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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 » Boötes » 

δ Boötis (delta Boötis)

Above the horizon.  Rise: 14:34 | Tran: 0:13 | Set: 9:55
Alt: 13.54°   Az: 307.04°   Direction: North-West

δ Boötis is a variable and double giant star of spectral class G8 in the constellation of Boötes.

δ Boötis visual magnitude is 3.47. Because of its moderate brightness, δ 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 δ Boötis (delta Boötis) star
DSS2 image of δ Boötis. The red arrow shows the motion of δ Boötis during the next 1000 years (1.43 arcmin in Right Ascension and -1.87 arcmin in declination);

Celestial Coordinates

Apparent

15h 16m 31s
+33° 13’ 19”
07h 27m 41s
22h 44m 12s

J2000

15h 15m 30s
+33° 18’ 52”

Galactic Coordinates

53.12°
58.43°

Finder Chart

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Finder chart for δ Boötis (delta Boötis).

Magnitude, Color, Spectral Class

3.47
Giant

0.70
G8III
4866K

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

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

Star System Properties

δ 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 δ Boötis double sysyem:

3.47
7.87
4.4
104.9 arcsec

Distance, Radial Speed, Proper Motion

δ Boötis is distant 116.68 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

35.79
116.68
-12 km/s
0.086 arcsec/y
-0.112"/y

Alternative Designations

δ Boötis
(delta Boötis)
SAO64589
SAO64589

Visibility from Your Location

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

Azimuth: 56.8°
Max altitude: 71.7°
Azimuth: 303.2°