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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:12 
Transit: 12:14 
Sunset: 17:16
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All Constellations » Eridanus » 

τ7 Eridani (tau7 Eridani)

Below the horizon.  Rise: 14:16 | Tran: 18:00 | Set: 21:45
Alt: -1.18°   Az: 231.53°   Direction: South-West

τ7 Eridani is a variable star of spectral class A2 in the constellation of Eridanus.

τ7 Eridani visual magnitude is 5.24. Because of its faintness, τ7 Eridani is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of τ7 Eridani (tau7 Eridani) star
DSS2 image of τ7 Eridani. The red arrow shows the motion of τ7 Eridani during the next 10000 years (7.17 arcmin in Right Ascension and 8.00 arcmin in declination);

Celestial Coordinates

Apparent

03h 48m 44s
-23° 47’ 55”
03h 55m 16s
07h 44m 00s

J2000

03h 47m 39s
-23° 52’ 28”

Galactic Coordinates

218.37°
-50.3°

Finder Chart

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Finder chart for τ7 Eridani (tau7 Eridani).

Magnitude, Color, Spectral Class

5.24

0.63
A2
9328K

The red dot in the diagram below shows where τ7 Eridani is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of τ7 Eridani. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

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.

83.47
272.12
29 km/s
0.043 arcsec/y
0.048"/y

Alternative Designations

τ7 Eridani
(tau7 Eridani)
SAO168836
SAO168836

Visibility from Your Location

Today's τ7 Eridani (tau7 Eridani) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 113.8°
Max altitude: 14.7°
Azimuth: 246.2°