Sargas - θ Scorpii (theta Scorpii)

Below the horizon. Never rises today

Alt: -7.22° Az: 160.88° Direction: South-South-East

Sargas, also designated as θ Scorpii (theta Scorpii), is a variable bright giant star of spectral class F1 in the constellation of Scorpius.

Sargas visual magnitude is 1.87, making it the 39th brightest star in the sky. Because of its brightness, Sargas is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of Sargas - θ Scorpii (theta Scorpii) star

DSS2 image of Sargas. The red arrow shows the motion of Sargas during the next 10000 years (2.50 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 39m 06s

Declination -43° 00’ 39”

Hour Angle 22h 14m 26s

Sidereal Time 15h 53m 32s

J2000

Right Ascension 17h 37m 19s

Declination -42° 59’ 52”

Galactic Coordinates

Galactic Longitude 347.14°

Galactic Latitude -5.98°

Finder Chart

Simplified finder chart for Sargas - θ Scorpii (theta Scorpii).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 1.87

Class Bright giant

Absolute magnitude -2.74

Spectral Type F1II

Color Index (B-V) 0.4

Temperature 6880K

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

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

Distance, Radial Speed, Proper Motion

Sargas is distant 271.89 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

Distance (parsec) 83.40

Distance (light year) 271.89

Radial Speed 1 km/s

Proper Motion RA 0.015 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Proper Name Sargas

Bayer designation θ Scorpii
(theta Scorpii)

Henry Draper Catalogue HD159532

SAO Catalogue SAO228201

Hipparcos Catalogue HIP86228

Durchmusterung Catalogue CD-4212312

FK5 Catalogue 654

General Catalogue of Variable Stars 9233

Visibility from Your Location

Sargas - θ Scorpii (theta Scorpii) is currently not visible from Greenwich, UK

Set Location

Other stars in Scorpius