Far-infrared observations of the evolved H II region M16

Details Far-infrared observations of the evolved H II region M16 Far-infrared observations of the evolved H II region M16

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982iraj...15..208m&link_type=abstract

Irish Astronomical Journal (ISSN 0021-1052), vol. 15, March 1982, p. 208-212. Research supported by the National Board of Scienc

Astronomy and Astrophysics

Astronomy

Astronomical Spectroscopy, Far Infrared Radiation, Galactic Evolution, H Ii Regions, Star Clusters, Conferences, Gas Density, Gas Ionization, Ireland, Open Clusters

Scientific paper

The results of far infrared (FIR) observations of the larger H II region M16, associated with the young open star cluster NGC 6611, are discussed. Three FIR sources detected on an extended ridge of FIR emission within the scanned region are described. The observations confirm that M16 is an H II region in a late stage of evolution. The H II region has expanded and is now extremely density bounded, consisting of an extended region of ionized gas and a series of ionization fronts located at the surrounding molecular cloud boundaries nearest to the exciting OB star cluster. The FIR radiation arises from heated dust at these boundaries.

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