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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 5:51  
clear_day Transit: 12:57  
SunsetSet: 20:04
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All Constellations » Boötes » 

κ1 Boötis (kappa1 Boötis)

Altitude: 40.5°   Azimuth: 54.1°   Direction: North-East

κ1 Boötis is a double main-sequence star in the constellation of Boötes.

κ1 Boötis visual magnitude is 6.69. Because of its reltive faintness, κ1 Boötis should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of κ1 Boötis is 0.054 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of κ1 Boötis (kappa1 Boötis) star
DSS2 image of κ1 Boötis. The red arrow shows the motion of κ1 Boötis during the next 10000 years (9.00 arcmin in Right Ascension and -3.17 arcmin in declination);

Key facts about κ1 Boötis


κ1 Boötis (kappa1 Boötis) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 40.5°
Azimuth: 54.1°
Direction: North-East

Celestial coordinates and finder chart of κ1 Boötis

κ1 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 κ1 Boötis are provided in the following table:

14h 13m 27s
+51° 47’ 16”

The simplified sky map below shows the position of κ1 Boötis in the sky:

Finder chart κ1 Boötis (kappa1 Boötis) star
Simplified finder chart for κ1 Boötis (kappa1 Boötis).

Visibility of κ1 Boötis from your location

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

κ1 Boötis (kappa1 Boötis) is circumpolar and transits at 00:15 UTC (altitude: 89.7°)

Distance of κ1 Boötis from the Sun and relative movement

κ1 Boötis is distant 195.68 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

60.02 pc
195.68 ly
-20 km/s
0.054 arcsec/year
-0.019 arcsec/year

Spectral properties of κ1 Boötis

κ1 Boötis belongs to spectral class F1 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where κ1 Boötis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of κ1 Boötis. Attribution: Richard Powell / CC BY-SA

κ1 Boötis star system properties

κ1 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 κ1 Boötis double sysyem:

13.4 arcsec

Alternative designations of κ1 Boötis

κ1 Boötis
(kappa1 Boötis)