{
  "analysis_status": "source-only sensitivity trusted; data-proxy realism provisional",
  "response_folded": true,
  "response_count": 7,
  "source_model": {
    "model": "XSPEC phabs*apec",
    "nH_1e22_cm2": 0.03,
    "abundance_solar": 0.3,
    "redshift": 0.003416,
    "kT_comparison_keV": [
      0.7,
      0.8
    ],
    "abundance_table": "angr",
    "cross_section": "vern"
  },
  "unified_fit_contract": {
    "mos_ignore_band_keV": [
      1.15,
      1.45
    ],
    "mos_instline3_energy_approx_keV": 1.3,
    "mos_instline3_norm": 0.0,
    "al_si_lines_universally_forbidden": false,
    "note": "Al/Si instrumental lines remain branch-specific model components; the 1.15-1.45 keV data gap and Line3=0 are distinct choices."
  },
  "recommended_primary_proxy": {
    "ratio_name": "FeL_primary_high_over_low",
    "numerator_band_keV": [
      0.875,
      1.05
    ],
    "denominator_band_keV": [
      0.7,
      0.875
    ],
    "ratio_0p7": 0.6676479965569495,
    "ratio_0p8": 0.9537416206393843,
    "ratio_0p8_over_ratio_0p7": 1.4285096720993926,
    "fractional_change_percent": 42.85096720993926,
    "abs_delta_ln_ratio": 0.3566317134738841,
    "dln_ratio_dln_kT": 2.670770569110274,
    "response_scatter_fraction_at_0p75": 2.703210488737048e-05,
    "poisson_separation_per_1000_source_counts": 4.882300751667464
  },
  "three_band_recommendation": {
    "bands_keV": {
      "O_complex": [
        0.5,
        0.7
      ],
      "FeL_low": [
        0.7,
        0.875
      ],
      "FeL_high": [
        0.875,
        1.05
      ]
    },
    "primary_color": "FeL_high/FeL_low",
    "conservative_boundary_check": {
      "FeL_low": [
        0.72,
        0.88
      ],
      "FeL_high": [
        0.88,
        1.05
      ]
    },
    "secondary_foreground_control": "O8/O7 using 0.60-0.70 / 0.50-0.60 keV",
    "warning": "O VII is foreground dominated in the real M104 sectors; do not map its ratio to kT without joint LHB/MW-halo/SWCX treatment."
  },
  "realism": {
    "statistical_error_is_floor_only": true,
    "median_FeL_ratio_fractional_error_floor": 0.34532815584072946,
    "median_expected_0p7_vs_0p8_separation_sigma_floor": 1.0327328005028586,
    "median_data_ratio_stat_fractional_error_floor": 0.3345120198038018,
    "median_abs_proxy_minus_full_fit_kT_keV": 0.046362452144265154,
    "median_O7_source_fraction_of_no_qpb_model": 0.08457705969778359,
    "median_O8_source_fraction_of_no_qpb_model": 0.18549908737813067,
    "median_O8_over_O7_separation_sigma_floor": 0.0490598920136968,
    "FeL_ratio_max_fractional_shift_for_tested_Z_nH": 0.010267160718905766,
    "O8_over_O7_max_fractional_shift_for_tested_Z_nH": 0.12312617378890334,
    "not_included": [
      "foreground/background parameter covariance",
      "soft-proton spatial systematics",
      "multi-temperature plasma",
      "abundance-ratio variation",
      "gain and atomic-data systematics"
    ]
  },
  "responses": [
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      "sector_id": "S1",
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      "arf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle337.5-22.5_mask/mos2U005.arf",
      "rmf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle337.5-22.5_mask/mos2U005.rmf",
      "arf_sha256": "5f9b755caafb80facbb552f6848e3f2b647746cde9ead2ad3ee1acbdc9a10372",
      "rmf_sha256": "2dca7e1eb8bd06e212a2d72d7efeac4a0bc8320ef6600c6bdad764966105140c"
    },
    {
      "sector_id": "S2",
      "pha": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle22.5-67.5_mask/mos2U005-obj.pi",
      "arf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle22.5-67.5_mask/mos2U005.arf",
      "rmf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle22.5-67.5_mask/mos2U005.rmf",
      "arf_sha256": "1c0dac2b299c8590dd36143ecbdfd6da13d5739fc0865af3bfb76c647cd72efa",
      "rmf_sha256": "03dac629bd743b6609168243bd79bab78d8060e2aa325ffe009a85dd5543fb84"
    },
    {
      "sector_id": "S3",
      "pha": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle67.5-112.5_mask/mos2U005-obj.pi",
      "arf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle67.5-112.5_mask/mos2U005.arf",
      "rmf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle67.5-112.5_mask/mos2U005.rmf",
      "arf_sha256": "bc10e2644535138e59a9e9c48097fd2fa6537416365c8682fbc6f7949c5895ae",
      "rmf_sha256": "e89536227086afe42cc726ba0b9824bc4a1d6a944df8200240d3795e655efec2"
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    {
      "sector_id": "S4",
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      "arf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle112.5-157.5_mask/mos2U005.arf",
      "rmf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle112.5-157.5_mask/mos2U005.rmf",
      "arf_sha256": "6f316648879a4d50a157d826ebaaebec8857ca73572f2674038bc3ae74512b13",
      "rmf_sha256": "9145a506ee143b951614f8ecf056c3b0fa1ad347907181152c209f74998e6ffe"
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    {
      "sector_id": "S5",
      "pha": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle157.5-202.5_mask/mos2U005-obj.pi",
      "arf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle157.5-202.5_mask/mos2U005.arf",
      "rmf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle157.5-202.5_mask/mos2U005.rmf",
      "arf_sha256": "b8df3a77b4f9dc2959998afccf428ed214a47bea41644eca64d670c09e17b41f",
      "rmf_sha256": "77a07be348d7ea99dba73f2eb1fbd9182051e491e1675faa17019ed28ac51639"
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    {
      "sector_id": "S6",
      "pha": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle202.5-247.5_mask/mos2U005-obj.pi",
      "arf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle202.5-247.5_mask/mos2U005.arf",
      "rmf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle202.5-247.5_mask/mos2U005.rmf",
      "arf_sha256": "7223f17eb41a7be4793e9ba6ac301e8f163c0aa3b92277a96817bf0f40560ebc",
      "rmf_sha256": "4a98b8ca7c0d3d4eab849314ae857627666ea324985a47e462a1a1d02e3b5176"
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    {
      "sector_id": "S7",
      "pha": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle247.5-292.5_mask/mos2U005-obj.pi",
      "arf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle247.5-292.5_mask/mos2U005.arf",
      "rmf": "/u/Lang3/Data/XARTATOMS/XMM/ODF/0900170101/rpc/4.background/bkg_mos2_00700-01000_exclude_extent_source_except_center_regionR4-7_Angle247.5-292.5_mask/mos2U005.rmf",
      "arf_sha256": "1e74f014980576bfff05309f7ce781e7bdae63bb87401e0e9427b751cc2235e0",
      "rmf_sha256": "19389f7a5242d5789237c6ad07086a653ed3a436519048266e4bd75cd68109c4"
    }
  ],
  "artifacts": {
    "candidate_csv": "r47_mos2_temperature_proxy_candidate_ratios.csv",
    "calibration_csv": "r47_mos2_temperature_proxy_calibration.csv",
    "sector_realism_csv": "r47_mos2_temperature_proxy_sector_realism.csv",
    "band_scan_csv": "r47_mos2_temperature_proxy_band_scan.csv",
    "source_model_systematics_csv": "r47_mos2_temperature_proxy_source_model_systematics.csv"
  }
}
