The star Alpha Piscium, also spelt Alrischa. It is a close binary consisting of two A-type stars of peculiar spectra and unknown luminosity class, magnitudes 4.2 and 5.2, with an orbital period of about 930 years. Together they appear as a star of magnitude 3.8. They lie 151 l.y. away.
Subjects: Astronomy and Astrophysics.