The Million Quasars (Milliquas) Catalogue, v6.4 [GA]

http://arxiv.org/abs/1912.05614


Announcing the release v6.4 of the Milliquas (Million Quasars) quasar catalogue which presents all published quasars to 11 December 2019, including SDSS-DR16. Its totals are 757,991 type-I QSOs/AGN and approx 1.1M high-confidence (80%+ likelihood) quasar candidates from SDSS-based & AllWISE photometric quasar catalogs, plus all-sky radio/X-ray associated candidates available only here. Type-II and Bl Lac objects are also included, plus candidates/galaxies with double radio lobes (so calculated), bringing the total count to 1,968,377. Gaia-DR2 astrometry is given for most objects. The catalogue is available on its home page and on NASA HEASARC.

Read this paper on arXiv…

E. Flesch
Fri, 13 Dec 19
27/75

Comments: Announcement only, 6 pages. Journal publication of Milliquas awaiting completion of SDSS-IV