Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998pasa...15...50d&link_type=abstract
Publications Astronomical Society of Australia, vol. 15, no. 1, p. 50-55
Astronomy and Astrophysics
Astronomy
Hii Regions, Radio Continuum
Scientific paper
Prospects for comparisons between the AAO/UKST H-alpha survey and large-scale radio continuum emission are considered, with particular reference to the recently completed Parkes 2.4-GHz survey of the southern Galactic Plane. Both these surveys have a high sensitivity to thermal emission, and comparisons between the Parkes work and previous H-alpha surveys show many objects in common. Possibilities for new detections include: a number of new supernova remnants; the faint extensions and envelopes surrounding `classical' HII complexes, and other faint regions of thermal emission; several active HII complexes, including an outflow of ionized gas from IC 4628 and a number of bi-polar `plumes' of low-density, thermal material apparently associated with HII complexes on the Carina spiral arm.
Duncan Roy A.
Haynes Raymond F.
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