22 Boötis

Below the horizon. Rise: 13:49 | Tran: 21:30 | Set: 5:15

Alt: -19.38° Az: 357.74° Direction: North

22 Boötis is a hypergiant star of spectral class F0 in the constellation of Boötes.

22 Boötis visual magnitude is 5.39. Because of its faintness, 22 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 22 Boötis. The red arrow shows the motion of 22 Boötis during the next 10000 years (-11.83 arcmin in Right Ascension and 4.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 14h 27m 38s

Declination +19° 06’ 48”

Hour Angle 11h 50m 57s

Sidereal Time 02h 18m 36s

J2000

Right Ascension 14h 26m 27s

Declination +19° 13’ 36”

Galactic Coordinates

Galactic Longitude 18.06°

Galactic Latitude 66.82°

Finder Chart

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Finder chart for 22 Boötis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.39

Class Hypergiant

Absolute magnitude 0.67

Spectral Type F0

Color Index (B-V) 0.23

Temperature 7938K

The red dot in the diagram below shows where 22 Boötis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 22 Boötis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

22 Boötis is distant 286.47 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

Distance (parsec) 87.87

Distance (light year) 286.47

Radial Speed -28 km/s

Proper Motion RA -0.071 arcsec/y

Proper Motion Dec 0.025"/y

Alternative Designations

Flamsteed designation 22 Boötis

Henry Draper Catalogue HD126661

SAO Catalogue SAO101025

Hipparcos Catalogue HIP70602

Durchmusterung Catalogue BD+19 2810

FK5 Catalogue 1378

Visibility from Your Location

Today's 22 Boötis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 70.9° RISE 13:49

Max altitude: 57.6° TRANSIT 21:30

Azimuth: 289.1° SET 5:15

Set Location

Other stars in Boötes