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Welcome to the XXL Master Catalogue browser
is a large international multi-wavelength survey covering two 25 deg2 areas,
the natural development of the
It is the largest XMM project approved to date.
A first batch of XXL papers appeared in a
XXL special issue
of A&A ! (see PR).
Contextually, since 15 Dec 2015 the XXL database was opened for public access.
A second batch of papers and database tables is appearing on 4 Oct 2018 in a further
XXL special issue
of A&A ! (see ESA PR).
See the "News" button for more details.
INAF IASF Milano has the responsibility
to host the XXL Master catalogue database, as already done for
This interface will allow you to access the database, once you have logged in via the
login button in the side bar. The help button gives access to
extensive help about the usage of the interface. First time users will find
initial instructions pressing the news button.
All users shall first register (i.e. select an username and
password which they will later manage) using the appropriate link in
the login form. They will become automatically members of the public workgroup, while
Consortium users will be manually added to the xxl workgroup.
The xxl workgroup will contain working XXL data
reserved for use to consortium members, while the public workgroup will
contain published data accessible to anybody.
Comments and bug reports should be addressed to:
The database DART interface exploits
general purpose software developed by the Astronomical Software Group
B. Garilli, L. Chiappetti, P. Franzetti, M. Fumana, L. Paioro, M. Scodeggio)
at INAF-IASF Milano.