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Astron. Astrophys. 349, 236-242 (1999)


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A preliminary database of DENIS point sources *

N. Epchtein 1, E. Deul 2, S. Derriere 3, J. Borsenberger 4, D. Egret 3, G. Simon 5, C. Alard 5, L.G. Balázs 18, B. de Batz 5, M.-R. Cioni 2, E. Copet 6, M. Dennefeld 4, T. Forveille 9, P. Fouqué 6,10, F. Garzón 11, H.J. Habing 2, A. Holl 18, J. Hron 12, S. Kimeswenger 13, F. Lacombe 6, T. Le Bertre 7, C. Loup 4, G.A. Mamon 4,8, A. Omont 4, G. Paturel 14, P. Persi 15, A.C. Robin 16, D. Rouan 6, D. Tiphène 6, I. Vauglin 14 and S.J. Wagner 17

1 Observatoire de la Côte d'Azur, Département Fresnel, F-06304 Nice Cedex, France
2 Leiden Observatory, University of Leiden, P.O. Box 9513, 2300 RA Leiden, The Netherlands
3 CDS, Observatoire astronomique de Strasbourg, UMR 7550, 11 rue de l'Université, F-67000 Strasbourg, France
4 IAP, Institut d'Astrophysique de Paris, 98 bis Bd. Arago, F-75014 Paris, France
5 DASGAL, Observatoire de Paris, 61 avenue de l'Observatoire, F-75014 Paris, France
6 DESPA, Observatoire de Paris, 5 place J. Janssen, F-92195 Meudon Cedex, France
7 DEMIRM, Observatoire de Paris, 5 place J. Janssen, F-92195 Meudon Cedex, France
8 DAEC, Observatoire de Paris, 5 place J. Janssen, F-92195 Meudon Cedex, France
9 Observatoire de Grenoble, 414 rue de la Piscine, Domaine Universitaire de Saint Martin d'Hères, F-38041 Grenoble, France
10 European Southern Observatory, ESO, La Silla, Chile
11 Instituto de Astrofisica de Canarias, E-38200 La Laguna, Tenerife, Spain
12 Institut für Astronomie der Universität Wien, Türkenschanzstrasse 17, A-1180 Wien, Austria
13 Institut für Astronomie, Innsbruck University, A-6020 Innsbruck, Austria
14 CRAL, Observatoire de Lyon, F-69561 Saint-Genis Laval Cedex, France
15 Istituto di Astrofisica Spaziale, CNR, Area di Ricerca Roma-Tor-Vergata, Italy
16 Observatoire de Besançon, B.P. 1615, F-25010 Besançon Cedex, France
17 Landessternwarte Heidelberg, Königstuhl, D-69117 Heidelberg, Germany
18 Konkoly Observatory, Box 67, H-1525 Budapest, Hungary

Received 17 June 1999 / Accepted 21 June 1999

Abstract

This paper announces the release at CDS of a substantial set of point sources detected by the DENIS project. DENIS is the first astronomical survey of the Southern sky in two near-infrared bands (J at 1.25 µm, and [FORMULA] at [FORMULA]m) and one optical band (Gunn-i at 0.82 µm), conducted by a European consortium, using the 1m telescope at ESO, La Silla (Chile).

The first data release, described here, consists of a preliminary set of about 17 million extracted point sources, corresponding to 102 strips (2% of the Southern sky), and resulting from observations performed in 1996.

Data are available through a World-Wide Web server at the CDS (Strasbourg astronomical Data Center):

http://cdsweb.u-strasbg.fr/denis.html.

Key words: infrared: stars – Galaxy: stellar content – stars: low-mass, brown dwarfs – astronomical data bases: miscellaneous – surveys

* Based upon observations collected at the European Southern Observatory, La Silla, Chile

Send offprint requests to: S. Derriere

Correspondence to: denis@simbad.u-strasbg.fr

© European Southern Observatory (ESO) 1999

Online publication: August 25, 1999

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