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APEX,
the Atacama Pathfinder Experiment, is a
collaboration between Max Planck Institut für Radioastronomie
(MPIfR) at 50%, Onsala Space Observatory (OSO) at 23%,
and the European Southern Observatory (ESO) at 27% to construct
and operate a modified ALMA prototype antenna as a single dish
on the high altitude site of Llano Chajnantor. The telescope
was supplied by VERTEX Antennentechnik in Duisburg, Germany.
Observing
with APEX will allow us to study warm and cold dust in starforming
regions both in our own Milky Way and in distant galaxies in
the young universe. High frequency spectral lines enable the
exploration of the structure and chemistry of planetary atmospheres,
dying stars, molecular clouds as well as inner regions of starburst
galaxies. We will address issues from the vast scales of the
structure of the Universe down to the physics and chemistry
of comets.
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