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Constraints on the Luminosity of the Central Source in SNR 1987A

Gilfanov, M. R.; Sunyaev, R. A.; Lutovinov, A. A. +1 more

We obtained constraints on the luminosity of the central source in SNR 1987 A using XMM-Newton and INTEGRAL data. XMM-Newton yields an upper limit on the SNR luminosity in the 2 10 keV energy band, L X ≲ 5 × 1034 erg s-1. Since the optical depth of the envelope is still large in the XMM-Newton energy band, this constraint carries no useful informa…