ο Boötis (omicron Boötis)

Above the horizon. Rise: 15:36 | Tran: 23:03 | Set: 6:34

Alt: 39.67° Az: 244.09° Direction: West-South-West

ο Boötis is a giant star of spectral class G8 in the constellation of Boötes.

ο Boötis visual magnitude is 4.6. Because of its moderate brightness, ο 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.

DSS2 image of ο Boötis. The red arrow shows the motion of ο Boötis during the next 10000 years (-9.67 arcmin in Right Ascension and -8.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 14h 46m 25s

Declination +16° 51’ 30”

Hour Angle 03h 05m 20s

Sidereal Time 17h 51m 46s

J2000

Right Ascension 14h 45m 14s

Declination +16° 57’ 51”

Galactic Coordinates

Galactic Longitude 17.74°

Galactic Latitude 61.82°

Finder Chart

Loading map...

Finder chart for ο Boötis (omicron Boötis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.6

Class Giant

Absolute magnitude 0.40

Spectral Type G8III

Color Index (B-V) 0.98

Temperature 4791K

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

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

Distance, Radial Speed, Proper Motion

ο Boötis is distant 225.14 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 69.06

Distance (light year) 225.14

Radial Speed -9 km/s

Proper Motion RA -0.058 arcsec/y

Proper Motion Dec -0.049"/y

Alternative Designations

Bayer designation ο Boötis
(omicron Boötis)

Flamsteed designation 35 Boötis

Henry Draper Catalogue HD129972

SAO Catalogue SAO101184

Hipparcos Catalogue HIP72125

Durchmusterung Catalogue BD+17 2780

Gliese Catalogue Wo 9493

Visibility from Your Location

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

Azimuth: 73.1° RISE 15:36

Max altitude: 55.4° TRANSIT 23:03

Azimuth: 286.9° SET 6:34

Set Location

Other stars in Boötes