We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
Help keep this site free and ads-free: donate now!
public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
sunny   (Daytime)   What's Visible Now?

121 Tauri

Above the horizon.  Rise: 4:44 | Tran: 12:58 | Set: 21:12
Altitude: 2.8°   Azimuth: 53.7°   Direction: North-East

121 Tauri is a variable sub-giant star of spectral class B2 in the constellation of Taurus.

121 Tauri visual magnitude is 5.38. Because of its faintness, 121 Tauri is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of 121 Tauri

Finder chart 121 Tauri star
Simplified finder chart for 121 Tauri.

121 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 121 Tauri are provided in the following table:

05h 35m 27s
+24° 02’ 21”
Image of 121 Tauri star
DSS2 image of 121 Tauri. The red arrow shows the motion of 121 Tauri during the next 10000 years (1.67 arcmin in Right Ascension and -4.00 arcmin in declination);

Key facts about 121 Tauri


and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where 121 Tauri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 121 Tauri. Attribution: Richard Powell / CC BY-SA

Distance of 121 Tauri from the Sun and relative movement

121 Tauri is distant 599.26 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

183.82 pc
599.26 ly
23 km/s
0.01 arcsec/year
-0.024 arcsec/year

Alternative designations of 121 Tauri


Visibility of 121 Tauri from your location

Today's 121 Tauri rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 66.0°
Max altitude: 62.6°
Azimuth: 294.0°