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astro-ph1996
The optical variability of QSOs. II. The wavelength dependence
S. Cristiani, S. Trentini, F. La Franca +1
The long-term variability of a sample of 149 optically selected QSOs in the field of the Selected Area 94 has been studied in the R-band. The relations between variability and lumi…
astro-ph1996
MM Observations of IRAS Galaxies: Dust Properties, Luminosity Functions and Contributions to the Sub-MM Background
P. Andreani, A. Franceschini
We have studied the FIR/{\it mm} spectrum of IR galaxies by combining IRAS photometry with new {\it mm} data on a complete southern IRAS galaxy sample. The observed spectra and a d…