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astro-ph1995
The Optical Variability of QSO's
S. Cristiani, S. Trentini, F. La Franca +4
The long-term variability of a sample of 486 optically selected QSOs in the fields of the SA94, SA57 and SGP has been studied. The relations of variability with luminosity and reds…
astro-ph1995★ 1 cited
The ESO Key-Programme ``A Homogeneous Bright QSO Survey'' - I The Methods and the ``Deep'' Fields
S. Cristiani, F. La Franca, P. Andreani +13
This is the first paper in a series aimed at defining a statistically significant sample of QSOs in the range and . The selection is carried out u…
astro-ph1995
CO, HI and cold dust in a sample of IRAS galaxies
Paola Andreani, Fabienne Casoli, Maryvonne Gerin
Using IRAM 30m, SEST 15m, and Nancay radiotelescopes, we have gathered the 1mm continuum emission, spectra of the J=1--0 CO line and of the HI line at 21cm for two samples of IRAS…