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ISO-LWS study of pre-main sequence sources

By P. Saraceno, M. Benedettini, A. M. di Giorgio, T. Giannini, B. Nisini, D. Lorenzetti, S. Molinari, S. Pezzuto, L. Spinoglio, E. Tommasi, P. E. Clegg, J. C. Correia, M. J. Griffin, M. J. Kaufman, S. J. Leeks, G. White, E. Caux, R. Liseau and H. Smith


We present the results obtained with the ISO Long Wavelength Spectrometer on a sample of Pre-MS sources, where several molecular lines of CO, H<sub>2</sub>O and OH have been detected. The analysis of the CO lines indicates that gas temperatures as low as 200 K are consistent with the data. This would be in agreement with the relatively low abundance of water in the gas phase measured in most of the objects

Year: 1999
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Provided by: Open Research Online

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