10 Boötis

Above the horizon. Rise: 15:39 | Tran: 23:36 | Set: 7:36

Alt: 59.85° Az: 170.80° Direction: South

10 Boötis is a hypergiant star of spectral class A0 in the constellation of Boötes.

10 Boötis visual magnitude is 5.76. Because of its faintness, 10 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.

DSS2 image of 10 Boötis. The red arrow shows the motion of 10 Boötis during the next 10000 years (-1.50 arcmin in Right Ascension and -7.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 13h 59m 50s

Declination +21° 34’ 24”

Hour Angle 23h 40m 10s

Sidereal Time 13h 40m 01s

J2000

Right Ascension 13h 58m 38s

Declination +21° 41’ 45”

Galactic Coordinates

Galactic Longitude 17.02°

Galactic Latitude 73.78°

Finder Chart

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Finder chart for 10 Boötis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.76

Class Hypergiant

Absolute magnitude -0.08

Spectral Type A0V

Color Index (B-V) -0.03

Temperature 10516K

The red dot in the diagram below shows where 10 Boötis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 10 Boötis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

10 Boötis is distant 480.12 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

Distance (parsec) 147.28

Distance (light year) 480.12

Radial Speed 6 km/s

Proper Motion RA -0.009 arcsec/y

Proper Motion Dec -0.045"/y

Alternative Designations

Flamsteed designation 10 Boötis

Henry Draper Catalogue HD121996

SAO Catalogue SAO83103

Hipparcos Catalogue HIP68276

Durchmusterung Catalogue BD+22 2650

FK5 Catalogue 3113

Visibility from Your Location

Today's 10 Boötis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 68.4° RISE 15:39

Max altitude: 60.1° TRANSIT 23:36

Azimuth: 291.6° SET 7:36

Set Location

Other stars in Boötes