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Cosmic masers, naturally occurring amplifiers of microwave emission
from atoms and molecules in the Milky Way and other galaxies,
provide important tools to investigate astrophysical environments.
The first, hydroxyl (OH) masers were discovered in 1965 and since
that time several thousand sources of maser emission, from a
variety of cosmic molecules, have been discovered and studied.
Because this natural emission occurs at discrete frequencies, which
depend upon specific atomic or molecular transitions, masers are
also useful for studying the structure and dynamics of our own
galaxy. Masers in other galaxies are now used for cosmological
studies of the dynamics of massive black holes in galactic nuclei
and to directly measure the Hubble constant, H0. This volume
contains a comprehensive, up-to-date review of cosmic masers, their
nature, sources, environments and uses, as presented at IAU
Symposium 287, the fourth international symposium on cosmic masers.
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Excel 365 Charts
M. L. Humphrey
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R214
Discovery Miles 2 140
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