Based on observations collected at the ESO 8.2-m VLT-UT1 Antu telescope (programs 072.B-0335, 072.C-0335, 066.C-0015, and 063.I-0097).

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IJHKsL' images (FITS files) are 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/470/231

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The $\it IJHK{\rm s}L'$ images are available at the Centre de Données Astronomiques de Strasbourg (CDS).

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