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II/252 ==OBSOLETE version of Catalogue==
23-Sep-2005: (2nd Release replaced by 3rd Release) See B/denis
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=II/252
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drwxr-xr-x 351 cats archive 8192 Mar 25 10:13 [Up]
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-r--r--r-- 1 cats archive 12383 Sep 22 2005 ReadMe
-r--r--r-- 1 cats archive 480000 Jun 3 2003 denis.sam Beginning of ReadMe :II/252 The DENIS database, 2nd Release (DENIS Consortium, 2003)
================================================================================
Second release of DENIS data (07 April 2003)
The DENIS consortium
<The DENIS consortium (2003)>
================================================================================
ADC_Keywords: Infrared sources ; Photometry, infrared ; Surveys
Keywords: infrared: stars - Galaxy: stellar content -
stars: low-mass, brown dwarfs -
astronomical data bases: miscellaneous - surveys
Description:
This catalogue is an intermediate release of the DENIS project. It
consists of a set of 195204157 point sources detected by the DENIS
survey in 2239 strips (covering each 30 degrees in declination and 12
arcmin in right ascension). The data in this release cover
approximately 11000 square degrees of the Southern sky. Multiple
detections of single point sources have been merged in image overlaps
within individual strips, but sources can have multiple detections in
overlapping strips. The complete set of data collected by DENIS in the
period 1996-2001 will be released towards the end of 2003.
DENIS is the only astronomical survey of the Southern sky made in two
near-infrared bands (J at 1.25mum, and K_s_ at 2.15mum) and one
optical band (Gunn-i at 0.82mum), with limiting magnitudes 14.0,
16.5 and 18.5, respectively. It was conducted by a European
consortium, using the 1m telescope at ESO, La Silla (Chile).
The DENIS instrument is made up of a 3-channel camera built of
commercially available detector arrays by the Observatoire de Paris
and with major contributions from other European Institutes, notably:
the IAS in Frascati, the Observatoire de Grenoble, the University of
Innsbruck, the Observatoire de Lyon, and the IAC in Tenerife. The
survey is carried out by observing strips of 30deg in declination
and 12arcminutes in Right Ascension with an overlap of 2arcminutes
between consecutive strips. The survey started at the end of 1995 and
has been completed up to 97% in 2001. The data have been reduced at
the Institut d'Astrophysique de Paris and Observatoire de Paris. The
position of a general extracted point source is provided with an
accuracy better than 1arcsec and its magnitude to better than 0.1mag.
The Centre de Donnees Astronomiques de Strasbourg (CDS) is releasing
the final databases and provides access of the processed and
calibrated data to the worldwide community.
The principal investigator of the DENIS project is N. Epchtein
(Observatoire de la Cote d'Azur); the Co-PI in charge of data
processing is G. Simon (observatoire de Paris); J. Borsenberger and B.
de Batz, with the help of F. Tanguy, S. Begon and P. Texier, processed
the data and implemented the working data base at PDAC; S. Derriere is
in charge of the data release at CDS. Scientists and engineers from
seven European countries and from Brazil are involved in the data
qualification and analysis.