual magnitude is 5.77. Because of its faintness, HR7543 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 HR7543 star
DSS2 image of HR7543. The red arrow shows the motion of HR7543 during the next 10000 years (2.50 arcmin in Right Ascension and -0.50 arcmin in declination);

Celestial Coordinates

Apparent

19h 48m 21s
+38° 28’ 15”
22h 46m 51s
18h 35m 13s

J2000

19h 47m 27s
+38° 24’ 26”

Galactic Coordinates

72.99°
6.57°

Finder Chart

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Finder chart for HR7543.

Magnitude, Color, Spectral Class

5.77
Main-sequence

-0.11
B8V
10941K

The red dot in the diagram below shows where HR7543 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7543. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7543 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 HR7543 double sysyem:

5.77
12.97
7.2
24.7 arcsec

Distance, Radial Speed, Proper Motion

HR7543 is distant 488.76 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

149.93
488.76
-28 km/s
0.015 arcsec/y
-0.003"/y

Alternative Designations

SAO68859
SAO68859

Visibility from Your Location

Today's HR7543 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 51.5°
Max altitude: 77.0°
Azimuth: 308.5°