11 Serpentis is a hypergiant star in the constellation of Serpens.
11 Serpentis visual magnitude is 5.51. Because of its reltive faintness, 11 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 11 Serpentis:
Celestial coordinates and finder chart of 11 Serpentis
11 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 11 Serpentis are provided in the following table:
The simplified sky map below shows the position of 11 Serpentis in the sky:
Visibility of 11 Serpentis from your location
Digitized Sky Survey image of 11 Serpentis
The image below is a photograph of 11 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 11 Serpentis is -0.017 arcsec per year in Right Ascension and -0.042 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of 11 Serpentis from the Sun and relative movement
11 Serpentis is distant 270.32 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.
Spectral properties of 11 Serpentis
11 Serpentis belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where 11 Serpentis is situated in the Hertzsprung–Russell diagram.