39 Serpentis is a variable and double hypergiant star in the constellation of Serpens.
39 Serpentis visual magnitude is 6.1. Because of its reltive faintness, 39 Serpentis 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 39 Serpentis:
Celestial coordinates and finder chart of 39 Serpentis
39 Serpentis 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 39 Serpentis are provided in the following table:
The simplified sky map below shows the position of 39 Serpentis in the sky:
Visibility of 39 Serpentis from your location
Digitized Sky Survey image of 39 Serpentis
The image below is a photograph of 39 Serpentis 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 39 Serpentis is -0.151 arcsec per year in Right Ascension and -0.561 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of 39 Serpentis from the Sun and relative movement
39 Serpentis is distant 56.92 light years from the Sun and it is moving far from the Sun at the speed of 36 kilometers per second.
Spectral properties of 39 Serpentis
39 Serpentis belongs to spectral class G0 and has a luminosity class of V corresponding to a hypergiant star.
The red dot in the diagram below shows where 39 Serpentis is situated in the Hertzsprung–Russell diagram.
39 Serpentis star system properties
39 Serpentis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 39 Serpentis double sysyem: