18 Sextantis

Above the horizon. Rise: 4:23 | Tran: 9:38 | Set: 14:53

Alt: 24.35° Az: 146.14° Direction: South-East

18 Sextantis is a variable giant star of spectral class K2 in the constellation of Sextans.

18 Sextantis visual magnitude is 5.65. Because of its faintness, 18 Sextantis 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 18 Sextantis. The red arrow shows the motion of 18 Sextantis during the next 10000 years (-1.00 arcmin in Right Ascension and -7.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 12m 09s

Declination -08° 32’ 28”

Hour Angle 21h 56m 29s

Sidereal Time 08h 08m 38s

J2000

Right Ascension 10h 10m 55s

Declination -08° 25’ 05”

Galactic Coordinates

Galactic Longitude 249.63°

Galactic Latitude 37.33°

Finder Chart

Simplified finder chart for 18 Sextantis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.65

Class Giant

Absolute magnitude -0.16

Spectral Type K2III

Color Index (B-V) 1.3

Temperature 4121K

The red dot in the diagram below shows where 18 Sextantis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 18 Sextantis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

18 Sextantis is distant 473.15 light years from the Sun

Distance (parsec) 145.14

Distance (light year) 473.15

Proper Motion RA -0.006 arcsec/y

Proper Motion Dec -0.044"/y

Alternative Designations

Flamsteed designation 18 Sextantis

Henry Draper Catalogue HD88333

SAO Catalogue SAO137395

Hipparcos Catalogue HIP49865

Durchmusterung Catalogue BD-07 2977

General Catalogue of Variable Stars 4767

Visibility from Your Location

Today's 18 Sextantis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 98.5° RISE 4:23

Max altitude: 30.0° TRANSIT 9:38

Azimuth: 261.5° SET 14:53

Set Location

Other stars in Sextans