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The Million Quasars (Milliquas) catalogue presents a new release,
v5.2, which includes just-published SDSS-DR14 and SDSS-DR14Q data. The count of type-I quasars & AGNs is now over 607,000. Milliquas now also includes ~435,000 WISE quasar candidates over the whole sky, with photometric redshifts calculated by me using the 4-colour method documented in Flesch 2015,PASA,32,10. The catalogue's total count of quasars, candidates and misc objects is just shy of 2 million.. The catalogue and ReadMe (which documents all this) are available on http://quasars.org/milliquas.htm and on NASA HEASARC at https://heasarc.gsfc.nasa.gov/W3Brow...milliquas.html and are expected to be available on VizieR soon. This may well be my last data release as SDSS DR15 is due out in July 2019, i.e. another 2 years, and I don't plan any Milliquas releases before then. Two years is a long time and maybe I won't come back to it then. But I'll post here now and again -- maybe on some controversial topic like in the old days, who knows. cheers, Eric |
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Thread | Thread Starter | Forum | Replies | Last Post |
Million Quasars v3.5 released, includes SDSS-DR10 | Eric Flesch | Research | 0 | August 15th 13 08:15 AM |
Million Quasars v2.10 released, includes SDSS-DR9 | Eric Flesch | Research | 0 | August 7th 12 12:12 PM |
Million Quasars catalog now includes SDSS-DR8 | Eric Flesch | Research | 0 | March 9th 11 08:51 AM |
ARXA and Milliquas catalogs available on-line | Eric Flesch | Research | 0 | November 24th 09 08:34 AM |
Progress on ARXA and Milliquas catalogs | Eric Flesch | Research | 0 | June 22nd 09 09:25 AM |