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public LocationGreenwich, UK
Sunrise: 5:14 
Transit: 13:06 
Sunset: 20:58
sunny   (Daytime)   What's Visible Now?
All Constellations » Taurus » 

40 Tauri

Above the horizon.  Rise: 2:29 | Tran: 8:54 | Set: 15:20
Alt: 9.94°   Az: 266.33°   Direction: West

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

40 Tauri visual magnitude is 5.33. Because of its faintness, 40 Tauri 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 40 Tauri star
DSS2 image of 40 Tauri. The red arrow shows the motion of 40 Tauri during the next 10000 years (0.50 arcmin in Right Ascension and -1.67 arcmin in declination);

Celestial Coordinates


04h 05m 02s
+05° 30’ 05”
05h 23m 44s
09h 28m 47s


04h 03m 44s
+05° 26’ 08”

Galactic Coordinates


Finder Chart

Finder chart 40 Tauri star
Simplified finder chart for 40 Tauri.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where 40 Tauri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 40 Tauri. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

40 Tauri is distant 1,044.87 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

11 km/s
0.003 arcsec/y

Alternative Designations


Visibility from Your Location

Today's 40 Tauri rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 84.5°
Max altitude: 44.0°
Azimuth: 275.5°