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Table 1.
Observation log of 4U 1901+03 during its 2019 outburst with Insight-HXMT and NuSTAR.
| ObsID | Start date | Start MJD | Exposure (ks) |
|---|---|---|---|
| Insight-HXMT | |||
| P0211006001 | 2019-03-21 | 58563.81 | 5.35 |
| P0211006003 | 2019-03-31 | 58573.85 | 3.31 |
| P0211006004 | 2019-04-03 | 58576.59 | 1.53 |
| P0211006005 | 2019-04-04 | 58577.77 | 1.89 |
| P0211006006 | 2019-04-06 | 58579.76 | 2.26 |
| P0211006007 | 2019-04-08 | 58581.34 | 2.11 |
| P0211006008 | 2019-04-10 | 58583.33 | 2.22 |
| P0211006009 | 2019-04-13 | 58586.87 | 2.03 |
| P0211006010 | 2019-04-15 | 58588.54 | 2.75 |
| P0211006011 | 2019-04-16 | 58589.20 | 1.95 |
| P0211006012 | 2019-04-21 | 58594.59 | 1.83 |
| P0211006013 | 2019-04-23 | 58596.43 | 2.25 |
| P0211006014 | 2019-04-25 | 58598.52 | 3.38 |
| P0211006016 | 2019-04-28 | 58601.32 | 3.09 |
| P0211006017 | 2019-04-30 | 58604.04 | 4.37 |
| P0211006018 | 2019-05-02 | 58605.30 | 1.49 |
| P0211006019 | 2019-05-04 | 58608.14 | 5.28 |
| P0211006020 | 2019-05-06 | 58610.12 | 4.88 |
| P0211006021 | 2019-05-08 | 58612.05 | 4.70 |
| P0211006022 | 2019-05-12 | 58616.46 | 10.00 |
| NuSTAR | |||
| 90501305001 | 2019-02-17 | 58531.12 | 17.85 |
| 90502307002 | 2019-03-07 | 58549.31 | 12.25 |
| 90502307004 | 2019-04-11 | 58584.94 | 21.45 |
| 90501324002 | 2019-05-12 | 58615.74 | 45.12 |
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