Molecular hydrogen in the HII region G333.6-0.2

Details Molecular hydrogen in the HII region G333.6-0.2 Molecular hydrogen in the HII region G333.6-0.2

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.290..299m&link_type=abstract

In ESA, Infrared Spectroscopy in Astronomy p 299-301 (SEE N90-19084 11-89)

Astronomy and Astrophysics

Astronomy

3

H Ii Regions, Hydrogen, Infrared Astronomy, Infrared Spectroscopy, Molecular Clouds, Emission Spectra, Mass Distribution, Shock Wave Interaction, Spectral Resolution, Spectrum Analysis

Scientific paper

The obtained infrared spectral observations and a direct infrared image of the galactic H II region G 333.6-0.2 are discussed. The aim of the analysis is to study the relative distribution of the shocked and the ionized gas components. The K image shows a bright region of approx. 10 arcsec diameter surrounded by extended emission. The H2 and the Br gamma line show nearly the same structure and are concentrated in a (20 by 20 arcsecs) region. The Br gamma emission is approx. 300 times brighter than H2 emission, in the center. The H2 emission outside the central region is measured. The integrated H2 v = 1-0S(1) line intensity from G333.6 is about 10(exp -20 W/sq cm, which is lower than that previously determined from low spectral resolution data.

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