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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:58 
Transit: 11:43 
Sunset: 16:27
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All Constellations » Boötes » 

9 Boötis

Above the horizon.  Rise: 2:25 | Tran: 11:04 | Set: 19:44
Alt: 55.57°   Az: 238.19°   Direction: West-South-West

9 Boötis is a variable giant star of spectral class K3 in the constellation of Boötes.

9 Boötis visual magnitude is 5.01. Because of its faintness, 9 Boötis 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 9 Boötis star
DSS2 image of 9 Boötis. The red arrow shows the motion of 9 Boötis during the next 10000 years (4.67 arcmin in Right Ascension and -8.00 arcmin in declination);

Celestial Coordinates

Apparent

13h 57m 42s
+27° 22’ 16”
02h 11m 00s
16h 08m 42s

J2000

13h 56m 34s
+27° 29’ 30”

Galactic Coordinates

38.12°
75.54°

Finder Chart

Finder chart 9 Boötis star
Simplified finder chart for 9 Boötis.

Magnitude, Color, Spectral Class

5.01
Giant

-1.48
K3III
3918K

The red dot in the diagram below shows where 9 Boötis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 9 Boötis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

9 Boötis is distant 648.11 light years from the Sun and it is moving towards the Sun at the speed of 40 kilometers per second.

198.81
648.11
-40 km/s
0.028 arcsec/y
-0.048"/y

Alternative Designations

SAO83084
SAO83084

Visibility from Your Location

Today's 9 Boötis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 62.6°
Max altitude: 65.9°
Azimuth: 297.4°