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Urquhart et al. have used the Mopra 22m telescope to conduct a 3-mm
molecular-line survey towards 570 high-mass star-forming clumps. The
sample was selected from the 10,000 clumps identified by the ATLASGAL
survey and includes the key evolutionary stages associated with
massive star formation. The observations were made over the frequency
range of 85.2 to 93.4 GHz with a velocity resolution of ∼0.9 km/s
and detected emission from 26 different transitions. The image above
shows the number of detections across the sample of 570 sources for
these 26 different spectral lines.
More details are given in
the paper
published in
Monthly Notices of the Royal Astronomical Society.
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