φ Eridani (phi Eridani)
φ Eridani is a double main-sequence star in the constellation of Eridanus.
φ Eridani visual magnitude is 3.56. Because of its moderate brightness, φ Eridani 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 φ Eridani is 0.096 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.
Key facts about φ Eridani
Celestial coordinates and finder chart of φ Eridani
φ Eridani is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of φ Eridani are provided in the following table:
The simplified sky map below shows the position of φ Eridani in the sky:
Visibility of φ Eridani from your location
Distance of φ Eridani from the Sun and relative movement
φ Eridani is distant 154.80 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.
Spectral properties of φ Eridani
φ Eridani belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where φ Eridani is situated in the Hertzsprung–Russell diagram.
φ Eridani star system properties
φ Eridani is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the φ Eridani double sysyem: