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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:46 
Transit: 12:52 
Sunset: 18:58
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All Constellations » Lacerta » 

HR8621

Above the horizon.  Circumpolar today
Alt: 47.89°   Az: 308.08°   Direction: North-West

HR8621 is a variable and double giant star of spectral class M4 in the constellation of Lacerta.

HR8621 visual magnitude is 5.21. Because of its faintness, HR8621 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 HR8621 star
DSS2 image of HR8621. The red arrow shows the motion of HR8621 during the next 10000 years (8.83 arcmin in Right Ascension and -4.83 arcmin in declination);

Celestial Coordinates

Apparent

22h 39m 36s
+56° 55’ 29”
05h 01m 13s
03h 40m 50s

J2000

22h 38m 37s
+56° 47’ 44”

Galactic Coordinates

105.48°
-1.51°

Finder Chart

Finder chart HR8621 star
Simplified finder chart for HR8621.

Magnitude, Color, Spectral Class

5.21
Giant

-0.39
M4III
3677K

The red dot in the diagram below shows where HR8621 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8621. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8621 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR8621 double sysyem:

5.21
10.41
5.2
30.9 arcsec

Distance, Radial Speed, Proper Motion

HR8621 is distant 429.51 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

131.75
429.51
8 km/s
0.053 arcsec/y
-0.029"/y

Alternative Designations

SAO34651
SAO34651

Visibility from Your Location

HR8621 is circumpolar and transits at 22:34 UTC (altitude: 84.6°)