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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:57 
Transit: 12:56 
Sunset: 20:56
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All Constellations » Boötes » 

ξ Boötis (xi Boötis)

Above the horizon.  Rise: 16:01 | Tran: 23:41 | Set: 7:25
Alt: 46.74°   Az: 124.90°   Direction: South-East

ξ Boötis is a variable and multiple main-sequence star of spectral class G8 in the constellation of Boötes.

ξ Boötis visual magnitude is 4.55. Because of its moderate brightness, ξ Boötis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of ξ Boötis (xi Boötis) star
DSS2 image of ξ Boötis. The red arrow shows the motion of ξ Boötis during the next 1000 years (2.28 arcmin in Right Ascension and -1.63 arcmin in declination);

Celestial Coordinates

Apparent

14h 52m 33s
+18° 59’ 51”
21h 34m 06s
12h 26m 40s

J2000

14h 51m 23s
+19° 06’ 03”

Galactic Coordinates

23.09°
61.36°

Finder Chart

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Finder chart for ξ Boötis (xi Boötis).

Magnitude, Color, Spectral Class

4.55
Main-sequence

5.42
G8V
5404K

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

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

Star System Properties

ξ Boötis 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 ξ Boötis double sysyem:

4.55
6.65
2.1
7.2 arcsec

Distance, Radial Speed, Proper Motion

ξ Boötis is distant 21.84 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

6.70
21.84
3 km/s
0.137 arcsec/y
-0.098"/y

Alternative Designations

ξ Boötis
(xi Boötis)
SAO101250
SAO101250
Gl 566 A

Visibility from Your Location

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

Azimuth: 71.0°
Max altitude: 57.5°
Azimuth: 289.0°