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Table 2.
Chandra observational log.
| Obs ID | Start date | Exposure | RA | Dec |
|---|---|---|---|---|
| (ks) | (deg) | (deg) | ||
| 3183 | 2002 Jun. 24 | 38.01 | 15.459 | −21.817 |
| 3710 | 2002 Jun. 26 | 37.80 | 15.459 | −21.817 |
| 9897 | 2008 Aug. 29 | 61.89 | 15.680 | −21.865 |
| 12177 | 2010 Aug. 31 | 46.95 | 15.459 | −22.063 |
| 12179 | 2010 Sep. 03 | 44.51 | 15.741 | −22.143 |
| 12178 | 2010 Sep. 07 | 42.46 | 16.005 | −22.005 |
| 13391 | 2011 Aug. 16 | 39.19 | 15.759 | −22.229 |
| 13442 | 2011 Aug. 23 | 152.74 | 15.353 | −21.813 |
| 13443 | 2011 Aug. 26 | 60.30 | 15.361 | −21.808 |
| 14333 | 2011 Aug. 31 | 114.83 | 15.776 | −21.613 |
| 13445 | 2011 Sep. 02 | 55.60 | 15.515 | −22.191 |
| 13444 | 2011 Sep. 03 | 32.41 | 15.776 | −21.611 |
| 13449 | 2011 Sep. 06 | 56.74 | 15.426 | −21.661 |
| 12178 | 2010 Sep. 07 | 42.46 | 16.005 | −22.005 |
| 13447 | 2011 Sep. 08 | 57.62 | 15.985 | −21.744 |
| 13446 | 2011 Sep. 09 | 49.59 | 15.482 | −21.585 |
| 14338 | 2011 Sep. 10 | 100.87 | 15.482 | −21.585 |
| 14343 | 2011 Sep. 12 | 30.48 | 15.995 | −21.708 |
| 13448 | 2011 Sep. 13 | 126.63 | 15.995 | −21.709 |
| 13392 | 2011 Sep. 16 | 42.80 | 15.642 | −21.562 |
| 13518 | 2011 Sep. 17 | 43.78 | 15.742 | −21.899 |
| 13454 | 2011 Sep. 19 | 79.55 | 16.033 | −21.896 |
| 14346 | 2011 Sep. 21 | 72.02 | 16.033 | −21.897 |
| 14345 | 2011 Sep. 23 | 30.62 | 15.324 | −22.089 |
| 13452 | 2011 Sep. 24 | 127.16 | 15.324 | −22.088 |
| 13450 | 2011 Oct. 05 | 94.85 | 15.980 | −22.160 |
| 14347 | 2011 Oct. 09 | 59.23 | 15.977 | −22.162 |
| 14354 | 2011 Oct. 10 | 35.43 | 15.638 | −22.149 |
| 13453 | 2011 Oct. 13 | 60.48 | 15.843 | −21.606 |
| 13456 | 2011 Oct. 15 | 124.10 | 15.638 | −22.149 |
| 13455 | 2011 Oct. 19 | 60.55 | 15.984 | −21.917 |
| 13457 | 2011 Oct. 21 | 59.83 | 15.341 | −22.088 |
| 20786* | 2018 Oct. 01 | 20.13 | 16.059 | −22.404 |
| 21864* | 2018 Oct. 05 | 31.03 | 16.059 | −22.404 |
| 21865* | 2018 Oct. 06 | 35.00 | 16.058 | −22.404 |
| 20787* | 2018 Oct. 07 | 35.50 | 16.193 | −22.289 |
| 21872* | 2019 Feb. 07 | 25.01 | 16.279 | −22.596 |
| 21873* | 2019 Feb. 08 | 28.28 | 16.295 | −22.357 |
Notes. RA and Dec columns indicate the pointing centers of each Chandra observation. The observations denoted with asterisks are not included in our main analysis.
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