Phi CassiopeiaeThis yellow giant or supergiant lies in the foreground of the open cluster NGC 457, which itself is 7900 light-years away from us. The given distance for Phi Cas is very uncertain and the lower limit. Maybe the star is much further away, which would make it much more luminous.Constellation: Cassiopeia Distance: 2330 light-years Spectral class: F0 Visual magnitude: 4.98 Luminosity: 18 000 * Sun Back: List of big and giant stars part 2 12/17/2007 |
Phi Cas is the brightest star in this image, next to it is NGC 457. Photo: Ken and Emilie Siarkiewicz/Adam Block/NOAO/AURA/NSF |
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