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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:33 
Transit: 12:55 
Sunset: 19:17
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All Constellations » Cepheus » 

HR7940

Above the horizon.  Circumpolar today
Alt: 18.71°   Az: 1.48°   Direction: North

HR7940 is a giant star of spectral class B2 in the constellation of Cepheus.

HR7940 visual magnitude is 6.32. Because of its faintness, HR7940 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 HR7940 star
DSS2 image of HR7940. The red arrow shows the motion of HR7940 during the next 10000 years (-2.17 arcmin in Right Ascension and 0.50 arcmin in declination);

Celestial Coordinates

Apparent

20h 43m 50s
+57° 12’ 15”
12h 10m 22s
08h 54m 13s

J2000

20h 43m 13s
+57° 06’ 51”

Galactic Coordinates

93.88°

Finder Chart

Finder chart HR7940 star
Simplified finder chart for HR7940.

Magnitude, Color, Spectral Class

6.32
Giant

-5.10
B2III
7276K

The red dot in the diagram below shows where HR7940 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7940. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7940 is distant 6,269.23 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

1,923.08
6,269.23
-15 km/s
-0.013 arcsec/y
0.003"/y

Alternative Designations

SAO32832
SAO32832

Visibility from Your Location

HR7940 is circumpolar and transits at 21:10 UTC (altitude: 84.3°)