XMM-Newton Users Handbook

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Next: On-axis effective area Up: 3.2 X-ray Telescopes Previous: Off-axis PSF

3.2.2 X-ray effective area

The second important characteristic of the mirror performance is their effective area, $A_e$, which reflects the ability of the mirrors to collect radiation at different photon energies.


European Space Agency - XMM-Newton Science Operations Centre