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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:06 
Transit: 12:56 
Sunset: 20:47
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All Constellations » Boötes » 

ν1 Boötis (nu1 Boötis)

Above the horizon.  Circumpolar today
Alt: 11.54°   Az: 35.60°   Direction: North-East

ν1 Boötis is a giant star of spectral class K4 in the constellation of Boötes.

ν1 Boötis visual magnitude is 5.02. Because of its faintness, ν1 Boötis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of ν1 Boötis (nu1 Boötis) star
DSS2 image of ν1 Boötis. The red arrow shows the motion of ν1 Boötis during the next 10000 years (1.83 arcmin in Right Ascension and -1.17 arcmin in declination);

Celestial Coordinates

Apparent

15h 31m 50s
+40° 44’ 51”
15h 15m 19s
06h 47m 10s

J2000

15h 30m 55s
+40° 49’ 59”

Galactic Coordinates

66.11°
54.58°

Finder Chart

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Finder chart for ν1 Boötis (nu1 Boötis).

Magnitude, Color, Spectral Class

5.02
Giant

-2.12
K4III
3663K

The red dot in the diagram below shows where ν1 Boötis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ν1 Boötis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

ν1 Boötis is distant 871.66 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

267.38
871.66
-10 km/s
0.011 arcsec/y
-0.007"/y

Alternative Designations

ν1 Boötis
(nu1 Boötis)
SAO45580
SAO45580

Visibility from Your Location

ν1 Boötis (nu1 Boötis) is circumpolar and transits at 23:48 UTC (altitude: 79.3°)