Abstract
view Abstract Citations (94) References (18) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Radio-synthesis observations of planetary nebulae. Terzian, Y. ; Balick, B. ; Bignell, C. Abstract Continuum radio observations of planetary nebulae are presented with angular resolutions as small as 2". These observations were made at NRAO at 2.7 and 8.1 GHz with aperture-synthesis techniques. Detailed radio maps are presented for 14 nebulae and results of observations are also given for many others. Generally it is found that several nebulae show a "double-source" structure in addition to a normal thin shell. Substantial fine structure is observed on a scale of a few seconds of arc, and central brightness depressions are evident. Emission measures as high as 6.7 >c 10 pc are indicated. Subject headings: planetary nebulae - radio sources Publication: The Astrophysical Journal Pub Date: March 1974 DOI: 10.1086/152713 Bibcode: 1974ApJ...188..257T full text sources ADS | data products SIMBAD (22)
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