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J/PASP/117/37 BVRI photometry in NGC 2419, Pal 4, and Pal 14 (Saha+, 2005)
The following files can be converted to FITS (extension .fit .fgz or .fiZ)
table4.dat table7.dat table10.dat
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=J/PASP/117/37
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Beginning of ReadMe :J/PASP/117/37 BVRI photometry in NGC 2419, Pal 4, and Pal 14 (Saha+, 2005)
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Faint BVRI photometric sequences in selected fields.
Saha A., Dolphin A.E., Thim F., Whitmore B.
<Publ. Astron. Soc. Pac., 117, 37-78 (2005)>
=2005PASP..117...37S
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ADC_Keywords: Photometry, UBVRI ; Clusters, globular ; Photometry, Cousins
Abstract:
The results from work done to extend the Johnson-Cousins BVRI
photometric standard sequence to faint levels of V 21mag in compact
fields is presented. Such calibration and extension of sequences is
necessary to fill a calibration gap if reliable photometry from modest
aperture telescopes in space (e.g., the Hubble Space Telescope) or
terrestrial telescopes with apertures exceeding 4m is to be done.
Sequences like the ones presented here, which cover a large range in
brightness as well as color, will allow photometric calibration to be
done efficiently and will also make such work less prone to systematic
sources of error. Photometry of stars in approximately 10'x10' fields
around three globular clusters (NGC 2419, Pal 4, and Pal 14) are
presented from data acquired over several photometric nights. In each
field, several stars are measured in B, V, R, and I passbands, with
standard errors in the mean less than 0.015mag from random errors, to
levels fainter than V=21mag.
Description:
Observations were made primarily with the WIYN 3.5m telescope at the
Kitt Peak National Observatory. In addition, our target fields and
standard stars were also observed at the WIYN 0.9m telescope at Kitt
Peak. Observations of NGC 2419, Pal 4, and Pal 14, all of which are
distant globular clusters in our galaxy and have the additional virtue
of having been observed repeatedly with the WFPC2 camera of the HST,
were made on nights that appeared to be cloudless.
Objects:
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RA (2000) DE Designation(s)
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07 38 08.5 +38 52 55 NGC 2419 = C 0734+390
11 29 16.8 +28 58 25 Pal 4 = UGCA 237
16 10 59.0 +14 57 42 Pal 14 = GCl 38
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