Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.8407a&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #84.07; Bulletin of the American Astronomical Society, V
Astronomy and Astrophysics
Astronomy
Scientific paper
I report H159 alpha observations of a long narrow, thermal spur, supposed to be emerging from the large HII region S54. The spur has been previously detected at 1420, 2695 and 4750 MHz radio continuum and the H110 alpha recombination line by Muller et al (1987). Physical Parameters are derived from the H159 alpha observations. A model for the radio continuum and radio recombination line emission suggests that the gas should be ionized by about 40 B1 stars with a mean stellar mass of 10 Solar Mass and an stellar density of 1 Solar Mass for cubic parsec into the region.
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