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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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