τ Piscium (tau Piscium)
τ Piscium is a hypergiant star in the constellation of Pisces.
τ Piscium visual magnitude is 4.51. Because of its moderate brightness, τ Piscium should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about τ Piscium:
Celestial coordinates and finder chart of τ Piscium
τ Piscium is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of τ Piscium are provided in the following table:
The simplified sky map below shows the position of τ Piscium in the sky:
Visibility of τ Piscium from your location
Digitized Sky Survey image of τ Piscium
The image below is a photograph of τ Piscium 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 τ Piscium is 0.072 arcsec per year in Right Ascension and -0.035 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of τ Piscium from the Sun and relative movement
τ Piscium is distant 162.11 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.
Spectral properties of τ Piscium
τ Piscium 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 τ Piscium is situated in the Hertzsprung–Russell diagram.