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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:59 
Transit: 12:56 
Sunset: 20:54
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All Constellations » Perseus » 

HR690

Above the horizon.  Circumpolar today
Alt: 80.36°   Az: 59.72°   Direction: East-North-East

HR690 is a variable and double supergiant star of spectral class F7 in the constellation of Perseus.

HR690 visual magnitude is 6.28. Because of its faintness, HR690 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 HR690 star
DSS2 image of HR690. The red arrow shows the motion of HR690 during the next 10000 years (1.00 arcmin in Right Ascension and -4.00 arcmin in declination);

Celestial Coordinates

Apparent

02h 25m 38s
+55° 28’ 42”
23h 00m 53s
01h 26m 32s

J2000

02h 23m 51s
+55° 21’ 51”

Galactic Coordinates

135.87°
-5.17°

Finder Chart

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Finder chart for HR690.

Magnitude, Color, Spectral Class

6.28
Supergiant

-2.67
F7I
5106K

The red dot in the diagram below shows where HR690 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR690. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR690 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 HR690 double sysyem:

6.28
14.38
8.1
10 arcsec

Distance, Radial Speed, Proper Motion

HR690 is distant 2,012.35 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

617.28
2,012.35
-26 km/s
0.006 arcsec/y
-0.024"/y

Alternative Designations

SAO23283
SAO23283

Visibility from Your Location

HR690 is circumpolar and transits at 10:24 UTC (altitude: 86.0°)