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Table 2
Summary of Chandra observations used in this work.
| Name | Obsid | Instrument | Effective exptimea | Observing mode |
| s | ||||
|
|
||||
| 6880 | ACIS-I | 117700 | VFAINT | |
| A1835 | 6881 | ACIS-I | 36200 | VFAINT |
| 7379 | ACIS-I | 39300 | VFAINT | |
| RXC J1504 | 5793 | ACIS-I | 39000 | VFAINT |
| 4935 | ACIS-I | 13300 | FAINT | |
| RX J1532 | 14009 | ACIS-S | 88000 | VFAINT |
| A1068 | 1652 | ACIS-S | 26600 | FAINT |
| ZW 3146 | 909 | ACIS-I | 45600 | FAINT |
| 9371 | ACIS-I | 39800 | VFAINT | |
| Z0348 | 10465 | ACIS-S | 47800 | VFAINT |
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