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MALT90 second-year data release

We are pleased to release the second-year data for the Millimetre Astronomy Legacy Team 90GHz (MALT90) survey.

MALT90 is a large international project aimed at characterizing high-mass dense cores. Exploiting the unique broad frequency range and OTF-mapping capabilities of the Mopra 22-m telescope, MALT90 will be the first systematic survey of several thousand dense cores in the southern sky at this frequency. When complete, MALT90 will be the largest database of molecular line emission toward high-mass star-forming cores.

The second data release comprises an additional 636 dense cores mapped during our second observing season (May - Sept 2011). In total, data toward 1135 high-mass dense cores are
now available. For each core, the data release includes processed (l,b,v) cubes and (l,b) moment and error maps for all 16 of the emission lines observed.

The data are available through the Australia Telescope Online Archive (ATOA) :

For more information about MALT90 go to:

MALT90 Acknowledgment: The MALT90 project team gratefully acknowledges the use of dense core positions supplied by ATLASGAL. ATLASGAL is a collaboration between the Max Planck Gesellschaft (MPG: Max Planck Institute for Radioastronomy, Bonn and the Max Planck Institute for Astronomy, Heidelberg), the European Southern Observatory (ESO) and the University of Chile.

For more information please contact James Jackson (, Jonathan Foster ( or Jill Rathborne (

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Added by Jill Rathborne on 2012-01-17

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