A new outburst of the yellow hypergiant star rho Cas
classification
🌌 astro-ph.SR
keywords
outbursthypergiantspectroscopicyellowagreementappearatmosphericbands
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Spectroscopic monitoring of the yellow hypergiant $\rho$ Cas revealed a new outburst in 2013, which is obvious from the development of TiO bands in the spectra. Also many atmospheric lines characteristic for a later spectral type appear. This spectroscopic outburst is in agreement with the photometric light curve, which displays a drop by about 0.6 mag during the same period.
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