Identification of emission lines in the low-ionization strontium filament near Eta Carinae H. Hartman, T. Gull, S. Johansson, N. Smith and HST Eta Carinae Treasury Project Team A&A, 419 1 (2004) 215-224 Published online: 23 April 2004 DOI: 10.1051/0004-6361:20035647