* Table 2: List of events those have not been considered for this analysis
| NAME | IFAR | IFOS | GDB | PE Summary | Explanation |
| ---- | ---- | ---- | --- | -- | -- |
|GW190421a|1.6e+03|HL|[S190421ar](https://gracedb.ligo.org/superevents/S190421ar/)|[Link](https://git.ligo.org/pe/O3/S190421ar)|<br> High mass <br> total mass~|