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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:27 
Transit: 12:14 
Sunset: 17:01
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All Constellations » Andromeda » 

HR647

Above the horizon.  Circumpolar today
Alt: 29.35°   Az: 49.16°   Direction: North-East

HR647 is a double main-sequence star of spectral class F4 in the constellation of Andromeda.

HR647 visual magnitude is 6.06. Because of its faintness, HR647 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 HR647 star
DSS2 image of HR647. The red arrow shows the motion of HR647 during the next 10000 years (-10.50 arcmin in Right Ascension and -9.83 arcmin in declination);

Celestial Coordinates

Apparent

02h 15m 40s
+47° 36’ 01”
17h 11m 49s
19h 27m 29s

J2000

02h 14m 02s
+47° 29’ 03”

Galactic Coordinates

137.1°
-13.1°

Finder Chart

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Finder chart for HR647.

Magnitude, Color, Spectral Class

6.06
Main-sequence

2.97
F4V
6880K

The red dot in the diagram below shows where HR647 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR647. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR647 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR647 double sysyem:

6.06
6.66
0.6
1 arcsec

Distance, Radial Speed, Proper Motion

HR647 is distant 135.44 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

41.55
135.44
-8 km/s
-0.063 arcsec/y
-0.059"/y

Alternative Designations

SAO37878
SAO37878

Visibility from Your Location

HR647 is circumpolar and transits at 16:59 UTC (altitude: 86.1°)