ω Boötis (omega Boötis)

Above the horizon. Rise: 12:27 | Tran: 20:47 | Set: 5:11

Alt: 0.18° Az: 312.24° Direction: North-West

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

ω Boötis visual magnitude is 4.81. Because of its moderate brightness, ω 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 ω Boötis. The red arrow shows the motion of ω Boötis during the next 10000 years (-1.17 arcmin in Right Ascension and -8.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 03m 13s

Declination +24° 54’ 31”

Hour Angle 08h 21m 09s

Sidereal Time 23h 24m 22s

J2000

Right Ascension 15h 02m 06s

Declination +25° 00’ 29”

Galactic Coordinates

Galactic Longitude 36.25°

Galactic Latitude 60.66°

Finder Chart

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Finder chart for ω Boötis (omega Boötis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.81

Class Giant

Absolute magnitude -0.40

Spectral Type K4III

Color Index (B-V) 1.5

Temperature 3794K

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

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

Distance, Radial Speed, Proper Motion

ω Boötis is distant 359.43 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

Distance (parsec) 110.25

Distance (light year) 359.43

Radial Speed 14 km/s

Proper Motion RA -0.007 arcsec/y

Proper Motion Dec -0.051"/y

Alternative Designations

Bayer designation ω Boötis
(omega Boötis)

Flamsteed designation 41 Boötis

Henry Draper Catalogue HD133124

SAO Catalogue SAO83624

Hipparcos Catalogue HIP73568

Durchmusterung Catalogue BD+25 2861

FK5 Catalogue 3185

Visibility from Your Location

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

Azimuth: 65.1° RISE 12:27

Max altitude: 63.4° TRANSIT 20:47

Azimuth: 294.9° SET 5:11

Set Location

Other stars in Boötes