τ1 Eridani (tau1 Eridani)
τ1 Eridani is a main-sequence star in the constellation of Eridanus.
τ1 Eridani visual magnitude is 4.47. Because of its moderate brightness, τ1 Eridani 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 τ1 Eridani:
Celestial coordinates and finder chart of τ1 Eridani
τ1 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 τ1 Eridani are provided in the following table:
The simplified sky map below shows the position of τ1 Eridani in the sky:
Visibility of τ1 Eridani from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's τ1 Eridani (tau1 Eridani) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of τ1 Eridani
The image below is a photograph of τ1 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 τ1 Eridani is 0.33 arcsec per year in Right Ascension and 0.038 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of τ1 Eridani from the Sun and relative movement
τ1 Eridani is distant 45.56 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.
Spectral properties of τ1 Eridani
τ1 Eridani belongs to spectral class F6 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where τ1 Eridani is situated in the Hertzsprung–Russell diagram.