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Paper: A New Outburst of the Yellow Hypergiant Star ρ Cas
Volume: 508, The B[e] Phenomenom: Forty Years of Studies
Page: 357
Authors: Aret, A.; Kraus, M.; Kolka, I.; Maravelias, G.
Abstract: Spectroscopic monitoring of the yellow hypergiant ρ Cas revealed a new outburst in 2013, which is obvious from the development of TiO bands in the spectra. Also many atmospheric lines characteristic of 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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