τ2 Serpentis (tau2 Serpentis)
τ2 Serpentis is a main-sequence star in the constellation of Serpens.
τ2 Serpentis visual magnitude is 6.22. Because of its reltive faintness, τ2 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 τ2 Serpentis:
Celestial coordinates and finder chart of τ2 Serpentis
τ2 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 τ2 Serpentis are provided in the following table:
The simplified sky map below shows the position of τ2 Serpentis in the sky:
Visibility of τ2 Serpentis from your location
Digitized Sky Survey image of τ2 Serpentis
The image below is a photograph of τ2 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 τ2 Serpentis is 0.001 arcsec per year in Right Ascension and 0.009 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of τ2 Serpentis from the Sun and relative movement
τ2 Serpentis is distant 431.22 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.
Spectral properties of τ2 Serpentis
τ2 Serpentis belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where τ2 Serpentis is situated in the Hertzsprung–Russell diagram.