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We present VI-band photometry for stars in the metal-rich globular clusterNGC 6496. Our time-series data were cadenced to search for long periodvariables (LPVs) over a span of nearly two years, and our variability searchyielded the discovery of thirteen new variable stars, of which six are LPVs,two are suspected LPVs, and five are short period eclipsing binaries. Anadditional star was found in the ASAS database, and we clarify its type andperiod. We argue that all of the eclipsing binaries are field stars, while 5-6of the LPVs are members of NGC 6496. We compare the period-luminositydistribution of these LPVs with those of LPVs in the Large Magellanic Cloud and47 Tucanae, and with theoretical pulsation models. We also present a VI colormagnitude diagram, display the evolutionary states of the variables, and matchisochrones to determine a reddening of E(B-V) ~ 0.21 mag and apparent distancemodulus of ~ 15.60 mag.

Variable Stars in Metal-Rich Globular Clusters. IV. Long Period Variables in NGC 6496