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Table 1:

New X-ray eclipse times for 2A 1822-371.
$T_{\rm ecl}$ (MJD) Error Cycle Satellite (ObsID) $T_{\rm start}$- $T_{\rm stop}$ (MJD)
50 352.10094 0.00047 20 410 RXTE (P10115) 50 352.34-50 353.44
50 992.0857 0.0023 23 167 RXTE (P30060) 50 992.81-51 019.65
51 975.01132 0.00031 27 402 RXTE (P50048) 51 975.44-52 101.48
52 432.03655 0.00030 29 371 RXTE (P70036/37) 52 432.37-52 435.77
52 487.97497 0.00038 29 612 RXTE (P70037) 52 488.36-52 504.01
52 519.07766 0.00085 29 746 RXTE (P70037) 52 519.15-52 547.87
52 882.09667 0.00037 31 310 RXTE (P70037) 52 882.02-52 885.21
51 975.06934 0.00056 27 402 XMM-Newton (230101) 51 975.55-51 976.15
51 779.6317 0.0019 26 560 Chandra (671) 51 779.70-51 780.16
54 607.19592 0.00056 38 742 Chandra (9076/9858) 54 606.96-54 610.52

Notes. Uncertainties are calculated as described in the text. $T_{\rm start}$- $T_{\rm stop}$ indicates the time interval over which a folding of the orbital light curve was performed to derive the time of eclipse.


Source LaTeX | All tables | In the text

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