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We searched for the presence of extended emission-line regions (EELRs) aroundlow-redshift QSOs. We observed a sample of 20 mainly radio-quiet low-redshiftquasars (z<0.3) by means of integral field spectroscopy. After decomposing theextended and nuclear emission components, we constructed [OIII] 5007narrow-band images of the EELR to measure the total flux. From the same data weobtained high S/N (>50) nuclear spectra to measure properties such as[OIII]/Hbeta flux ratios, FeII equivalent widths and Hbeta line widths. Asignificant fraction of the quasars (8/20) show a luminous EELR, with detectedlinear sizes of several kpc. Whether or not a QSO has a luminous EELR isstrongly related with nuclear properties, in the sense that an EELR wasdetected in objects with low FeII equivalent width and large Hbeta FWHM. TheEELRs were detected preferentially in QSOs with larger black hole masses. Thereis no discernible relation, however, between EELR detection and QSO luminosityand Eddington ratio.

Extended emission-line regions in low-redshift quasars: Dependence on nuclear spectral properties