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Table 1.
Observation log for NICER observations.
| Group | State | ObsId | Start time | Stop time | Observed mean count rate | Phase |
|---|---|---|---|---|---|---|
| counts s−1 (52FPM)−1 | ||||||
| 1 | pre-dip | 2050050107 | 2020-01-20T11:40:09 | 2020-01-20T18:10:38 | ∼886 | 0.806–0.823 |
| dip | 2050050108 ( * ) | 2020-01-21T00:03:33 | 2020-01-21T23:35:48 | ∼70 | 0.838–0.897 | |
| 2 | pre-dip | 2050050128 | 2020-02-22T00:21:19 | 2020-02-22T00:45:18 | ∼896 | 0.778 |
| dip | 2050050129 ( * ) | 2020-02-23T01:12:59 | 2020-02-23T23:14:29 | ∼74 | 0.840–0.896 | |
| 3 | pre-dip | 3578010601 | 2020-08-05T02:04:16 | 2020-08-05T23:48:47 | ∼419 | 0.781–0.836 |
| dip | 3578010701 ( * ) | 2020-08-06T02:52:02 | 2020-08-06T21:37:41 | ∼62 | 0.844–0.891 | |
| 4 | pre-dip | 4050050112 | 2021-08-19T19:39:45 | 2021-08-19T19:52:19 | ∼746 | 0.796 |
| dip1 | 4050050113 | 2021-08-20T12:49:57 | 2021-08-20T14:27:34 | ∼126 | 0.840–0.844 | |
| dip2 | 4050050114 | 2021-08-21T08:46:16 | 2021-08-21T09:02:43 | ∼48 | 0.890 | |
| 5 | pre-dip | 4050050117 | 2021-09-05T07:47:28 | 2021-09-05T07:52:50 | ∼687 | 0.797 |
| dip | 4050050118 | 2021-09-06T08:35:07 | 2021-09-06T08:45:13 | ∼76 | 0.859 | |
Notes. ( * )The observations cover the transition from the pre-dip state to the dip state. The duration preceding the dip in these observations has been excluded in the spectral analysis.
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