机译:Darth Fader: Using wavelets to obtain accurate redshifts of spectra at very low signal-to-noise
University College London, Department of Physics & Astronomy, Kathleen Lonsdale Building, Gower Place, WC1E 6BT London, UK;
CEA Saclay, IRFU, Service d'Astrophysique, Bt 709 - Orme des Merisiers, 91191 Gif-Sur-Yvette Cedex, Franceff;
methods: data analysis; techniques: spectroscopic; galaxies: distances and redshifts; surveys;