Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...138..469g&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 138, no. 2, Sept. 1984, p. 469-476.
Astronomy and Astrophysics
Astronomy
11
Astronomical Spectroscopy, High Resolution, Linear Polarization, Radio Sources (Astronomy), Supernova Remnants, Astronomical Maps, Continuous Spectra, Extragalactic Radio Sources, H Ii Regions, Nebulae
Scientific paper
Radio continuum observations of a low galactic latitude region near l = 94° are presented at 608.5 MHz and 4.75 GHz. At 4.75 GHz both total power and linear polarization measurements were made. The non-thermal source 3C434.1 is shown to be a shell-type SNR with a non-uniform distribution of emission. The nearby source NRAO 655 has a flat spectrum above 600 MHz and is unpolarized. A thermal nature seems more likely, although it cannot yet be ruled out that the source is an unusually flat spectrum SNR. Three other probable thermal sources are identified, two of which are candidate compact H II regions. Linear polarization has been detected from the extended extragalactic source 4C50.55.
Goss William Miller
Mantovani Fabio
Salter Christopher J.
Tomasi Paolo
Velusamy Thangasamy
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