Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aas...18710808c&link_type=abstract
American Astronomical Society, 187th AAS Meeting, #108.08; Bulletin of the American Astronomical Society, Vol. 27, p.1440
Astronomy and Astrophysics
Astronomy
2
Scientific paper
In an attempt to discover further examples of non-thermal emission toward or nearby to compact HII regions --- such as found toward the water masers near W3(OH) by Reid et. al (ApJ, 1995), we observed the compact HII regions G29.96-0.02 and G31.41+0.31 using the VLA in its highest resolution configuration to image these regions at 1 arcsec true pt resolution at 20 cm wavelength. These sources have hot molecular clumps with associated water masers which are thought to have embedded newly-formed massive stars, but are not the stars responsible for ionizing the HII region. We did not unambiguously detect any non-thermal emission, but the images obtained at 20 cm when compared with images at higher frequencies in the literature allow us to discuss the spectral index of the radio emission as a function of position within the HII region at very high angular resolution.
Claussen Mark J.
Hofner Peter
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