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Title:
Galaxies in southern bright star fields. I. Near-infrared imaging
Authors:
Baker, Andrew J.; Davies, Richard I.; Lehnert, M. D.; Thatte, N. A.; Vacca, W. D.; Hainaut, O. R.; Jarvis, M. J.; Miley, G. K.; Röttgering, H. J. A.
Affiliation:
AA(Max-Planck-Institut für extraterrestrische Physik, Postfach 1312, 85741 Garching, Germany ), AB(Max-Planck-Institut für extraterrestrische Physik, Postfach 1312, 85741 Garching, Germany ), AC(Max-Planck-Institut für extraterrestrische Physik, Postfach 1312, 85741 Garching, Germany ), AD(Max-Planck-Institut für extraterrestrische Physik, Postfach 1312, 85741 Garching, Germany ; University of Oxford Astrophysics, Keble Road, Oxford OX1 3RH, UK), AE(Max-Planck-Institut für extraterrestrische Physik, Postfach 1312, 85741 Garching, Germany ), AF(European Southern Observatory, Alonso de Cordova 3107, Casilla 19001, Vitacura, Santiago, Chile ), AG(University of Oxford Astrophysics, Keble Road, Oxford OX1 3RH, UK ; Sterrewacht Leiden, Postbus 9513, 2300 RA Leiden, The Netherlands ), AH(Sterrewacht Leiden, Postbus 9513, 2300 RA Leiden, The Netherlands ), AI(Sterrewacht Leiden, Postbus 9513, 2300 RA Leiden, The Netherlands )
Publication:
Astronomy and Astrophysics, v.406, p.593-601 (2003) (A&A Homepage)
Publication Date:
08/2003
Origin:
A&A
A&A Keywords:
instrumentation: adaptive optics, galaxies: photometry, infrared: galaxies, infrared: stars
DOI:
10.1051/0004-6361:20030812
Bibliographic Code:
2003A&A...406..593B

Abstract

As a prerequisite for cosmological studies using adaptive optics techniques, we have begun to identify and characterize faint sources in the vicinity of bright stars at high Galactic latitudes. The initial phase of this work has been a program of Ks imaging conducted with SOFI at the ESO NTT. From observations of 42 southern fields evenly divided between the spring and autumn skies, we have identified 391 additional stars and 1589 galaxies lying at separations Delta theta <= 60arcsec from candidate guide stars in the magnitude range 9.0 <= R <= 12.4. When analyzed as a ``discrete deep field'' with 131 arcmin2 area, our dataset gives galaxy number counts that agree with those derived previously over the range 16 <= Ks < 20.5. This consistency indicates that in the aggregate, our fields should be suitable for future statistical studies. We provide our source catalogue as a resource for users of large telescopes in the southern hemisphere.

Based on observations obtained at the European Southern Observatory, Chile, for programmes 66.A-0361 and 68.A-0440.

The entirety of Table \ref{t-src} is only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/406/593}

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