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Table 2

Filters of the CGI of the Roman Telescope and corresponding IWA and OWA for the optimistic configuration scenario (Table 1).

λcentre Mode Commissioned IWA OWA
[nm] [mas] [mas]
550 Engineering No 142 425
575 Imaging Yes 148 445
575 Engineering No 148 445
599 Engineering No 154 463
615 Engineering No 159 476
638 Engineering No 164 493
656.3 Engineering No 169 508
660 Spectroscopy No 170 511
681 Engineering No 176 527
704 Engineering No 182 545
727 Engineering No 187 562
730 Spectroscopy Yes 188 565
752 Engineering No 194 582
754 Engineering No 194 583
777.5 Engineering No 200 601
792 Engineering No 204 613
825 Imaging Yes 213 638
825 Engineering No 213 638
857 Engineering No 221 663

Notes. Engineering filters might be used as regular broadband imaging filters if commissioned for exoplanet observations after the technology demonstration phase.

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