τ7 Eridani (tau7 Eridani)
τ7 Eridani is a variable star in the constellation of Eridanus.
τ7 Eridani visual magnitude is 5.24. Because of its reltive faintness, τ7 Eridani 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 τ7 Eridani:
Celestial coordinates and finder chart of τ7 Eridani
τ7 Eridani 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 τ7 Eridani are provided in the following table:
The simplified sky map below shows the position of τ7 Eridani in the sky:
Visibility of τ7 Eridani from your location
Today's τ7 Eridani (tau7 Eridani) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of τ7 Eridani
The image below is a photograph of τ7 Eridani 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 τ7 Eridani is 0.043 arcsec per year in Right Ascension and 0.048 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of τ7 Eridani from the Sun and relative movement
τ7 Eridani is distant 272.12 light years from the Sun and it is moving far from the Sun at the speed of 29 kilometers per second.
Spectral properties of τ7 Eridani
τ7 Eridani belongs to spectral class A2
The red dot in the diagram below shows where τ7 Eridani is situated in the Hertzsprung–Russell diagram.