Single-Epoch Measurements of Broadband Radio Continuum Spectra

Details Single-Epoch Measurements of Broadband Radio Continuum Spectra Single-Epoch Measurements of Broadband Radio Continuum Spectra

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...19310722s&link_type=abstract

American Astronomical Society, 193rd AAS Meeting, #107.22; Bulletin of the American Astronomical Society, Vol. 30, p.1414

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The ability of the upgraded Arecibo 305-m telescope to produce "quasi-instantaneous" radio continuum spectra covering over a decade of frequency has been investigated, the study being undertaken as an Arecibo Observatory summer-student observing project. Within the limits of early post-upgrade instrumentation and telescope performance, it was found to be relatively easy for inexperienced observers to obtain the measurements needed to achieve the above objective. Good-quality spectra were produced for three quasars (J1609+266, J2115+295 and J2203+317) which exhibited mutually different spectral shapes. The planetary nebula, G064.7+05.0, was also included in the target list. This is shown to be optically thick at 1.4 GHz, while only an upper limit to its flux density could be determined at 430 MHz.

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