TY - JOUR AU - Sánchez Blázquez, Patricia AU - Gorgas García, Francisco Javier AU - Cardiel López, Nicolás AU - González, J. J. PY - 2006 DO - 10.1051/0004-6361:20064842 SN - 0004-6361 UR - https://hdl.handle.net/20.500.14352/51305 T2 - Astronomy & Astrophysics AB - This paper commences a series devoted to the study of the stellar content of early-type galaxies. The goal of the series is to set constraints on the evolutionary status of these objects. Methods. In this paper we describe the details of the galaxy... LA - eng M2 - 787 PB - EDP Sciencies KW - Spatially-Resolved Spectroscopy KW - Color-Magnitude Relations KW - Field Elliptic Galaxies KW - Intermediate-Mass Stars KW - Infrared Caii Triplet KW - Intra-Cluster Medium KW - Coma Cluster KW - Fundamental Plane KW - S0 Galaxies KW - Empirical Calibration TI - Stellar populations of early-type galaxies in different environments - I. Line-strength indices. Relations of line-strengths with sigma TY - journal article VL - 457 ER -