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Table 1.

X-ray observation log of J0458−5202.

Telescope ObsID Date Date Exposure Abbr.
(MJD) (ks)
eROSITA/eRASS1 18–19 & 21–25 Feb. 2020 58902.22 0.9 eR1
eROSITA/eRASS2 18–23 Aug. 2020 59081.91 1.0 eR2
Swift XRT 00013747001 8–9 Oct. 2020 59130.89 1.9 Sw1
Swift XRT 00013747002 15 Oct. 2020 59137.49 0.8 Sw2
NICER 3505010101 30 Oct. 2020 59152.93 0.5 N1
NICER 3505010102 31 Oct. 2020 59153.45 0.8 N2
NICER 3505010103 1 Nov. 2020 59154.86 0.6 N3
NICER 3505010104 2 Nov. 2020 59155.57 7.8 N4
NICER 3505010105 3 Nov. 2020 59156.51 8.3 N5
NICER 3505010106 3–4 Nov. 2020 59157.25 2.8 N6
XMM EPIC 0862770601 26–27 Dec. 2020 59209.62 53.7, 66.1, 65.4 XM1
XMM EPIC 0872391601 28 Jan. 2021 59242.44 22.5, 31.0, 32.5 XM2
eROSITA/eRASS3 5–9 Feb. 2021 59252.53 0.7 eR3
Swift XRT 00014393001 25–26 Jun. 2021 59390.76 6.1 Sw3
eROSITA/eRASS4 12–17 Aug. 2021 59441.16 0.9 eR4
XMM EPIC 0891801601 8 Sep. 2021 59465.40 19.3, 25.6, 26.6 XM3
eROSITA/eRASS5 11–15 Feb. 2022 59623.99 0.8 eR5
Swift XRT 00015090001 24 Mar. 2022 59661.58 5.8 Sw4
XMM EPIC 0862771101 25–26 Apr. 2022 59695.01 56.4, 64.0, 64.0 XM4
Swift XRT 00089398001 3 Jun. 2022 59733.06 1.7 Sw5
Swift XRT 00015276001 23 Jul. 2022 59783.45 4.8 Sw6
Swift XRT 00015382001 21 Oct. 2022 59873.53 5.1 Sw7
Swift XRT 00015880001 17 Feb. 2023 59992.20 4.9 Sw8

Notes. All MJD dates refer to the midpoint of the observation. Exposure refers to good time after screening. For XMM-Newton, the three exposure values refer to pn, MOS1, and MOS2, respectively.

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