The Curious Case of the Alpha Persei Corona: A Dwarf in Supergiant's Clothing?
TR Ayres - The Astrophysical Journal, 2011 - iopscience.iop.org
ABSTRACT Alpha Persei (HD 20902: F5 Iab) is a luminous, nonvariable supergiant located
at the blue edge of the Cepheid instability strip. It is one of the brightest coronal X-ray …
at the blue edge of the Cepheid instability strip. It is one of the brightest coronal X-ray …