Ain - ε Tauri (epsilon Tauri)
Ain, also designated as ε Tauri (epsilon Tauri), is a double giant star in the constellation of Taurus.
Ain visual magnitude is 3.53. Because of its moderate brightness, Ain should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.
The proper motion of Ain is 0.107 arcsec per year in Right Ascension and -0.038 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Key facts about Ain
Celestial coordinates and finder chart of Ain
Ain 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 Ain are provided in the following table:
The simplified sky map below shows the position of Ain in the sky:
Visibility of Ain from your location
Today's Ain - ε Tauri (epsilon Tauri) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of Ain from the Sun and relative movement
Ain is distant 154.94 light years from the Sun and it is moving far from the Sun at the speed of 39 kilometers per second.
Spectral properties of Ain
Ain belongs to spectral class G9 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where Ain is situated in the Hertzsprung–Russell diagram.
Ain star system properties
Ain is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Ain double sysyem: