125 Tauri

125 Tauri is a multiple sub-giant star in the constellation of Taurus.

125 Tauri visual magnitude is 5.18. Because of its reltive faintness, 125 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 125 Tauri:

Color of 125 Tauri ⬤

Magnitude of 125 Tauri 5.18

Class Sub-giant

VISIBILITY RIGHT NOW 125 Tauri is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of 125 Tauri

125 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 125 Tauri are provided in the following table:

Right Ascension J2000 05h 39m 44s

Declination J2000 +25° 53’ 48”

Galactic Longitude 181.9°

Galactic Latitude -2.71°

Constellation Taurus

The simplified sky map below shows the position of 125 Tauri in the sky:

Simplified finder chart for 125 Tauri.

Visibility of 125 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 125 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: 64.1° RISE 5:41

Max altitude: 64.4° TRANSIT 14:08

Azimuth: 295.9° SET 22:36

RIGHT NOW 125 Tauri is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 125 Tauri

The image below is a photograph of 125 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 125 Tauri is 0.012 arcsec per year in Right Ascension and -0.024 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 125 Tauri. The red arrow shows the motion of 125 Tauri during the next 10000 years (2.00 arcmin in Right Ascension and -4.00 arcmin in declination);

Distance of 125 Tauri from the Sun and relative movement

125 Tauri is distant 495.44 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

Distance (parsec) 151.98 pc

Distance (light year) 495.44 ly

Heliocentric radial velocity 15 km/s

Proper Motion RA 0.012 arcsec/year

Proper Motion Dec -0.024 arcsec/year

Spectral properties of 125 Tauri

125 Tauri belongs to spectral class B3 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude -0.73

Spectral Type B3IV

Color Index (B-V) -0.15

Temperature of 125 Tauri 12489K

The red dot in the diagram below shows where 125 Tauri is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 125 Tauri. Attribution: Richard Powell / CC BY-SA

125 Tauri star system properties

125 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 125 Tauri double sysyem:

Main star magnitude 5.18

Secondary star magnitude 7.18

Magnitude difference 2

Separation 0 arcsec

Alternative designations of 125 Tauri

Flamsteed designation 125 Tauri

Henry Draper Catalogue HD37438

SAO Catalogue SAO77360

Hipparcos Catalogue HIP26640

Durchmusterung Catalogue BD+25 902

FK5 Catalogue 2424

In Evidence

Other stars in Taurus