σ1 Tauri (sigma1 Tauri)
σ1 Tauri is a multiple star in the constellation of Taurus.
σ1 Tauri visual magnitude is 5.07. Because of its reltive faintness, σ1 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 σ1 Tauri:
Celestial coordinates and finder chart of σ1 Tauri
σ1 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 σ1 Tauri are provided in the following table:
The simplified sky map below shows the position of σ1 Tauri in the sky:
Visibility of σ1 Tauri from your location
Digitized Sky Survey image of σ1 Tauri
The image below is a photograph of σ1 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 σ1 Tauri is 0.039 arcsec per year in Right Ascension and -0.072 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of σ1 Tauri from the Sun and relative movement
σ1 Tauri is distant 151.70 light years from the Sun and it is moving far from the Sun at the speed of 19 kilometers per second.
Spectral properties of σ1 Tauri
σ1 Tauri belongs to spectral class A4
The red dot in the diagram below shows where σ1 Tauri is situated in the Hertzsprung–Russell diagram.
σ1 Tauri star system properties
σ1 Tauri is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the σ1 Tauri double sysyem: