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X-ray surveys with advanced multi-wavelength cross-identification methods

Venue: Paris, in the premises of University Paris Diderot

Dates: Nov. 30 - Dec 2, 2015


Programme - Abstracts - Attendees - Presentations


Executive summary:

The workshop took place in Paris on Nov. 30 - Dec. 2, 2015. It gathered 45 experts from Europe, USA, Japan and South Africa.
This event aimed at presenting the main scientific issues addressed by large scale X-ray surveys carried out at high and low galactic latitudes and at discussing the cross-correlation methods and spectral energy distribution (SED) building tools that are essential to make best use of the fast-growing production of multi-wavelength archival data.

The FP7 funded ARCHES project has developed advanced probabilistic multi-catalogue cross-correlation methods applicable to both unresolved and extended sources. Although these tools were originally meant to study the spectral energy distribution of X-ray sources, they are designed to handle any kind of multi-catalogue studies. These tools have already been used to build the SEDs of selected 3XMM DR5 sources that will be made available soon to the community.

The workshop consisted of 5 sessions, focused around the three science demonstration themes of the ARCHES project, i.e. X-ray surveys of AGN, clusters of galaxies and the Milky Way/galactic plane, with introductory reviews and contributed talks in each session. Results from exploratory science cases investigated in the framework of ARCHES were also be presented.

A session was devoted to a discussion of the methods currently available and of some of the technicalities involved in the simultaneous statistical cross-correlation of several catalogues. The integrated cluster finder which aims at detecting clusters of galaxies using both X-ray and optical/infrared data was also presented.


Scientific Organising Committee:

Francisco J.Carrera, Universidad de Cantabria, Spain.

Françoise Genova, CDS, Observatoire Astronomique de Strasbourg, University of Strasbourg, France.

Enrique Solano Marquez, Observatorio Virtual Español, Centro de Astrobiologia, Madrid, Spain.

Christian Motch, SSC, Observatoire Astronomique de Strasbourg, University of Strasbourg, France.

Simon Rosen, University of Leicester, Department of Physics and Astronomy, UK.

Axel Schwope, Leibniz Institut für Astrophysik, Potsdam, Germany.

Mike Watson, University of Leicester, Department of Physics and Astronomy, UK.