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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 » 

33 Boötis

Altitude: 29.6°   Azimuth: 54.6°   Direction: North-East

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

33 Boötis visual magnitude is 5.39. Because of its reltive faintness, 33 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 33 Boötis is -0.067 arcsec per year in Right Ascension and -0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 33 Boötis star
DSS2 image of 33 Boötis. The red arrow shows the motion of 33 Boötis during the next 10000 years (-11.17 arcmin in Right Ascension and -2.83 arcmin in declination);

Key facts about 33 Boötis


33 Boötis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 29.6°
Azimuth: 54.6°
Direction: North-East

Celestial coordinates and finder chart of 33 Boötis

33 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 33 Boötis are provided in the following table:

14h 38m 50s
+44° 24’ 15”

The simplified sky map below shows the position of 33 Boötis in the sky:

Finder chart 33 Boötis star
Simplified finder chart for 33 Boötis.

Visibility of 33 Boötis from your location

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

33 Boötis is circumpolar and transits at 00:40 UTC (altitude: 82.9°)

Distance of 33 Boötis from the Sun and relative movement

33 Boötis is distant 196.86 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

60.39 pc
196.86 ly
-13 km/s
-0.067 arcsec/year
-0.017 arcsec/year

Spectral properties of 33 Boötis

33 Boötis belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where 33 Boötis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 33 Boötis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 33 Boötis