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XMM-Newton Science Archive (XSA)

Due to a planned migration of the XMM-Newton SOC web portal, all SOC internet services (including ToO Alerts) will be unavailable Wednesday, 10 February from 10:00 to 13:00 (GMT).


Web Interface access to XMM-Newton Data and Source Catalogues

Search the XMM-Newton Science Archive (XSA)

Direct access to the XSA data through the Archive InterOperability System (AIO):

AIO tool for direct access to the XSA database

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FLIX Upper limit and image cut-out
from XMM-Newton Serendipitous Source Catalogue images
Tool provided by the XMM-Newton Survey Science Centre (SSC), available via LEDAS.
"Upper Limit Server" for XMM-Newton pointed and slew observations Tool to calculate the maximum count rate and flux which could be produced by a source at the input position in a given image. See the User Guide.

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Download Full XMM-Newton Catalogues

Alongside all XMM-Newton scientific data products and observation-related information, high-level catalogues and
a multiwavelength datasets can be accessed through the XSA user interface or downloaded from the links below:

3XMM-DR5 XMM-Newton
Serendipitous Source Catalogue
Download the FITS table
Download the CSV table
Documentation and watchouts
(by the SSC consortium)
Slim version of the
3XMM-DR5 catalogue
Download the FITS table
Download the CSV table
Documentation and watchouts
(by the SSC consortium)
The XMM-Newton Slew Survey
XMMSL1_Delta6 Source Catalogue
Download the FITS table (FULL)
Download the FITS table (CLEAN)
XMM-Newton OM Serendipitous Ultra-violet
Source Survey Catalogue (XMM-SUSS2.1)
Download the FITS table
Download the FITS table (SLIM version)
XID program WFC/INT images   Documentation
(Maintained by the SSC consortium)

Alongside the XSA user interface, 3XMM-DR5 is also available at:
Please note, revised source lists with respect to those generated by the pipeline (PPS) and distributed by the XSA, have been used to produce 3XMM-DR5. This was done to correct for the erroneous errors in 3XMM-DR4. These revised source lists are not distributed by the XSA, but they can be found here. The cross-correlation products of potential counterparts at other wavelengths for 3XMM-DR5 are provided through the XCAT-DB and the IRAP catalogue server.

Previous versions of the XMM-Newton Serendipitous Source Catalogue can be found here.

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XMM-Newton Science Data Products Guide A short guide to XMM-Newton science data products.
Data Quality Process for XMM-Newton Data A description of the "Data Quality Process" applied to XMM-Newton Data and the "Data Quality Report" available for each observation.

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  • Search on a file with a list of names or positions is currently limited to about 1000 entries. A possible workaround to perform a search on a larger list is to use TOPCAT or CDS Xmatch to cross-match your list with the complete list of XMM-Newton observed positions. This list can be downloaded from XSA (with no constrain), from Vizier or from the XSA observations log.

  • In order to know if an EPIC PPS source was also detected in OM you can follow these steps:
    1. Search for your object or list of objects "in a Circle" with a small radius (for instance 5 arcsec),
    2. In the "Display" panel select "EPIC PPS sources" and "OM PPS Sources" and Submit,
    3. In the results panel there will be two tables, "EPIC PPS Sources" and "OM PPS Sources", that you can compare.

  • Since the release of the web based XSAv8.0 in July 2013 new AIO client files need to be downloaded in order to get command line access to the XMM-Newton data. The previous XSA v7.2 java interface and the associated old AIO client files have been discontinued.

  • The old Postcard server, which did not provide access to the new and reprocessed data, has also been discontinued. The old postcard links can be replaced by direct links to the observations, e.g.

  • The observations performed in mosaic mode have a global Observation Data File (ODF) which is also split into 'pseudo ODFs' (see Chapter 2 of the Data Files Handbook).
    The ObsID of all 'pseudo ODFs' belonging to a mosaic have the first 8 digits in common (e.g. 06730001). Split 'pseudo ODFs' can be recognised because the last two digits of their ObsIDs are not 01 but 31, 32, 33, etc. (e.g. 0673000131, 0673000132 etc). Note that the data (i.e. the X-ray events) of the 'pseudo ODF' subsets is extracted from the global ODF (i.e. the same data for the sky area covered in the pseudo ODF). Pseudo ODF subsets should therefore never be combined or merged with the global ODF.

  • For some split mosaics the XSA contains ODF/PPS versions more recently generated than those used for the 3XMM-DR5 catalogue compilation.

  • The on-the-fly data processing functionality has not yet been implemented.

Notes on the XSA releases

XSA version 8.7:

The XSA v8.7, released on 3 December 2015, includes among other improvements and bugs fixed, the following:
  • OM exposures with a FAST mode window can now be searched by selecting FAST or IMAGE + FAST in the "Instrument Configuration" option of the Search panel. They can be identified in the OM Exposures tab in the results panel.
  • Options to make selections by Instrument Mode or Filter were added to the command line access to the data (AIO).
  • Non-processed Slew observation are now also shown in the results panel.
XSA version 8.6:

The XSA v8.6, released on 10 Aug 2015, includes among other improvements, the following:
  • Download of PPS products (images, spectra, light curves, etc) now includes the corresponding FITS files, besides PDF and PNG files.
  • Added new "direct download" options for OM/EPIC PPS and catalogue sources.
  • Solved the issue preventing the users to send proprietary data to VO tools like Aladin or TOPCAT.
  • A bug in the "change password" functionality has been fixed.
XSA version 8.5:

The XSA v8.5, released on 27 May 2015, includes among other improvements, the following:
  • new columns (mainly error columns) are now available in the results panels.
  • a bug in sending results to TOPCAT has been fixed.
  • a bug in "Launch the SAMP Hub" from XSA image postcards has been fixed.
XSA version 8.4:

The XSA v8.4, released on 28 April 2015, includes among other improvements, the following:
  • access to the new incremental EPIC (3XMM-DR5) catalogue.
  • access to the new incremental OM (XMM-SUSSv2.1) catalogue.
  • two new types of file searches: on a file with a list of galactic coordinates and on a file with a list of Observations IDs.
  • the possibility to save/print the selected, visible columns, not all of them as before.
  • the possibility to remain signed in.
  • perform the search on a list of objects even if a name or coordinate fails the verification.
XSA version 8.3:

The XSA v8.3, released on 4 December 2014, includes, among others, the following improvements:
  • search by "File" is now possible for up to 1000 names or positions (in previous XSA versions this was limited to about 400 entries).
  • the Mosaic ODF sub-sets are now searchable by coordinates.
  • a major update of publications associated to each observation has been implemented.
XSA version 8.2:

The XSA v8.2, released on 27 February 2014, provides for the first time access to two new versions of catalogues: the incremental XMMSL1_Delta6 and the XMM-SUSS2. It also provides access to new mosaic ODF subsets generated in 2014, and continues giving access, as earlier XSA v8 versions, to the 3XMM-DR4 and to all XMM-Newton ODF and PPS files, either routinely processed since July 2013, or earlier data reprocessed in 2013.

XSA version 8.0:

The XSA v8.0, released on 23 July 2013, offered for the first time a web based interface to the XMM-Newton Science Archive. The XSA was fully re-engineered also greatly improving the search speed.

Since v8.0 of the XSA access is provided to all XMM-Newton data including the fully reprocessed PPS products, and the 3XMM-DR4 catalogue.

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Questions, Comments

If you have questions about the XMM-Newton Science Archive please contact us via the XMM-Newton Helpdesk

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This page was last updated on 2 July, 2014.