Abstract
A critical discussion of some determinations of metal abundance gradient in the galactic disc is presented with an attempt to homogenize the results related to local and large-scale gradients. A new estimation of the palaeogradient in intermediate and old disc population is presented. The gradient is found to depend on galactocentric distance, and to be nearly constant with time during the lifetime of the galactic disc.
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Grenon, M. Past and present metal abundance gradient in the galactic disc. J Astrophys Astron 8, 123–139 (1987). https://doi.org/10.1007/BF02714310
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DOI: https://doi.org/10.1007/BF02714310