3 Scorpii

Below the horizon. Rise: 21:15 | Tran: 0:48 | Set: 4:25

Alt: -18.46° Az: 252.27° Direction: West-South-West

3 Scorpii is a variable giant star of spectral class B8 in the constellation of Scorpius.

3 Scorpii visual magnitude is 5.87. Because of its faintness, 3 Scorpii 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 3 Scorpii. The red arrow shows the motion of 3 Scorpii during the next 10000 years (-2.17 arcmin in Right Ascension and -3.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 56m 11s

Declination -25° 19’ 00”

Hour Angle 05h 52m 41s

Sidereal Time 21h 48m 52s

J2000

Right Ascension 15h 54m 39s

Declination -25° 14’ 36”

Galactic Coordinates

Galactic Longitude 347.12°

Galactic Latitude 21.51°

Finder Chart

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Finder chart for 3 Scorpii.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.87

Class Giant

Absolute magnitude 0.14

Spectral Type B8III

Color Index (B-V) -0.06

Temperature 10941K

The red dot in the diagram below shows where 3 Scorpii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 3 Scorpii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

3 Scorpii is distant 455.31 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 139.66

Distance (light year) 455.31

Radial Speed -9 km/s

Proper Motion RA -0.013 arcsec/y

Proper Motion Dec -0.022"/y

Alternative Designations

Flamsteed designation 3 Scorpii

Henry Draper Catalogue HD142301

SAO Catalogue SAO183914

Hipparcos Catalogue HIP77909

Durchmusterung Catalogue CD-2412365

General Catalogue of Variable Stars V927 Sco

Visibility from Your Location

Today's 3 Scorpii rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 115.3° RISE 21:15

Max altitude: 13.2° TRANSIT 0:48

Azimuth: 244.7° SET 4:25

Set Location

Other stars in Scorpius