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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 7:03  
clear_day Transit: 12:12  
SunsetSet: 17:22
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All Constellations » Boötes » 

κ2 Boötis (kappa2 Boötis)

Altitude: 38.1°   Azimuth: 51.8°   Direction: North-East

κ2 Boötis is a variable and double sub-giant star in the constellation of Boötes.

κ2 Boötis visual magnitude is 4.54. Because of its moderate brightness, κ2 Boötis should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The proper motion of κ2 Boötis is 0.063 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of κ2 Boötis (kappa2 Boötis) star
DSS2 image of κ2 Boötis. The red arrow shows the motion of κ2 Boötis during the next 10000 years (10.50 arcmin in Right Ascension and -0.33 arcmin in declination);

Key facts about κ2 Boötis


κ2 Boötis (kappa2 Boötis) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 38.1°
Azimuth: 51.8°
Direction: North-East

Celestial coordinates and finder chart of κ2 Boötis

κ2 Boötis is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of κ2 Boötis are provided in the following table:

14h 13m 28s
+51° 47’ 25”

The simplified sky map below shows the position of κ2 Boötis in the sky:

Finder chart κ2 Boötis (kappa2 Boötis) star
Simplified finder chart for κ2 Boötis (kappa2 Boötis).

Visibility of κ2 Boötis from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

κ2 Boötis (kappa2 Boötis) is circumpolar and transits at 04:11 UTC (altitude: 89.7°)

Distance of κ2 Boötis from the Sun and relative movement

κ2 Boötis is distant 155.02 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

47.55 pc
155.02 ly
-17 km/s
0.063 arcsec/year
-0.002 arcsec/year

Spectral properties of κ2 Boötis

κ2 Boötis belongs to spectral class A8 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where κ2 Boötis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of κ2 Boötis. Attribution: Richard Powell / CC BY-SA

κ2 Boötis star system properties

κ2 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 κ2 Boötis double sysyem:

13.4 arcsec

Alternative designations of κ2 Boötis

κ2 Boötis
(kappa2 Boötis)