The star Achernar has a Hipparchus parallax of 0.02339

Last updated: 7/8/2022

The star Achernar has a Hipparchus parallax of 0.02339 arcsec and appears about as bright as Betelgeuse (previous problem) in the sky. Which star is actually more luminous (powerful)? (Use the parallax of Achernar to determine the distance and compare to your response for the distance to Betelgeuse.)