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:

Color of 11 Tauri ⬤

Magnitude of 11 Tauri 6.11

Class Sub-giant

VISIBILITY RIGHT NOW 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:

Right Ascension J2000 03h 40m 46s

Declination J2000 +25° 19’ 45”

Galactic Longitude 164.54°

Galactic Latitude -23.55°

Constellation Taurus

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

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° RISE 3:50

Max altitude: 63.8° TRANSIT 12:13

Azimuth: 295.3° SET 20:37

RIGHT NOW 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.

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.

Distance (parsec) 160.26 pc

Distance (light year) 522.44 ly

Heliocentric radial velocity -5 km/s

Proper Motion RA 0.008 arcsec/year

Proper Motion Dec -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.

Absolute magnitude 0.09

Spectral Type A2IV

Color Index (B-V) 0.06

Temperature of 11 Tauri 9434K

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

Main star magnitude 6.11

Secondary star magnitude 8.11

Magnitude difference 2

Separation 0 arcsec

Alternative designations of 11 Tauri

Flamsteed designation 11 Tauri

Henry Draper Catalogue HD22805

SAO Catalogue SAO76073

Hipparcos Catalogue HIP17181

Durchmusterung Catalogue BD+24 529

FK5 Catalogue 1103

In Evidence

Other stars in Taurus