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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:46 
Transit: 13:03 
Sunset: 21:19
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All Constellations » Taurus » 

τ Tauri (tau Tauri)

Above the horizon.  Rise: 3:14 | Tran: 11:20 | Set: 19:26
Alt: 36.58°   Az: 261.32°   Direction: South-West

τ Tauri is a multiple main-sequence star of spectral class B3 in the constellation of Taurus.

τ Tauri visual magnitude is 4.28. Because of its moderate brightness, τ Tauri is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of τ Tauri (tau Tauri) star
DSS2 image of τ Tauri. The red arrow shows the motion of τ Tauri during the next 10000 years (-0.33 arcmin in Right Ascension and -2.67 arcmin in declination);

Celestial Coordinates

Apparent

04h 43m 46s
+23° 00’ 13”
03h 58m 21s
08h 42m 08s

J2000

04h 42m 14s
+22° 57’ 24”

Galactic Coordinates

176.64°
-15.07°

Finder Chart

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Finder chart for τ Tauri (tau Tauri).

Magnitude, Color, Spectral Class

4.28
Main-sequence

-1.17
B3V
12103K

The red dot in the diagram below shows where τ Tauri is situated in the Hertzsprung–Russell diagram.

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

Star System Properties

τ Tauri is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the τ Tauri double sysyem:

4.28
4.98
0.7
0.1 arcsec

Distance, Radial Speed, Proper Motion

τ Tauri is distant 400.49 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

122.85
400.49
15 km/s
-0.002 arcsec/y
-0.016"/y

Alternative Designations

τ Tauri
(tau Tauri)
SAO76721
SAO76721

Visibility from Your Location

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

Azimuth: 67.0°
Max altitude: 61.5°
Azimuth: 293.0°