Infrared observations of four OH maser sources - Shell physical parameters and OH excitation

Details Infrared observations of four OH maser sources - Shell physical parameters and OH excitation Infrared observations of four OH maser sources - Shell physical parameters and OH excitation

Mar 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...132...75l&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 132, no. 1, March 1984, p. 75-79.

Astronomy and Astrophysics

Astrophysics

13

Hydroxyl Emission, Infrared Stars, Interstellar Masers, Spectral Energy Distribution, Stellar Envelopes, Cosmic Dust, Hydroxyl Radicals, Infrared Spectra, Molecular Excitation, Optical Pumping, Stellar Spectrophotometry

Scientific paper

Photometric and spectrophotometric data in the range between 1 and 20 microns of four southern IR sources associated with OH maser emission are presented and interpreted in terms of a radiative transfer model. Such parameters as gas densities, dust mass loss rates, luminosities and OH pumping efficiencies are derived. Combined infrared and radio data suggest that both type I and type II OH sources can be radiatively pumped by infrared photons emitted by dust grains.

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