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Optical spectral properties of radio loud quasars along the main sequence

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arxiv 2004.12748 v1 pith:YAC4V3VV submitted 2020-04-27 astro-ph.GA

Optical spectral properties of radio loud quasars along the main sequence

A. del Olmo , P. Marziani , V. Ganci , M. D'Onofrio , E. Bon , N. Bon , A. C. Negrete This is my paper
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keywords quasarsopticalradioalongemissionmainpopulationproperties
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We analyze the optical properties of Radio-Loud quasars along the Main Sequence (MS) of quasars. A sample of 355 quasars selected on the basis of radio detection was obtained by cross-matching the FIRST survey at 20cm and the SDSS DR12 spectroscopic survey. We consider the nature of powerful emission at the high-FeII end of the MS. At variance with the classical radio-loud sources which are located in the Population B domain of the MS optical plane, we found evidence indicating a thermal origin of the radio emission of the highly accreting quasars of Population A.

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