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Astron. Astrophys. 345, 448-460 (1999)

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ESO imaging survey

III. Multicolor data near the South Galactic Pole

I. Prandoni 1,2, R. Wichmann 1,3, L. da Costa 1, C. Benoist 1,4, R. Méndez 1,5, M. Nonino 1,6, L.F. Olsen 1,7, A. Wicenec 1, S. Zaggia 1,8, E. Bertin 1,9,10, E. Deul 1,9, T. Erben 1,11, M.D. Guarnieri 1,12, I. Hook 1, R. Hook 13, M. Scodeggio 1 and R. Slijkhuis 1,9

1 European Southern Observatory, Karl-Schwarzschild-Strasse 2, D-85748 Garching bei München, Germany
2 Istituto di Radioastronomia del CNR, Via Gobetti 101, I-40129 Bologna, Italy
3 IUCAA, Post Bag 4, Ganeshkhind, Pune 411007, India
4 DAEC, Observatoire de Paris-Meudon, 5 Pl. J. Janssen, F-92195 Meudon Cedex, France
5 Cerro Tololo Inter-American Observatory, Casilla 603, La Serena, Chile
6 Osservatorio Astronomico di Trieste, Via G.B. Tiepolo 11, I-31144 Trieste, Italy
7 Astronomisk Observatorium, Juliane Maries Vej 30, DK-2100 Copenhagen, Denmark
8 Osservatorio Astronomico di Capodimonte, Via Moiariello 15, I-80131 Napoli, Italy
9 Leiden Observatory, P.O. Box 9513, 2300 RA Leiden, The Netherlands
10 Institut d'Astrophysique de Paris, 98bis Bd Arago, F-75014 Paris, France
11 Max-Planck-Institut für Astrophysik, Postfach 1523, D-85748 Garching bei München, Germany
12 Osservatorio Astronomico di Pino Torinese, Strada Osservatorio 20, I-10025 Torino, Italy
13 Space Telescope - European Coordinating Facility, Karl-Schwarzschild-Strasse 2, D-85748 Garching bei München, Germany

Received 17 July 1998 / Accepted 16 December 1998


This paper presents multicolor data obtained for a 1.7 square degree region near the South Galactic Pole (patch B) as part of the ESO Imaging Survey (EIS). So far the observations have been conducted in [FORMULA] and I, but are expected to be complemented by observations in the U-band later in 1998. Object catalogs extracted from single exposure images are 80% complete down to [FORMULA], [FORMULA] and [FORMULA], and once co-added should reach about 0.5 mag deeper. The data are being made public in the form of catalogs, pixel maps, target lists and image "postage stamps", which can be retrieved from the Web. Counts of stars and galaxies and the angular two-point correlation function of galaxies are computed and compared to other available data to evaluate the depth and uniformity of the extracted object catalogs. In addition, color distributions of stellar objects are presented and compared to model predictions to examine the reliability of the colors. The results suggest that the overall quality of the catalogs extracted from the images is good and suitable for the science goals of the survey.

Key words: catalogs – surveys – stars: statistics – galaxies: statistics

Send offprint requests to: L. da Costa

© European Southern Observatory (ESO) 1999

Online publication: April 19, 1999