Time evolution of the line emission from the inner circumstellar ring of SN 1987A and its hot spots

Per Groeningsson, Claes Fransson, Bruno Leibundgut +4

We present seven epochs between October 1999 and November 2007 of high resolution VLT/UVES echelle spectra of the ejecta-ring collision of SN 1987A. The fluxes of most of the narro…