θ1 Tauri (theta1 Tauri)
θ1 Tauri is a multiple hypergiant star in the constellation of Taurus.
θ1 Tauri visual magnitude is 3.84. Because of its moderate brightness, θ1 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 θ1 Tauri:
Celestial coordinates and finder chart of θ1 Tauri
θ1 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 θ1 Tauri are provided in the following table:
The simplified sky map below shows the position of θ1 Tauri in the sky:
Visibility of θ1 Tauri from your location
Digitized Sky Survey image of θ1 Tauri
The image below is a photograph of θ1 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 θ1 Tauri is 0.103 arcsec per year in Right Ascension and -0.027 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of θ1 Tauri from the Sun and relative movement
θ1 Tauri is distant 157.79 light years from the Sun and it is moving far from the Sun at the speed of 40 kilometers per second.
Spectral properties of θ1 Tauri
θ1 Tauri belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where θ1 Tauri is situated in the Hertzsprung–Russell diagram.
θ1 Tauri star system properties
θ1 Tauri is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the θ1 Tauri double sysyem: