Mu Cephei: Difference between revisions

'''Mu Cephei''' ([[Latinisation of names|Latinized]] from '''μ Cephei''', abbreviated '''Mu Cep''' or '''μ Cep'''), also known as '''Herschel's Garnet Star''', '''Erakis''', or '''HD 206936''', is a [[red supergiant]] or [[hypergiant]]<ref name=jay/><ref name="garrison">{{Cite journal |lastlast1=Garrison |firstfirst1=Robert F. |last2=Kormendy |first2=John |date=1976 |title=Some Characteristics of the Young Open Cluster Trumpler 37 |url=https://www.jstor.org/stable/40676037 |journal=Publications of the Astronomical Society of the Pacific |volume=88 |issue=526 |pages=865–869 |doi=10.1086/130037 |jstor=40676037 |issn=0004-6280}}</ref> star in the [[constellation]] [[Cepheus (constellation)|Cepheus]]. It appears [[garnet]] red and is located at the edge of the [[IC 1396]] nebula. Since 1943, the [[stellar spectrum|spectrum]] of this star has served as a spectral standard by which other stars are classified.