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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 5:47  
clear_day Transit: 12:56  
SunsetSet: 20:07
sunny DaytimeWhat's Visible Now?
All Constellations » Eridanus » 

τ8 Eridani (tau8 Eridani)

Altitude: 10.9°   Azimuth: 202.5°   Direction: South-South-West

τ8 Eridani is a variable main-sequence star in the constellation of Eridanus.

τ8 Eridani visual magnitude is 4.65. Because of its moderate brightness, τ8 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 τ8 Eridani is 0.023 arcsec per year in Right Ascension and -0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of τ8 Eridani (tau8 Eridani) star
DSS2 image of τ8 Eridani. The red arrow shows the motion of τ8 Eridani during the next 10000 years (3.83 arcmin in Right Ascension and -2.67 arcmin in declination);

Key facts about τ8 Eridani

4.65
Main-sequence

τ8 Eridani (tau8 Eridani) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 10.9°
Azimuth: 202.5°
Direction: South-South-West

Celestial coordinates and finder chart of τ8 Eridani

τ8 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 τ8 Eridani are provided in the following table:

03h 53m 42s
-24° 36’ 45”
220°
-49.14°
Eridanus

The simplified sky map below shows the position of τ8 Eridani in the sky:

Finder chart τ8 Eridani (tau8 Eridani) star
Simplified finder chart for τ8 Eridani (tau8 Eridani).

Visibility of τ8 Eridani from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's τ8 Eridani (tau8 Eridani) rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 114.6°
Max altitude: 13.9°
Azimuth: 245.4°

Distance of τ8 Eridani from the Sun and relative movement

τ8 Eridani is distant 385.34 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

118.20 pc
385.34 ly
23 km/s
0.023 arcsec/year
-0.016 arcsec/year

Spectral properties of τ8 Eridani

τ8 Eridani belongs to spectral class B6 and has a luminosity class of V corresponding to a main-sequence star.

-0.71
B6V
12103K

The red dot in the diagram below shows where τ8 Eridani is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of τ8 Eridani. Attribution: Richard Powell / CC BY-SA

Alternative designations of τ8 Eridani

τ8 Eridani
(tau8 Eridani)
SAO168925
SAO168925