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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 » 

ν2 Boötis (nu2 Boötis)

Altitude: 23.2°   Azimuth: 52.7°   Direction: North-East

ν2 Boötis is a multiple main-sequence star in the constellation of Boötes.

ν2 Boötis visual magnitude is 5.02. Because of its reltive faintness, ν2 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 ν2 Boötis is -0.017 arcsec per year in Right Ascension and -0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ν2 Boötis (nu2 Boötis) star
DSS2 image of ν2 Boötis. The red arrow shows the motion of ν2 Boötis during the next 10000 years (-2.83 arcmin in Right Ascension and -1.50 arcmin in declination);

Key facts about ν2 Boötis


ν2 Boötis (nu2 Boötis) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 23.2°
Azimuth: 52.7°
Direction: North-East

Celestial coordinates and finder chart of ν2 Boötis

ν2 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 ν2 Boötis are provided in the following table:

15h 31m 46s
+40° 53’ 57”

The simplified sky map below shows the position of ν2 Boötis in the sky:

Finder chart ν2 Boötis (nu2 Boötis) star
Simplified finder chart for ν2 Boötis (nu2 Boötis).

Visibility of ν2 Boötis from your location

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

ν2 Boötis (nu2 Boötis) is circumpolar and transits at 01:33 UTC (altitude: 79.4°)

Distance of ν2 Boötis from the Sun and relative movement

ν2 Boötis is distant 429.51 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

131.75 pc
429.51 ly
-17 km/s
-0.017 arcsec/year
-0.009 arcsec/year

Spectral properties of ν2 Boötis

ν2 Boötis belongs to spectral class A5 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where ν2 Boötis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ν2 Boötis. Attribution: Richard Powell / CC BY-SA

Alternative designations of ν2 Boötis

ν2 Boötis
(nu2 Boötis)