Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:04 
Transit: 13:06 
Sunset: 21:07
warning Set your observing location to get relevant data
Search  close
All Constellations » Boötes » 

υ Boötis (upsilon Boötis)

Below the horizon.  Rise: 11:47 | Tran: 19:07 | Set: 2:31
Alt: -13.87°   Az: 40.80°   Direction: North-East

υ Boötis is a variable giant star of spectral class K5 in the constellation of Boötes.

υ Boötis visual magnitude is 4.07. Because of its moderate brightness, υ Boötis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of υ Boötis (upsilon Boötis) star
DSS2 image of υ Boötis. The red arrow shows the motion of υ Boötis during the next 1000 years (-1.58 arcmin in Right Ascension and 0.70 arcmin in declination);

Celestial Coordinates

Apparent

13h 50m 42s
+15° 40’ 18”
14h 44m 50s
04h 35m 33s

J2000

13h 49m 28s
+15° 47’ 52”

Galactic Coordinates

355.81°
72.4°

Finder Chart

loader
  Loading map...
Finder chart for υ Boötis (upsilon Boötis).

Magnitude, Color, Spectral Class

4.07
Giant

-0.31
K5III
3764K

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

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

Distance, Radial Speed, Proper Motion

υ Boötis is distant 245.30 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

75.24
245.30
-6 km/s
-0.095 arcsec/y
0.042"/y

Alternative Designations

υ Boötis
(upsilon Boötis)
SAO100725
SAO100725

Visibility from Your Location

Today's υ Boötis (upsilon Boötis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 74.3°
Max altitude: 54.2°
Azimuth: 285.7°