φ Tauri (phi Tauri)
φ Tauri is a double giant star in the constellation of Taurus.
φ Tauri visual magnitude is 4.95. Because of its moderate brightness, φ 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 φ Tauri:
Celestial coordinates and finder chart of φ Tauri
φ 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 φ Tauri are provided in the following table:
The simplified sky map below shows the position of φ Tauri in the sky:
Visibility of φ Tauri from your location
Digitized Sky Survey image of φ Tauri
The image below is a photograph of φ 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 φ Tauri is -0.025 arcsec per year in Right Ascension and -0.08 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of φ Tauri from the Sun and relative movement
φ Tauri is distant 342.08 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.
Spectral properties of φ Tauri
φ Tauri belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where φ Tauri is situated in the Hertzsprung–Russell diagram.
φ Tauri star system properties
φ Tauri is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the φ Tauri double sysyem: