This edition includes 618,837 type-I QSOs & AGNs plus about 1.32 million quasar candidates of 80%+ QSO-likelihood -- details are in the ReadMe. Radio and/or X-ray identifications are shown where applicable, plus, for the candidates, the probability of each being a true quasar.
Here is the ReadMe, and a quick browse of sample data (in flat text form) is here.
Get the 60 Mb zipped file here .
The published version is the Half Million Quasars catalog (HMQ: 2015, PASA 32, 10) which excludes candidates and is to 2015 only. The HMQ page is here -- has FITS file also.
Eric Flesch, last updated 17 October 2018