Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991stin...9233688g&link_type=abstract
Thesis - Ludwig-Maximilians-Univ. Max-Planck-Inst. für Physik und Astrophysik, Garching (Germany). Inst. für Extraterrestrische
Astronomy and Astrophysics
Astrophysics
Fabry-Perot Spectrometers, Far Infrared Radiation, Galaxies, Spatial Distribution, Imaging Spectrometers, Interstellar Matter, Measuring Instruments, Photodecomposition, Resolution, Spectrum Analysis, Starburst Galaxies, Stars
Scientific paper
A spectrometer for wavelengths between 40 and 200 micrometers is designed. Two and three cryogenic Fabry Perot interferometers were used for the spectral selection. The velocity resolution could be chosen in a range of 2 to 500 km/s. During the first flight series, the variation of the interactions of massive young stars with the interstellar medium, and the spectral mapping of a series of objects in our Galaxy are studied. The analysis of line intensities of the far infrared continuum showed that even in extreme fall of the starburst galaxy M82, the interstellar medium is not dominated by ultraviolet radiant density, but that the main part of the emission originates from photodissociation fields.
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