========================================================================== J/A+A/447/473 RICNTiO photometry of DDO190 carbon stars (Battinelli+, 2006) The following files can be converted to FITS (extension .fit .fgz or .fiZ) table2.dat ========================================================================== Query from: http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=J/A+A/447/473 ==========================================================================
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Beginning of ReadMe : J/A+A/447/473 R I CN TiO photometry of DDO190 carbon stars (Battinelli+, 2006) ================================================================================ The C star population of DDO 190. Battinelli P., Demers S. <Astron. Astrophys. 447, 473 (2006)> =2006A&A...447..473B ================================================================================ ADC_Keywords: Galaxies, peculiar ; Photometry, CCD ; Stars, carbon Keywords: galaxies: individual: DDO 190 - galaxies: dwarf - stars: carbon - stars: AGB and post-AGB - galaxies: fundamental Abstract: We have carried out deep R, I, CN, TiO observations of the dwarf irregular galaxy DDO 190. We confirm the existence intermediate-age population around this galaxy. The identification of 47 carbon stars seen up to 5 arcmin from the centre of the galaxy implies that the population distribution of DDO 190 is similar to those found in some other Local Group dIrr galaxies. An estimate of the metallicity, [Fe/H]=-1.55+/-0.12, is obtained based on the observed C/M ratio. From the analysis of star counts, corrected for the radial variation of the incompleteness level, we determine a scale-length alpha=40+/-5", in agreement with the recent literature. Description: We list the coordinates, the apparent I magnitude, (R-I) and (CN-TiO) colour indices of 47 carbon stars identified in DDO 190. The observations were obtained with the DOLORES camera attached to the TNG.
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