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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:44 
Transit: 12:53 
Sunset: 19:00
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All Constellations » Cepheus » 

HR55

Above the horizon.  Circumpolar today
Alt: 39.36°   Az: 353.60°   Direction: North

HR55 is a double main-sequence star of spectral class B8 in the constellation of Cepheus.

HR55 visual magnitude is 6.35. Because of its faintness, HR55 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 HR55 star
DSS2 image of HR55. The red arrow shows the motion of HR55 during the next 10000 years (3.00 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates

Apparent

00h 17m 40s
+77° 05’ 17”
10h 29m 12s
10h 46m 52s

J2000

00h 16m 14s
+76° 57’ 02”

Galactic Coordinates

120.89°
14.22°

Finder Chart

Finder chart HR55 star
Simplified finder chart for HR55.

Magnitude, Color, Spectral Class

6.35
Main-sequence

-0.04
B8V
11092K

The red dot in the diagram below shows where HR55 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR55. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR55 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR55 double sysyem:

6.35
6.65
0.3
0.8 arcsec

Distance, Radial Speed, Proper Motion

HR55 is distant 617.42 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

189.39
617.42
-7 km/s
0.018 arcsec/y
-0.002"/y

Alternative Designations

SAO4071
SAO4071

Visibility from Your Location

HR55 is circumpolar and transits at 00:20 UTC (altitude: 64.4°)