27 Scorpii

Below the horizon. Rise: 22:11 | Tran: 0:28 | Set: 2:49

Alt: -4.50° Az: 141.74° Direction: South-East

27 Scorpii is a giant star of spectral class K5 in the constellation of Scorpius.

27 Scorpii visual magnitude is 5.48. Because of its faintness, 27 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 27 Scorpii. The red arrow shows the motion of 27 Scorpii during the next 100000 years (-15.00 arcmin in Right Ascension and -8.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 16h 58m 50s

Declination -33° 17’ 50”

Hour Angle 20h 49m 34s

Sidereal Time 13h 48m 25s

J2000

Right Ascension 16h 57m 11s

Declination -33° 15’ 33”

Galactic Coordinates

Galactic Longitude 350.54°

Galactic Latitude 6.07°

Finder Chart

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Finder chart for 27 Scorpii.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.48

Class Giant

Absolute magnitude -1.25

Spectral Type K5III

Color Index (B-V) 1.59

Temperature 3663K

The red dot in the diagram below shows where 27 Scorpii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 27 Scorpii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

27 Scorpii is distant 724.44 light years from the Sun and it is moving towards the Sun at the speed of 76 kilometers per second.

Distance (parsec) 222.22

Distance (light year) 724.44

Radial Speed -76 km/s

Proper Motion RA -0.009 arcsec/y

Proper Motion Dec -0.005"/y

Alternative Designations

Flamsteed designation 27 Scorpii

Henry Draper Catalogue HD152820

SAO Catalogue SAO208232

Hipparcos Catalogue HIP82960

Durchmusterung Catalogue CD-3311590

Visibility from Your Location

Today's 27 Scorpii rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 123.3° RISE 22:11

Max altitude: 5.2° TRANSIT 0:28

Azimuth: 236.7° SET 2:49

Set Location

Other stars in Scorpius