Listar por tema "ISM: evolution"
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Ages and metallicities of circumnuclear star formation regions from Gemini IFU observations
(2008) [Artículo de periódico]Aims. We derive the age and metallicity of circumnuclear star formation regions (CNSFRs) located in the spiral galaxies NGC6951 and NGC1097 and investigate the cause of the very low equivalent widths of emission lines found ...