First 3mm molecular line survey of O-rich evolved objects

Details First 3mm molecular line survey of O-rich evolved objects First 3mm molecular line survey of O-rich evolved objects

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atnf.prop..766h&link_type=abstract

ATNF proposal M232, Semester: April, 2007

Physics

Stellar, Mopra

Scientific paper

The chemical and physical evolution of AGB is not well known, especially for O-rich objects. We propose to perform a complete 3 millimeter line survey using the MOPS spectrometer toward three O-rich sources: NML Tau (AGB star), OH 231.8+4.2 (proto-planetary nebula) and NGC 6302 (planetary nebula). The goal is to gather the most complete information on the molecular content for each of these stages. The physical parameters of the different gas regions can be established by studying the large number of expected detected lines. A complete census of the millimeter lines is mandatory to analyze and understand the whole chemistry puzzle, having access to all the parents and product species.

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