|
Time
| Event |
|
| −20,000 years | Rings formed |
| ~(−2,000?) years | Polar, or near-polar ejection |
| 0 (= UT 1987, Feb. 23.316) | Core-collapse of SN 1987A |
| days | UV flash from SN 1987A |
| days | Emergence of luminous jet |
| days | Cooling/spreading of jet |
| 7.8 days | UV flash hits polar ejecta |
| 8.26 days | Jet impacts polar ejecta (PE) |
| 19.8 days | Pulsations clear through PE |
| 20.8 days | Jet particles clear through PE |
| 30 days | “Mystery spot” at 45 mas |
| 38 days | “Mystery spot” at 60 mas |
| 50 days | “Mystery spot” at 74 mas |
|