# Water in Emission in the Infrared Space Observatory Spectrum of the Early M Supergiant Star μ Cephei

@article{Tsuji2000WaterIE,
title={Water in Emission in the Infrared Space Observatory Spectrum of the Early M Supergiant Star $\mu$ Cephei},
author={T. Tsuji},
journal={The Astrophysical Journal},
year={2000},
volume={540}
}
• T. Tsuji
• Published 2000
• Physics
• The Astrophysical Journal
We report a detection of water in emission in the spectrum of the M2 supergiant star μ Cephei (M2 Ia) observed by the Short-Wavelength Spectrometer on board Infrared Space Observatory (ISO) and now released in the ISO archives. The emission first appears in the 6 μm region (ν2 fundamental bands) and then in the 40 μm region (pure rotation lines) despite the rather strong dust emission. The intensity ratios of the emission features are far from those of the optically thin gaseous emission… Expand

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