All Tables

Table 1: Observation log of NGC 6253.
Table 2: Data for NGC 6253. ID $_{\rm {B97}}$ and BV photometry (non corrected for reddening) are from Bragaglia et al. (1997) except for star 105495, see text; we also report ID $_{\rm {EIS}}$ , used through out the paper, and a cross-identification with Twarog et al. (2003). The number of exposures for each star is intended as a number of pointings with the same cross-disperser.
Table 4: Stellar parameters and Fe abundances for stars in NGC 6253. Numbers in parenthesis in Col. 6 are [Fe/H] estimated by spectral synthesis.
Table 5: Sensitivities of abundances ( $\log n$ (X)) to variations in the atmospheric parameters for TO and clump stars in NGC 6253.
Table 6: Elemental ratios ([X/H]) for stars in NGC 6253: Si, Ca, Ti, Cr, Ni, and Ba. Errors are the rms $\sigma _1$ - due to EW uncertainties - on [X/H]. The solar abundances we found are also shown ( $\log n$ (X) $_{\odot }$ ).
Table 7: [X/Fe] abundances and averages. Errors are the quadratic sum of $\sigma _1$ on [X/H] and on [X/Fe].
Table 8: Abundances of Mg and Na (LTE and non-LTE) computed for each line adopted.