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19 April 2024

» arxiv » astro-ph/0509142

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Do observed metallicity gradients of early-type galaxies support a hybrid formation scenario?
Ricardo L. C. Ogando ; Marcio A. G. Maia ; Cristina Chiappini ; Paulo S. S. Pellegrini ; Ricardo P. Schiavon ; Luiz N. da Costa ;
Date:	6 Sep 2005
Subject:	astro-ph
Affiliation:	2 and 3), Cristina Chiappini , Paulo S. S. Pellegrini (2 and 3), Ricardo P. Schiavon and Luiz N. da Costa (2 and 6) ( IF/UFRJ, ON/MCT, OV/UFRJ, OAT/INAF, DA/UVA, ESO
Abstract:	We measure radial gradients of the Mg2 index in 15 E-E/S0 and 14 S0 galaxies. Our homogeneous data set covers a large range of internal stellar velocity dispersions (2.0
Source:	arXiv, astro-ph/0509142
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