Very high resolution instrument for infrared observations of molecules in space

Details Very high resolution instrument for infrared observations of molecules in space Very high resolution instrument for infrared observations of molecules in space

Mar 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mmsai..49..239a&link_type=abstract

(Società Astronomica Italiana, Conference on Infrared Astronomy, 1st, Lecce, Italy, Sept. 22-24, 1977.) Società Astronomica Ital

Astronomy and Astrophysics

Astronomy

High Resolution, Infrared Spectrometers, Infrared Telescopes, Molecular Spectroscopy, Submillimeter Waves, Density Measurement, Gas Density, Hydrogen Clouds, Interstellar Gas, Line Spectra

Scientific paper

Submillimeter Fourier spectrometers are considered as possible instruments for the detection of line emission from molecular clouds. The minimum H2 density required to obtain molecular line emission is estimated as a function of wave number for several molecules. Instrument requirements and suitable telescopes for the detection of such emissions are examined. It is shown that the detection of line emission from molecular clouds depends on several parameters, such as cloud density, collapse velocity, molecular column density, transition frequency, and the size of the telescope used.

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