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19 April 2024

» arxiv » astro-ph/0209340

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The puzzlingly small CaII triplet absorption in elliptical galaxies
R.P. Saglia ; Claudia Maraston ; Daniel Thomas ; Ralf Bender ; Matthew Colless ;
Date:	17 Sep 2002
Journal:	Astrophys.J. 579 (2002) L13-L16
Subject:	astro-ph
Abstract:	We measure the central values (within Re/8) of the CaII triplet line indices CaT* and CaT and the Paschen index PaT at 8600 AA for a 93%-complete sample of 75 nearby early-type galaxies with BT<12 and Vgal<2490 km/s. We find that the values of CaT* are constant to within 5% over the range of central velocity dispersions 100
Source:	arXiv, astro-ph/0209340
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