Evolution of the Radio Remnant of SN 1987A: 1990-2001
Evolution of the Radio Remnant of SN 1987A: 1990-2001
Abstract The development of the radio remnant of SN 1987A has been followed using the Australia Telescope Compact Array since its first detection in 1990 August. The remnant has been observed at four frequencies, 1.4, 2.4, 4.8, and 8.6 GHz, at intervals of 4–6 weeks since the first detection. These …