18 Sextantis is a variable giant star in the constellation of Sextans.
18 Sextantis visual magnitude is 5.65. Because of its reltive faintness, 18 Sextantis 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 18 Sextantis:
Celestial coordinates and finder chart of 18 Sextantis
18 Sextantis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 18 Sextantis are provided in the following table:
The simplified sky map below shows the position of 18 Sextantis in the sky:
Visibility of 18 Sextantis from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's 18 Sextantis rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of 18 Sextantis
The image below is a photograph of 18 Sextantis 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 18 Sextantis is -0.006 arcsec per year in Right Ascension and -0.044 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of 18 Sextantis from the Sun and relative movement
18 Sextantis is distant 473.15 light years from the Sun
Spectral properties of 18 Sextantis
18 Sextantis belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where 18 Sextantis is situated in the Hertzsprung–Russell diagram.