Optical spectral variability of PG QSOs

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dc.creatorTrevese, D.
dc.creatorVagnetti, F.
dc.date2000-11-03
dc.date.accessioned2026-07-07T01:56:24Z
dc.date.available2026-07-07T01:56:24Z
dc.descriptionIn previous studies we have shown that the optical variability of quasars increases, on average, with redshift. We explained this dependance in terms of a hardening of the spectrum during bright phases, coupled with the increase of the rest-frame frequency for increasing redshift. We re-analize now these correlations on the basis of new light curves of PG quasars, recently published by the Wise Observatory group.
dc.description3 pages, 3 figures, Guillermo Haro Advanced Lectures on the Starburst-AGN Connection, Tonantzintla, Mexico, June 26-30 2000
dc.identifierhttps://arxiv.org/abs/astro-ph/0011076
dc.identifierhttp://arxiv.org/abs/astro-ph/0011076
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/1983
dc.subjectAstrophysics
dc.titleOptical spectral variability of PG QSOs
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