ω2 Scorpii (omega2 Scorpii)

Above the horizon. Rise: 20:26 | Tran: 0:30 | Set: 4:37

Alt: 12.18° Az: 210.90° Direction: South-South-West

ω2 Scorpii is a variable bright giant star of spectral class G3 in the constellation of Scorpius.

ω2 Scorpii visual magnitude is 4.32. Because of its moderate brightness, ω2 Scorpii 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 ω2 Scorpii (omega2 Scorpii) star

DSS2 image of ω2 Scorpii. The red arrow shows the motion of ω2 Scorpii during the next 10000 years (6.83 arcmin in Right Ascension and -6.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 16h 08m 53s

Declination -20° 56’ 05”

Hour Angle 02h 10m 02s

Sidereal Time 18h 18m 56s

J2000

Right Ascension 16h 07m 24s

Declination -20° 52’ 06”

Galactic Coordinates

Galactic Longitude 352.7°

Galactic Latitude 22.54°

Finder Chart

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Finder chart for ω2 Scorpii (omega2 Scorpii).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.32

Class Bright giant

Absolute magnitude -0.23

Spectral Type G3II

Color Index (B-V) 0.84

Temperature 5163K

The red dot in the diagram below shows where ω2 Scorpii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of ω2 Scorpii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

ω2 Scorpii is distant 264.61 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

Distance (parsec) 81.17

Distance (light year) 264.61

Radial Speed -5 km/s

Proper Motion RA 0.041 arcsec/y

Proper Motion Dec -0.038"/y

Alternative Designations

Bayer designation ω2 Scorpii
(omega2 Scorpii)

Flamsteed designation 10 Scorpii

Henry Draper Catalogue HD144608

SAO Catalogue SAO184135

Hipparcos Catalogue HIP78990

Durchmusterung Catalogue BD-20 4408

General Catalogue of Variable Stars 7454

Visibility from Your Location

Today's ω2 Scorpii (omega2 Scorpii) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 110.9° RISE 20:26

Max altitude: 17.6° TRANSIT 0:30

Azimuth: 249.1° SET 4:37

Set Location

Other stars in Scorpius