Psi

Hot blue star

Its story

Psi Eridani is a blue B-type star, young and energetic, burning some 740 light years away in the long course of the celestial river. Its light has been travelling roughly thirty times longer than humanity has been exploring space: when it left the star's surface, the Netherlands had just declared independence and Galileo had not yet aimed his telescope at the sky. To the naked eye it is a discreet glint; in truth, a furnace hundreds of times brighter than the Sun.

Constellation: Eridanus
Apparent magnitude: 4.80
Distance: 739.7 light years
Coordinates (J2000): RA 75.360° · Dec -7.174°
Catalogue: HIP 23364 · HD 32249

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