Your Guide to the Solar System and the Night Sky
Donate now! You'll help cover server costs, enhance the site and keep it ad-free.
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:51  
clear_day Transit: 12:56  
SunsetSet: 21:00 south
sunny DaytimeWhat's Visible Now
All Constellations » Taurus » 

11 Tauri

11 Tauri is a double sub-giant star in the constellation of Taurus.

11 Tauri visual magnitude is 6.11. Because of its reltive faintness, 11 Tauri should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 11 Tauri:

11 Tauri is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 56°.

Celestial coordinates and finder chart of 11 Tauri

11 Tauri is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 11 Tauri are provided in the following table:

03h 40m 46s
+25° 19’ 45”

The simplified sky map below shows the position of 11 Tauri in the sky:

Finder chart 11 Tauri star
Simplified finder chart for 11 Tauri.

Visibility of 11 Tauri 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 11 Tauri 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: 64.7°
Max altitude: 63.8°
Azimuth: 295.3°
11 Tauri is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 11 Tauri

The image below is a photograph of 11 Tauri from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 11 Tauri is 0.008 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.

Image of 11 Tauri star
DSS2 image of 11 Tauri. The red arrow shows the motion of 11 Tauri during the next 10000 years (1.33 arcmin in Right Ascension and -2.50 arcmin in declination);

Distance of 11 Tauri from the Sun and relative movement

11 Tauri is distant 522.44 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

160.26 pc
522.44 ly
-5 km/s
0.008 arcsec/year
-0.015 arcsec/year

Spectral properties of 11 Tauri

11 Tauri belongs to spectral class A2 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where 11 Tauri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 11 Tauri. Attribution: Richard Powell / CC BY-SA

11 Tauri star system properties

11 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 11 Tauri double sysyem:

0 arcsec

Alternative designations of 11 Tauri