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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:12 
Transit: 12:47 
Sunset: 18:22
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All Constellations » Cepheus » 

HR8383

Above the horizon.  Circumpolar today
Alt: 44.24°   Az: 321.87°   Direction: North-West

HR8383 is a variable and double supergiant star of spectral class M2 in the constellation of Cepheus.

HR8383 visual magnitude is 4.91. Because of its moderate brightness, HR8383 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of HR8383 star
DSS2 image of HR8383. The red arrow shows the motion of HR8383 during the next 100000 years (-8.33 arcmin in Right Ascension and -6.67 arcmin in declination);

Celestial Coordinates

Apparent

21h 57m 21s
+63° 44’ 38”
06h 03m 20s
04h 00m 41s

J2000

21h 56m 39s
+63° 37’ 32”

Galactic Coordinates

104.92°
7.05°

Finder Chart

Finder chart HR8383 star
Simplified finder chart for HR8383.

Magnitude, Color, Spectral Class

4.91
Supergiant

-7.13
M2I
3428K

The red dot in the diagram below shows where HR8383 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8383. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8383 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 HR8383 double sysyem:

4.91
6.61
1.7
0.1 arcsec

Distance, Radial Speed, Proper Motion

HR8383 is distant 8,358.97 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

2,564.10
8,358.97
-19 km/s
-0.005 arcsec/y
-0.004"/y

Alternative Designations

SAO19753
SAO19753

Visibility from Your Location

HR8383 is circumpolar and transits at 20:49 UTC (altitude: 77.7°)