37 Ophiuchi is a double giant star in the constellation of Ophiuchus.
37 Ophiuchi visual magnitude is 5.33. Because of its reltive faintness, 37 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 37 Ophiuchi:
Celestial coordinates and finder chart of 37 Ophiuchi
37 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 37 Ophiuchi are provided in the following table:
The simplified sky map below shows the position of 37 Ophiuchi in the sky:
Visibility of 37 Ophiuchi from your location
Digitized Sky Survey image of 37 Ophiuchi
The image below is a photograph of 37 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 37 Ophiuchi is 0.001 arcsec per year in Right Ascension and -0.026 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of 37 Ophiuchi from the Sun and relative movement
37 Ophiuchi is distant 776.19 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.
Spectral properties of 37 Ophiuchi
37 Ophiuchi belongs to spectral class M2 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where 37 Ophiuchi is situated in the Hertzsprung–Russell diagram.
37 Ophiuchi star system properties
37 Ophiuchi is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the 37 Ophiuchi double sysyem: