Infrared line and continuum views of G333.6-0.2

Details Infrared line and continuum views of G333.6-0.2 Infrared line and continuum views of G333.6-0.2

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...247..130g&link_type=abstract

Astrophysical Journal, Part 1, vol. 247, July 1, 1981, p. 130-135.

Astronomy and Astrophysics

Astronomy

20

Astronomical Spectroscopy, Infrared Astronomy, Line Spectra, Nebulae, Argon, Astronomical Maps, Emission Spectra, Fine Structure, H Ii Regions, Microwave Spectra, Neon

Scientific paper

A 1-micron CCD picture and maps of the Ne II and Ar III fine-structure lines have been obtained in a region roughly one arcmin in size centered on the core of the compact H II region G333.6 - 0.2. The two emission-line maps show nearly identical intensity distributions, although much different fluxes. The maps are similar to the 1-micron picture smoothed to their angular resolutions. The infrared line of S IV also was detected and appears to have a spatial intensity distribution similar to that of the other fine-structure lines. The 1-micron picture reveals a small number of objects of nearly stellar appearance in the core, suggesting that G333.6 - 0.2 is powered by a compact cluster of sources. Stellar continuum radiation probably is responsible in part for the low equivalent width of the B-gamma line in the core.

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