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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:49  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Taurus » 

125 Tauri

Altitude: 21.2°   Azimuth: 285.4°   Direction: West-North-West

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:


125 Tauri is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 21.2°
Azimuth: 285.4°
Direction: West-North-West

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:

05h 39m 44s
+25° 53’ 48”

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

Finder chart 125 Tauri star
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°
Max altitude: 64.4°
Azimuth: 295.9°

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.

Image of 125 Tauri star
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.

151.98 pc
495.44 ly
15 km/s
0.012 arcsec/year
-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.


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

HR 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:

0 arcsec

Alternative designations of 125 Tauri