Dictionary of Nomenclature of Celestial Objects
(Last update: 05-Dec-2018)

Result of query: info cati 3XMM$

Details on Acronym:   3XMM
   3XMM Write:<<3XMM JHHMMSS.s+DDMMSS>> N: about 480000 Object:(X)  (SIMBAD class: X = X-ray source) Note:3XMM is the 6th release of the XMM-Newton X-ray source catalogue. It derives from a full reprocessing of all public XMM-Newton data up to mid-2012. The reprocessing takes advantage of several improvements in the scientific analysis, together with use of the latest calibration information. The catalogue will contain around 40% more sources than its predecessor, 2XMMi-DR3.
Previous XMM-Newton X-ray catalogues are described at http://xmmssc-www.star.le.ac.uk/Catalogue/
2009A&A...493..339W describes the 2XMM catalogue. Auth.:Simon Rosen
=E=Catalogue in electronic form as IX/44 Originof the Acronym: p = Pre-registered to IAU Comm.5

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