HIFI Survey of Water Lines from Protostars

Details HIFI Survey of Water Lines from Protostars HIFI Survey of Water Lines from Protostars

Jul 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001esasp.460..219c&link_type=abstract

The Promise of the Herschel Space Observatory. Eds. G.L. Pilbratt, J. Cernicharo, A.M. Heras, T. Prusti, & R. Harris. ESA-SP 460

Computer Science

1

Stars: Formation, Missions: First

Scientific paper

Since water is very abundant and easily excited in the circumstellar environments, water lines are an extremely useful tool to probe the innermost regions of the envelopes surrounding low mass protostars as well as the immediate environment of compact and ultra-compact HII regions. In this contribution we discuss the importance to carry out a systematic survey of selected water lines in low and high mass protostars with the high resolution spectrometer HIFI on board FIRST. Given the large amount of observing time necessary to survey a meaningful number of lines in a meaningful statistical sample, this survey can only be achieved by means of a KEY PROGRAM.

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