A survey of UV-excess AGNs in the South Galactic Pole - A sample for the analysis of the QSO clustering

Spectra, position, magnitudes and colors are presented for 485 faint (B-J < 20.5) emission line objects selected with the ultraviolet-excess (UVX) cri terion on a area of 24.6 deg(2) in the South Galactic Pole. The objects wer e selected from the analysis of pixel-to-pixel stacking of COSMOS scans of UKST U J and R plates. The candidates were observed with the Meudon-ESO Fib er Optics System (MEFOS) at the ESO 3.6 m telescope. 429 type 1 AGNs have b een identified (373 in the redshift range 0.3 < z less than or equal to 2.2 ). This sample has allowed the measure of a difference on the QSO clusterin g evolution in comparison with that found for galaxies (La Franca et al. 19 98). The region is part of the ESO Imaging Survey (EIS) and of the 2dF QSO redshift, survey.