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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 » 

Nekkar - β Boötis (beta Boötis)

Above the horizon.  Circumpolar today
Alt: 33.64°   Az: 294.28°   Direction: West-North-West

Nekkar, also designated as β Boötis (beta Boötis), is a variable giant star of spectral class G8 in the constellation of Boötes.

Nekkar visual magnitude is 3.5. Because of its moderate brightness, Nekkar 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 Nekkar - β Boötis (beta Boötis) star
DSS2 image of Nekkar. The red arrow shows the motion of Nekkar during the next 10000 years (-6.83 arcmin in Right Ascension and -4.67 arcmin in declination);

Celestial Coordinates

Apparent

15h 02m 54s
+40° 17’ 29”
05h 36m 45s
20h 39m 39s

J2000

15h 01m 56s
+40° 23’ 26”

Galactic Coordinates

67.62°
60.04°

Finder Chart

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Finder chart for Nekkar - β Boötis (beta Boötis).

Magnitude, Color, Spectral Class

3.5
Giant

-0.63
G8III
4816K

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

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

Distance, Radial Speed, Proper Motion

Nekkar is distant 218.65 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

67.07
218.65
-20 km/s
-0.041 arcsec/y
-0.028"/y

Alternative Designations

Nekkar
β Boötis
(beta Boötis)
SAO45337
SAO45337

Visibility from Your Location

Nekkar - β Boötis (beta Boötis) is circumpolar and transits at 22:51 UTC (altitude: 78.8°)