Spectral Variability of QSOs in the Optical Band

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dc.creatorTrevese, Dario
dc.creatorVagnetti, Fausto
dc.date2000-07-12
dc.date.accessioned2026-07-07T01:54:22Z
dc.date.available2026-07-07T01:54:22Z
dc.descriptionA new analysis of the variability of the spectral slope of PG QSOs has been performed, on the basis of recent literature data in the B and R photometric bands. Preliminary results confirm our previous findings concerning the increase of variability with the rest-frame observing frequency. We also find a correlation of the spectral slope with luminosity, consistent with temperature changes of an emitting black body.
dc.description3 pages, 2 figures, proc. 4th Italian Meeting on AGN "AGN nel 2000", Trieste, May 15-18, 2000, to be published in Mem. SAIt
dc.identifierhttps://arxiv.org/abs/astro-ph/0007161
dc.identifierhttp://arxiv.org/abs/astro-ph/0007161
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/1321
dc.subjectAstrophysics
dc.titleSpectral Variability of QSOs in the Optical Band
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