τ9 Eridani (tau9 Eridani)
τ9 Eridani is a variable main-sequence star in the constellation of Eridanus.
τ9 Eridani visual magnitude is 4.66. Because of its moderate brightness, τ9 Eridani should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.
The proper motion of τ9 Eridani is 0.015 arcsec per year in Right Ascension and 0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about τ9 Eridani
τ9 Eridani (tau9 Eridani) is below the horizon from Greenwich, United Kingdom.
Altitude: -42.7°
Azimuth: 285.7°
Direction: West-North-West
Celestial coordinates and finder chart of τ9 Eridani
τ9 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 τ9 Eridani are provided in the following table:
The simplified sky map below shows the position of τ9 Eridani in the sky:
Visibility of τ9 Eridani from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Today's τ9 Eridani (tau9 Eridani) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of τ9 Eridani from the Sun and relative movement
τ9 Eridani is distant 330.96 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.
Spectral properties of τ9 Eridani
τ9 Eridani belongs to spectral class B6 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where τ9 Eridani is situated in the Hertzsprung–Russell diagram.
