RT Generic T1 Estudio espectroscópico en el infrarrojo de una muestrade galaxias con formación estelar activa a z=0.8 A1 Sánchez De Miguel, Alejandro AB We present spectroscopy of 48 galaxies selected using narrow-band filter centred at Hα restframe z=0.84. This work also provide data about physical properties of this galaxies as metallicity, star formation rate relation with mass and other properties. We also study the efects of selection criteria in metallicity results publish in the literature at the moment. YR 2008 FD 2008-11-28 LK https://hdl.handle.net/20.500.14352/54528 UL https://hdl.handle.net/20.500.14352/54528 LA spa NO Máster en Astrofísca. Facultad de Ciencias Físicas. Curso 2007-2008. (This project is the Master Thesis work of A. Sánchez de Miguel, a Ph.D. student). DS Docta Complutense RD 20 mar 2026