Open Access

Table B.1.

eROSITA All-Sky Survey observations of thermal INSs.

Sky field Date MJD Exp. GTI Rate
(days) (s) (%) (s−1)
RX J0420.0−5022

06714101 2020-01-24 58 877.77 941 78 0.108(19)
06714102 2020-07-24 59 060.03 950 80 0.146(21)
06714103 2021-01-18 59 236.45 634 80 0.121(23)
06714104 2021-07-25 59 424.41 648 78 0.126(23)

RX J0720.4−3125

11112001 2020-04-21 58 962.14 245 71 6.67(29)
11112002 2020-10-24 59 147.77 216 80 7.17(31)
11112003 2021-04-23 59 329.52 302 79 7.42(25)
11112004 2021-10-25 59 514.40 317 87 7.76(33)

RX J0806.4−4123

12113201 2020-05-07 58 978.14 331 71 1.58(13)
12113202 2020-11-07 59 162.53 288 74 1.55(12)
12113203 2021-05-10 59 345.93 259 76 1.74(13)
12113204 2021-11-09 59 529.57 288 77 1.79(14)

2XMM J104608.7−594306

16315001 2020-01-01 58 852.22 533 84 0.086(25)
16315002 2020-07-01 59 034.39 576 84 0.085(25)
16315003 2021-01-01 59 217.67 418 81 0.111(33)
16315004 2021-07-04 59 404.56 799 91 0.096(32)

RX J1308.6+2127

19606901 2019-12-15 58 834.01 245 73 3.02(19)
19606902 2020-06-14 59 015.18 187 79 2.67(21)
19606903 2020-12-17 59 202.22 230 82 2.62(19)
19606904 2021-06-19 59 385.89 245 77 2.46(17)

RX J1856.5−3754

28212901 2020-04-09 58 949.34 115 69 5.86(31)
28212902 2020-10-13 59 136.08 115 69 5.48(30)
28212903 2021-04-08 59 313.30 158 73 5.60(30)
28212904 2021-10-10 59 498.62 173 80 5.53(27)

Notes. All eROSITA observations were processed with pipeline version c020. The telescope modules (TMs) were operated in SURVEY mode with FILTER setup.

(⋆)

Start date of a given eRASS epoch (of duration ∼2 − 11 days) at the sky location of the target.

(†)

The percentage of good-time intervals are averaged over all active TMs.

(‡)

We show the count rate of the targets from source detection and PSF fitting over the TMs unaffected by optical light leaks, with 1σ errors (0.2 − 1 keV; see Fig. B.1).

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