Recent observations of the 8-13 micron spectra of H2 regions

Details Recent observations of the 8-13 micron spectra of H2 regions Recent observations of the 8-13 micron spectra of H2 regions

Nov 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974hrgc.conf...43a&link_type=abstract

H II regions and the galactic centre : proceedings of the Eighth ESLAB Symposium, 4-7 June 1974, Frascati, Italy, p. 43-48 (SEE

Astronomy and Astrophysics

Astronomy

4

Hydrogen Clouds, Infrared Spectra, Neon, Thermal Emission, Continuous Spectra, Emission Spectra, Infrared Astronomy, Ionized Gases, Line Spectra

Scientific paper

Spectral observations were carried out using the INT, Radcliffe and Tenerife telescopes and the UCL grating spectrometer. The 8 - 13 micron spectra of a number of compact H 2 regions are consistent with a simple model of a warm source surrounded by a cold envelope of obscuring material. The same absorption curve applies to the emitting and absorbing matter and appears to be independent of the particular source. Ionized neon was detected in the galactic center source Sgr A (West), confirming the thermal nature of this source; the neon abundance appears to be normal.

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