/ftp/cats/J_other/PASP/119/1233



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J/PASP/119/1233     BV photometry of M11 stars               (Koo+, 2007)
The following files can be converted to FITS (extension .fit or fit.gz)
	catalog.dat
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=J/PASP/119/1233
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Beginning of ReadMe : J/PASP/119/1233 BV photometry of M11 stars (Koo+, 2007) ================================================================================ Variable stars in the open cluster M 11 (NGC 6705). Koo J.-R., Kim S.-L., Rey S.-C., Lee C.-U., Kim Y.H., Kang Y.B., Jeon Y.-B. <Publ. Astron. Soc. Pac., 119, 1233-1246 (2007)> =2007PASP..119.1233K ================================================================================ ADC_Keywords: Clusters, open ; Photometry, UBV Abstract: V-band time-series CCD photometric observations of the intermediate-age open cluster M11 were performed to search for variable stars. Description: We carried out time-series observations of M11 on 18 nights in 2004 June using a CCD camera attached to the LOAO 1.0m telescope in Arizona. A total of 1001 time-series images, i.e., 406 images with a long exposure of 600s and 595 images with a short exposure of 60s, were obtained with a V-band filter to secure faint objects, as well as bright ones. For the purpose of constructing a BV color-magnitude diagram of M11, additional B-band observations were made on one night of 2004 October: two frames with exposure times of 1000 and 100s.