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GSFC XMM-Newton GOF Status Report #391: XMM-NEWTON NEWS #246


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  • Subject: GSFC XMM-Newton GOF Status Report #391: XMM-NEWTON NEWS #246
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  • Date: Wed, 18 Aug 2021 13:17:11 +0000
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  • Thread-topic: 391: XMM-NEWTON NEWS #246

News #246, 18 August 2021

CONTENTS

New versions of the XMM-Newton Serendipitous Source Catalogues:
4XMM-DR11 and 4XMM-DR11s

NEWS


   New versions of the XMM-Newton Serendipitous Source Catalogues:
   4XMM-DR11 and 4XMM-DR11s


A new version of the XMM-Newton EPIC Serendipitous Source Catalogue,
4XMM-DR11, is being released by the XMM-Newton Survey Science Centre (XMM-SSC)
in collaboration with the SOC. This version includes an extra year of data
with respect to 4XMM-DR10. 4XMM-DR11 includes 895415 X-ray detections which
relate to 602543 unique X-ray sources from 12210 observations that were public
by the 31st December 2020. 4XMM-DR11 covers a total sky area, with at least 1
ks exposure, of 1239 square degrees if overlaps are taken into account, where
some regions of the sky have been pointed as many as 80 times. Around 13% of
all the detections are classified as extended, and spectra and time series
have been extracted for 36% of the detections. The median positional
uncertainty of the catalogue detections is 1.57 arcseconds (with a standard
deviation of 1.43). Median fluxes in the catalogue are ~5.2E-15 and ~1.2E-14
erg/cm2/s in the soft (0.2-2 keV) and hard (2-12 keV) X-ray band,
respectively.

With 4XMM-DR11, we release 4XMM-DR11s, the catalogue version created from
overlapping observations. Stacking observations provides longer effective
exposure times, resulting in better source parameters and higher sensitivity.
4XMM-DR11s is built from 1475 groups with 8292 observations. Most of the
stacks are composed of 2 observations and the largest has 357. The catalogue
contains 358809 sources, of which 275440 have several contributing
observations. It reaches a median flux of ~3.3E-15 and ~1.1E-14 erg/cm2/s in
the soft (0.2-2 keV) and hard (2-12 keV) X-ray band, respectively. 8587 good
quality sources are variable on the long term.

The detection catalogue is described in the paper Webb et al. (2020) and the
stacked catalogue is further described in Traulsen et al. (2020). Details of
the catalogue, the catalogue files and full 4XMM documentation are available
on the XMM-SSC webpages at

https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fxmmssc.irap.omp.eu%2FCatalogue%2F4XMM-DR11%2F4XMM_DR11.html&amp;data=04%7C01%7Cxmmnews%40lists.nasa.gov%7C701c3eb0139c48f8062208d9624a7d30%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637648894321257023%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=ETOJa23e4fAqx072I9iDRK2VHQyF4Q41yvzClwiIuJg%3D&amp;reserved=0

and

https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fxmmssc.aip.de%2Fcms%2Fcatalogues%2Fcatalogue-4xmm-dr11s&amp;data=04%7C01%7Cxmmnews%40lists.nasa.gov%7C701c3eb0139c48f8062208d9624a7d30%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637648894321266980%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=%2Ba1l5wy6a%2FKP0dRz26XZk8YZeQ9koAU9CGwwPG%2B%2BSmE%3D&amp;reserved=0

FITS files containing summary information about the observations used in the
catalogue are also provided. FITS and CSV versions of the full 4XMM catalogue
and a slimline version of the FITS file are also available for download at

https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.cosmos.esa.int%2Fweb%2Fxmm-newton%2Fxsa&amp;data=04%7C01%7Cxmmnews%40lists.nasa.gov%7C701c3eb0139c48f8062208d9624a7d30%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637648894321266980%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=7VFeDK%2F6SKjIRWvcLFEibfKYSK6Mt30FLNwKyBLnoFo%3D&amp;reserved=0

The slimline version of 4XMM-DR11 has only one row per unique source (rather
than per detection as in the main catalogue) and a reduced number of columns
that essentially pertain to the unique source quantities.

Alongside the XSA user interface, 4XMM is also distributed through:

XCATDB: https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fxcatdb.unistra.fr%2F4xmmdr11&amp;data=04%7C01%7Cxmmnews%40lists.nasa.gov%7C701c3eb0139c48f8062208d9624a7d30%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637648894321266980%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=pZnZRpE31Gupf7E3UVe7gYvYhc5yq%2FDSjMouo9RyKOA%3D&amp;reserved=0

HEASARC: http://heasarc.gsfc.nasa.gov/W3Browse/xmm-newton/xmmssc.htm

IRAP: https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fxmm-catalog.irap.omp.eu%2F&amp;data=04%7C01%7Cxmmnews%40lists.nasa.gov%7C701c3eb0139c48f8062208d9624a7d30%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637648894321266980%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=BNgqEt1lGchWoPpBxH15SU0Sa94B%2FSB%2BHTE3ze0UNAA%3D&amp;reserved=0

XMM-Newton Science Operations Centre at
ESA's European Space Astronomy Centre,
Villanueva de la Cañada, Madrid, Spain

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