16 Ophiuchi is a giant star in the constellation of Ophiuchus.
16 Ophiuchi visual magnitude is 6.03. Because of its reltive faintness, 16 Ophiuchi 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 16 Ophiuchi:
Celestial coordinates and finder chart of 16 Ophiuchi
16 Ophiuchi 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 16 Ophiuchi are provided in the following table:
The simplified sky map below shows the position of 16 Ophiuchi in the sky:
Visibility of 16 Ophiuchi from your location
Digitized Sky Survey image of 16 Ophiuchi
The image below is a photograph of 16 Ophiuchi 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 16 Ophiuchi is 0.002 arcsec per year in Right Ascension and 0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of 16 Ophiuchi from the Sun and relative movement
16 Ophiuchi is distant 476.61 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.
Spectral properties of 16 Ophiuchi
16 Ophiuchi belongs to spectral class B9 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where 16 Ophiuchi is situated in the Hertzsprung–Russell diagram.