Table B.1.
Simultaneous counterpart 3σ upper limits (AB mag) inferred from forced photometry.
| FXT | Time | ZTF filters | ZTF | ∼ΔTZTF | ATLAS filters | ATLAS | ∼ΔTATLAS |
|---|---|---|---|---|---|---|---|
| (MJD) | (3σ) | (days) | (3σ) | (days) | |||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
| 17 | 57347 | – | – | – | o | > 20.3 | 15.3 |
| 18 | 57717 | – | – | – | o | > 19.3 | 18.4 |
| 19 | 57997 | – | – | – | c, o | > 20.8,> 19.1 | 15.5,1.5 |
| 20 | 58813 | g,r,i | > 17.8,> 18.3,> 19.1 | 15.5,15.5,14.5 | c,o | > 20.0,> 20.5 | 2.6,8.6 |
| 21 | 58840 | g,r | > 19.4,> 19.2 | 6.1,5.3 | c,o | > 21.2,> 21.1 | 4.4,5.4 |
| 22 | 59327 | g,r | > 18.1,> 18.4 | 1.0,1.0 | c,o | > 20.5,> 20.0 | 12.4,2.3 |
Notes. Columns 1 and 2: FXT number and X-ray trigger time, respectively. Columns 3, 4 and 5: ZTF filters used, 3σ upper limit per filter (if available), and detection time from the X-ray trigger, respectively. Columns 6, 7, and 8: Atlas filters used, 3σ upper limit per filter, and detection time from the X-ray trigger, respectively.
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