105 Tauri

105 Tauri is a multiple main-sequence star in the constellation of Taurus.

105 Tauri visual magnitude is 5.89. Because of its reltive faintness, 105 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 105 Tauri:

Color of 105 Tauri ⬤

Magnitude of 105 Tauri 5.89

Class Main-sequence

VISIBILITY RIGHT NOW 105 Tauri is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of 105 Tauri

105 Tauri is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 105 Tauri are provided in the following table:

Right Ascension J2000 05h 07m 55s

Declination J2000 +21° 42’ 16”

Galactic Longitude 181.34°

Galactic Latitude -11.09°

Constellation Taurus

The simplified sky map below shows the position of 105 Tauri in the sky:

Simplified finder chart for 105 Tauri.

Visibility of 105 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 105 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: 68.3° RISE 5:31

Max altitude: 60.2° TRANSIT 13:28

Azimuth: 291.7° SET 21:26

RIGHT NOW 105 Tauri is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 105 Tauri

The image below is a photograph of 105 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 105 Tauri is 0.005 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of 105 Tauri. The red arrow shows the motion of 105 Tauri during the next 100000 years (8.33 arcmin in Right Ascension and -10.00 arcmin in declination);

Distance of 105 Tauri from the Sun and relative movement

105 Tauri is distant 1,031.65 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

Distance (parsec) 316.46 pc

Distance (light year) 1,031.65 ly

Heliocentric radial velocity 17 km/s

Proper Motion RA 0.005 arcsec/year

Proper Motion Dec -0.006 arcsec/year

Spectral properties of 105 Tauri

105 Tauri belongs to spectral class B2 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude -1.61

Spectral Type B2V

Color Index (B-V) 0.19

Temperature of 105 Tauri 8241K

The red dot in the diagram below shows where 105 Tauri is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 105 Tauri. Attribution: Richard Powell / CC BY-SA

Alternative designations of 105 Tauri

Flamsteed designation 105 Tauri

Henry Draper Catalogue HD32991

SAO Catalogue SAO76972

Hipparcos Catalogue HIP23883

Durchmusterung Catalogue BD+21 766

In Evidence

Other stars in Taurus