121 Tauri is a variable sub-giant star in the constellation of Taurus.
121 Tauri visual magnitude is 5.38. Because of its reltive faintness, 121 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 121 Tauri:
Celestial coordinates and finder chart of 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:
The simplified sky map below shows the position of 121 Tauri in the sky:
Visibility of 121 Tauri from your location
Digitized Sky Survey image of 121 Tauri
The image below is a photograph of 121 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 121 Tauri is 0.01 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.
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.
Spectral properties of 121 Tauri
121 Tauri belongs to spectral class B2 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.