{
  "purpose": "No-fit first-look R0-15 EPIC camera comparison",
  "qualification": "The MOS R0-15 directories are compatibility symlinks to the current 4.background masked full-FOV products; PN0 uses the analogous legacy masked camera-footprint selection with PATTERN<=0 and an approximately 15-arcmin detector circle. The sky regions overlap the nominal R0-15 field but are not pixel-identical because each camera has different chip gaps and masks. Use sb/sb_flux for shape comparison; rate also contains camera area differences.",
  "energy_range_keV": [
    0.4,
    3.2
  ],
  "fe_l_zoom_keV": [
    0.6,
    1.2
  ],
  "grouping": {
    "method": "group_subtracted_oversampling_SNR",
    "sampling_rate": 5,
    "snr": 6
  },
  "fit_performed": false,
  "manifest": [
    {
      "label": "MOS1",
      "nominal_region": "R0-15",
      "region_qualification": "R0-15 compatibility symlink to masked camera full-FOV extraction",
      "pha": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/4.background/bkg_mos1_00500-02000_exclude_extent_source_regionR0-15_mask/mos1U005-obj.pi",
      "bkg": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/4.background/bkg_mos1_00500-02000_exclude_extent_source_regionR0-15_mask/mos1U005-back.pi",
      "arf": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/4.background/bkg_mos1_00500-02000_exclude_extent_source_regionR0-15_mask/mos1U005.arf",
      "rmf": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/4.background/bkg_mos1_00500-02000_exclude_extent_source_regionR0-15_mask/mos1U005.rmf",
      "image": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/4.background/bkg_mos1_00500-02000_exclude_extent_source_regionR0-15_mask/mos1U005-obj-im-500-2000.fits",
      "mask": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/4.background/bkg_mos1_00500-02000_exclude_extent_source_regionR0-15_mask/mos1U005-mask-im.fits",
      "resolved_paths": {
        "rmf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos1_00500-02000_exclude_extent_source_mask/mos1U005.rmf",
        "arf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos1_00500-02000_exclude_extent_source_mask/mos1U005.arf",
        "bkg": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos1_00500-02000_exclude_extent_source_mask/mos1U005-back.pi",
        "image": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos1_00500-02000_exclude_extent_source_mask/mos1U005-obj-im-500-2000.fits",
        "pha": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos1_00500-02000_exclude_extent_source_mask/mos1U005-obj.pi",
        "mask": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos1_00500-02000_exclude_extent_source_mask/mos1U005-mask-im.fits"
      },
      "region_directory_is_symlink": true,
      "resolved_region_directory": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos1_00500-02000_exclude_extent_source_mask",
      "instrument": "EMOS1",
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      "skyarea_arcmin2": 120.29926111111114,
      "detector_channels": 2400,
      "image_exposure_s": 66692.3593176603,
      "mask_has_celestial_wcs": false,
      "selection_expression": "(PATTERN<=12)&&(FLAG == 0) && !((DETX,DETY) IN circle(1924.4625,-827.99803,3108.0)) && !((DETX,DETY) IN circle(1602.3254,-1879.7214,6400.0)) && !((DETX,DETY) IN circle(2818.6296,-2705.4514,2672.0)) && !((DETX,DETY) IN circle(-6861.1631,-13454.443,2312.0)) && !((DETX,DETY) IN circle(-748.58706,-17950.47,6400.0)) && !((DETX,DETY) IN circle(-9686.8741,9457.0559,3394.0)) && !((DETX,DETY) IN circle(6746.4641,12979.28,2918.0))&&!((DETX,DETY) in BOX(13280,-306,6610,6599,0))&&!((DETX,DETY) in BOX(6630,13060,6500,6550,0))&&!((DETX,DETY) in BOX(-6470,13130,6550,6560,0))&&!((DETX,DETY) in BOX(-13169,-105,6599,6599,0))&&region(mos1U005-bkg_region-det.fits)&&(((DETX,DETY) IN box(-2683.5,-15917,2780.5,1340,0))||((DETX,DETY) IN box(2743.5,-16051,2579.5,1340,0))||((DETX,DETY) IN circle(&&97,-172,17152)))",
      "selection_expression_status": "Pattern/FLAG provenance only; the long spatial SLCTEXPR contains malformed/truncated continuation text"
    },
    {
      "label": "MOS2",
      "nominal_region": "R0-15",
      "region_qualification": "R0-15 compatibility symlink to masked camera full-FOV extraction",
      "pha": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/4.background/bkg_mos2_00500-02000_exclude_extent_source_regionR0-15_mask/mos2U005-obj.pi",
      "bkg": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/4.background/bkg_mos2_00500-02000_exclude_extent_source_regionR0-15_mask/mos2U005-back.pi",
      "arf": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/4.background/bkg_mos2_00500-02000_exclude_extent_source_regionR0-15_mask/mos2U005.arf",
      "rmf": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/4.background/bkg_mos2_00500-02000_exclude_extent_source_regionR0-15_mask/mos2U005.rmf",
      "image": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/4.background/bkg_mos2_00500-02000_exclude_extent_source_regionR0-15_mask/mos2U005-obj-im-500-2000.fits",
      "mask": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/4.background/bkg_mos2_00500-02000_exclude_extent_source_regionR0-15_mask/mos2U005-mask-im.fits",
      "resolved_paths": {
        "rmf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00500-02000_exclude_extent_source_mask/mos2U005.rmf",
        "arf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00500-02000_exclude_extent_source_mask/mos2U005.arf",
        "bkg": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00500-02000_exclude_extent_source_mask/mos2U005-back.pi",
        "image": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00500-02000_exclude_extent_source_mask/mos2U005-obj-im-500-2000.fits",
        "pha": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00500-02000_exclude_extent_source_mask/mos2U005-obj.pi",
        "mask": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00500-02000_exclude_extent_source_mask/mos2U005-mask-im.fits"
      },
      "region_directory_is_symlink": true,
      "resolved_region_directory": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00500-02000_exclude_extent_source_mask",
      "instrument": "EMOS2",
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      "detector_channels": 2400,
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      "mask_has_celestial_wcs": false,
      "selection_expression": "(PATTERN<=12)&&(FLAG == 0) && !((DETX,DETY) IN circle(667.43781,1703.9678,3108.0)) && !((DETX,DETY) IN circle(1717.5036,1376.4675,6400.0)) && !((DETX,DETY) IN circle(2549.4302,2588.5422,2672.0)) && !((DETX,DETY) IN circle(13248.872,-7145.9756,2312.0)) && !((DETX,DETY) IN circle(17776.036,-1056.4289,6400.0)) && !((DETX,DETY) IN circle(-9676.7356,-9854.7268,3394.0)) && !((DETX,DETY) IN circle(-13115.064,6596.3759,2918.0))&&!((DETX,DETY) in BOX(-6560,13180,6590,6600,0))&&region(mos2U005-bkg_region-det.fits)&&(((DETX,DETY) IN circle(-61,-228,17085))||((DETX,DETY) IN box(14.375,-16567.6,5552.62,795.625,0)))",
      "selection_expression_status": "Pattern/FLAG provenance only; the long spatial SLCTEXPR contains malformed/truncated continuation text"
    },
    {
      "label": "PN0 (PATTERN=0)",
      "nominal_region": "R0-15",
      "region_qualification": "effective R0-15 within PN camera footprint",
      "pha": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/3B.background_20250124/bkg_pn0_00500-02000_mask/pnU002-obj.pi",
      "bkg": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/3B.background_20250124/bkg_pn0_00500-02000_mask/pnU002-back.pi",
      "arf": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/3B.background_20250124/bkg_pn0_00500-02000_mask/pnU002.arf",
      "rmf": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/3B.background_20250124/bkg_pn0_00500-02000_mask/pnU002.rmf",
      "image": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/3B.background_20250124/bkg_pn0_00500-02000_mask/pnU002-obj-im-500-2000.fits",
      "mask": "/u/Lang3/program/XARTATOMS/data/0900170101/rpc/3B.background_20250124/bkg_pn0_00500-02000_mask/pnU002-mask-im.fits",
      "resolved_paths": {
        "rmf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/3B.background_20250124/bkg_pn0_00500-02000_mask/pnU002.rmf",
        "arf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/3B.background_20250124/bkg_pn0_00500-02000_mask/pnU002.arf",
        "bkg": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/3B.background_20250124/bkg_pn0_00500-02000_mask/pnU002-back.pi",
        "image": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/3B.background_20250124/bkg_pn0_00500-02000_mask/pnU002-obj-im-500-2000.fits",
        "pha": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/3B.background_20250124/bkg_pn0_00500-02000_mask/pnU002-obj.pi",
        "mask": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/3B.background_20250124/bkg_pn0_00500-02000_mask/pnU002-mask-im.fits"
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      "region_directory_is_symlink": false,
      "resolved_region_directory": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/3B.background_20250124/bkg_pn0_00500-02000_mask",
      "instrument": "EPN",
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      "detector_channels": 4096,
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      "mask_has_celestial_wcs": false,
      "selection_expression": "(PATTERN <= 0)&&(FLAG == 0)&&((CCDNR == 1)||(CCDNR == 2)||(CCDNR == 3)||(CCDNR == 4)||(CCDNR == 5)||(CCDNR == 6)||(CCDNR == 7)||(CCDNR == 8)||(CCDNR == 9)||(CCDNR == 10)||(CCDNR == 11)||(CCDNR == 12))&&((DETX,DETY) in BOX(-2196,-1110,16060,15510,0)) && !((DETX,DETY) IN circle(-505.79938,-1854.464,3108.0)) && !((DETX,DETY) IN circle(-1558.7275,-1536.2859,6400.0)) && !((DETX,DETY) IN circle(-2379.8763,-2755.6884,2672.0)) && !((DETX,DETY) IN circle(-13165.218,6883.6042,2312.0)) && !((DETX,DETY) IN circle(-17638.229,754.15268,6400.0)) && !((DETX,DETY) IN circle(9735.4922,9795.4749,3394.0)) && !((DETX,DETY) IN circle(13319.513,-6624.4832,2918.0))&&((DETX,DETY) IN circle(-2200,-1110,17980))&&region(pnU002-bkg_&&region-det.fits)",
      "selection_expression_status": "Pattern/FLAG provenance only; the long spatial SLCTEXPR contains malformed/truncated continuation text"
    }
  ],
  "grouped_bins": {
    "MOS1": {
      "total_0.4_3.2_keV": 53,
      "overlap_0.6_1.2_keV": 22
    },
    "MOS2": {
      "total_0.4_3.2_keV": 65,
      "overlap_0.6_1.2_keV": 27
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    "PN0 (PATTERN=0)": {
      "total_0.4_3.2_keV": 55,
      "overlap_0.6_1.2_keV": 19
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  "band_statistics_csv": "/u/Lang3/program/XARTATOMS/joint_spectrum_fitting_2T_basedon_region_v22/r015_epic_xsherpa_inspect_pn0_pattern0_20260713/r015_epic_mos1_mos2_pn0_band_statistics.csv",
  "comparison": {
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        "net_rate_per_arcmin2": 0.0010062904452974313,
        "approx_net_sb_flux_density": 1.70093518566881e-06,
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      "mos2": {
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        "energy_lo_keV": 0.4,
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        "approx_net_sb_flux_density": 1.4455133077730366e-06,
        "background_scale_alpha": 0.9999969345328791
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        "detector": "PN0 (PATTERN=0)",
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        "source_counts": 63095.0,
        "scaled_qpb_counts": 23894.38424390178,
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      "mos12_combined_net_counts": 26216.91915206053,
      "mos12_combined_snr": 125.30817881827312,
      "pn0_to_mos12_net_count_ratio": 1.4952411276371211,
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        "net_rate_per_arcmin2": 8.636382962373653e-05,
        "approx_net_sb_flux_density": 3.397716087963842e-06,
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      "mos2": {
        "detector": "MOS2",
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        "energy_hi_keV": 0.875,
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        "scaled_qpb_counts": 902.2930142238373,
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      "pn0": {
        "detector": "PN0 (PATTERN=0)",
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  "overlay_outputs": [
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}
