139 Tauri is a hypergiant star in the constellation of Taurus.
139 Tauri visual magnitude is 4.82. Because of its moderate brightness, 139 Tauri should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about 139 Tauri:
Celestial coordinates and finder chart of 139 Tauri
139 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 139 Tauri are provided in the following table:
The simplified sky map below shows the position of 139 Tauri in the sky:
Visibility of 139 Tauri from your location
Digitized Sky Survey image of 139 Tauri
The image below is a photograph of 139 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 139 Tauri is 0 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of 139 Tauri from the Sun and relative movement
139 Tauri is distant 2,103.23 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.
Spectral properties of 139 Tauri
139 Tauri belongs to spectral class B0 and has a luminosity class of II corresponding to a hypergiant star.
The red dot in the diagram below shows where 139 Tauri is situated in the Hertzsprung–Russell diagram.