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Table 1.

XMM-Newton observation ID, clean exposure time, coordinates, and estimated redshift for our sample according to the RASS detection (X22, https://github.com/wwxu/rxgcc.github.io).

RXGCC Obs Obs ID Exp. RA Dec z
No. [ks] J2000 J2000
127 1 0863880101 15.7 46.011 −12.073 0.012
841 2 0863880201 11.3 316.826 −47.169 0.016
104 3 0863880401 18.5 36.488 36.996 0.036

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