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Title:
Faint UBVRI CCD sequences for wide-field surveys - II. UBVR sequences at δ=-30°
Authors:
Croom, Scott M.; Ratcliffe, A.; Parker, Q. A.; Shanks, T.; Boyle, B. J.; Smith, R. J.
Affiliation:
AA(Physics Department, University of Durham, South Road, Durham DH1 3LE), AB(Physics Department, University of Durham, South Road, Durham DH1 3LE), AC(Anglo-Australian Observatory, Coonabarabran, NSW 2357, Australia), AD(Physics Department, University of Durham, South Road, Durham DH1 3LE), AE(Anglo-Australian Observatory, PO Box 296, Epping, NSW 2121, Australia), AF(Institute of Astronomy, Madingley Road, Cambridge CB3 0HA)
Publication:
Monthly Notices of the Royal Astronomical Society, Volume 306, Issue 3, pp. 592-598. (MNRAS Homepage)
Publication Date:
07/1999
Origin:
MNRAS
DOI:
10.1046/j.1365-8711.1999.02560.x
Bibliographic Code:
1999MNRAS.306..592C

Abstract

We present results from a continuing campaign to secure deep multi-colour CCD sequences for photometric calibration in UK Schmidt fields with galactic latitudes |b|>50°. In this paper we present UBVR photometry in 12 fields and BR photometry in a further 14 fields observed within UK Schmidt survey fields centred at δ=-30°. Photometric errors are at the 0.05 level at 20.2, 21, 20.5 and 20mag for UBVR sequences respectively. Our observations were carried out with the 0.9-m telescope at the Cerro-Tololo Inter-American Observatory. These data are not intended for use as highly accurate individual photometric standards, but rather for use as sequences, using a large number of stars to calibrate wide-area data such as photographic plates. The data are available electronically at <externallink type="url">http://icstar5.ph.ic.ac.uk/~scroom/phot/photom.html</A>.

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