27 Scorpii

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

27 Scorpii visual magnitude is 5.48. Because of its reltive faintness, 27 Scorpii should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 27 Scorpii:

Color of 27 Scorpii ⬤

Magnitude of 27 Scorpii 5.48

Class Giant

VISIBILITY RIGHT NOW 27 Scorpii is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of 27 Scorpii

27 Scorpii is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 27 Scorpii are provided in the following table:

Right Ascension J2000 16h 57m 11s

Declination J2000 -33° 15’ 33”

Galactic Longitude 350.54°

Galactic Latitude 6.07°

Constellation Scorpius

The simplified sky map below shows the position of 27 Scorpii in the sky:

Simplified finder chart for 27 Scorpii.

Visibility of 27 Scorpii from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

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

Azimuth: 123.3° RISE 22:55

Max altitude: 5.3° TRANSIT 1:16

Azimuth: 236.7° SET 3:33

RIGHT NOW 27 Scorpii is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 27 Scorpii

The image below is a photograph of 27 Scorpii from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 27 Scorpii is -0.009 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

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);

Distance of 27 Scorpii from the Sun and relative movement

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 pc

Distance (light year) 724.44 ly

Heliocentric radial velocity -76 km/s

Proper Motion RA -0.009 arcsec/year

Proper Motion Dec -0.005 arcsec/year

Spectral properties of 27 Scorpii

27 Scorpii belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -1.25

Spectral Type K5III

Color Index (B-V) 1.59

Temperature of 27 Scorpii 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

Alternative designations of 27 Scorpii

Flamsteed designation 27 Scorpii

Henry Draper Catalogue HD152820

SAO Catalogue SAO208232

Hipparcos Catalogue HIP82960

Durchmusterung Catalogue CD-3311590

In Evidence

Other stars in Scorpius