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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:30 
Transit: 12:14 
Sunset: 16:58
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All Constellations » Cepheus » 

HR8099

Above the horizon.  Circumpolar today
Alt: 33.53°   Az: 354.01°   Direction: North

HR8099 is a sub-giant star of spectral class F3 in the constellation of Cepheus.

HR8099 visual magnitude is 5.87. Because of its faintness, HR8099 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 HR8099 star
DSS2 image of HR8099. The red arrow shows the motion of HR8099 during the next 1000 years (-0.80 arcmin in Right Ascension and -1.93 arcmin in declination);

Celestial Coordinates

Apparent

21h 06m 31s
+71° 32’ 00”
10h 56m 11s
08h 02m 43s

J2000

21h 06m 23s
+71° 25’ 54”

Galactic Coordinates

106.95°
15.95°

Finder Chart

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Finder chart for HR8099.

Magnitude, Color, Spectral Class

5.87
Sub-giant

2.41
F3IV
6880K

The red dot in the diagram below shows where HR8099 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8099. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR8099 is distant 160.12 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

49.12
160.12
2 km/s
-0.048 arcsec/y
-0.116"/y

Alternative Designations

SAO9957
SAO9957

Visibility from Your Location

HR8099 is circumpolar and transits at 11:59 UTC (altitude: 69.9°)