J/ApJ/298/544        NGC 121 BR photometry (Stryker+ 1985)
The following files can be converted to FITS (extension .fit .fiz or .fiZ)
	table1 table2
Query from: http://vizier.u-strasbg.fr/cgi-bin/VizieR?-source=J/ApJ/298/544

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Beginning of ReadMe : J/ApJ/298/544 NGC 121 BR photometry (Stryker+ 1985) ================================================================================ The main-sequence turnoff of the old SMC globular cluster NGC 121 Stryker L.L., Da Costa G.S., Mould J.R. <Astrophys. J. 298, 544 (1985)> =1985ApJ...298..544S (SIMBAD/NED BibCode) ================================================================================ ADC_Keywords: Magellanic Clouds ; Clusters, globular ; Photometry, CCD Keywords: clusters: globular - galaxies: Magellanic Clouds - stars: abundances - stars: evolution Abstract: The age of the SMC globular cluster NGC 121 is found from main-sequence isochrone fitting to be 12+/-2x10^9^yr if a distance modulus that assumes Mv=+0.6 for the field RR Lyrae variables near the cluster is used. If instead (m-M)o = 19.3, then the cluster age is 9+/-2x10^9^yr. The cluster is known to contain both RR Lyrae variables and a marginal carbon star; comparison with theoretical models indicates no significant inconsistencies in this joint occurrence at either modulus. The color-magnitude diagram for the nearby field also shows a faint, blue main-sequence turnoff and, in contrast to previous Magellanic Cloud field studies, the field lacks any evidence for the existence of a significant intermediate-age component. A new look at the chemical evolution of the Small Magellanic Cloud suggests that, unlike the Galaxy, where the rate of enrichment has been steady after the initial phase, the enrichment in the SMC remained small for a long interval before increasing rapidly sometime in the last 1-2x10^9^yr. Objects: ----------------------------------------- RA (2000) DE Designation(s) ----------------------------------------- 00 26.7 -71 31 NGC 121 -----------------------------------------