{
  "published_2025_spectrum": {
    "bins": 127,
    "line_bins": 4,
    "line_flux_before_additional_photometric_rescaling": 5.148047481542243e-19,
    "covariance_error": 8.01232979289068e-20,
    "SNR_with_covariance": 6.425156745432637,
    "SNR_diagonal_only_counterexample": 9.601595666646055,
    "stage": "released 2025 combined spectrum, no refit of path loss or 2026 OASIS spectra"
  },
  "units": {
    "Lya_photon_eV": 10.198836726512974,
    "ground_H_ionization_reference_eV": 13.6,
    "Lya_redshift_from_2025_centroid": 13.053155872893136,
    "pMpc02_to_cMpc_at_z13": 2.8000000000000003
  },
  "frozen_background": {
    "z": 13.0,
    "nH_cm3": 0.000523430940412928,
    "H_km_s_Mpc": 1982.3450315724558,
    "Ndot_escaping_s1": 1e+53,
    "alphaB_cm3_s": 2.6e-13,
    "temperature_K": 10000,
    "hydrogen_only_electrons": true,
    "solutions": [
      {
        "C": 0.0,
        "recombination_time_Myr": null,
        "radius_at_60Myr_pMpc": 0.14324688739705788,
        "recombination_photon_fraction_at_60Myr": 0.0
      },
      {
        "C": 1.0,
        "recombination_time_Myr": 232.8430580107489,
        "radius_at_60Myr_pMpc": 0.13735158782875967,
        "recombination_photon_fraction_at_60Myr": 0.11845300134194403
      },
      {
        "C": 3.0,
        "recombination_time_Myr": 77.61435267024964,
        "radius_at_60Myr_pMpc": 0.12697455089749377,
        "recombination_photon_fraction_at_60Myr": 0.30354273291899825
      },
      {
        "C": 10.0,
        "recombination_time_Myr": 23.284305801074886,
        "radius_at_60Myr_pMpc": 0.10176795978857779,
        "recombination_photon_fraction_at_60Myr": 0.6414269691795295
      }
    ],
    "photon_balance_checked": true,
    "limits": "frozen cosmic density, no Hubble expansion, no source evolution; neglect initial light-travel transient and plot from1Myr"
  },
  "damping_wing": {
    "chosen_H_km_s_Mpc": 2000.0,
    "chosen_K_km_s": 600.0,
    "matched_cases": [
      [
        0.1,
        300.0,
        0.30119421191220214
      ],
      [
        0.2,
        100.0,
        0.30119421191220214
      ]
    ],
    "limits": "far red wing, uniform neutral IGM and Hubble flow; no resonant core, local absorbers or line-profile convolution"
  },
  "geometry": {
    "grid": 64,
    "neighbors": 6,
    "sources_each": 27,
    "sample_at_10percent": [
      {
        "layout": "分散来源",
        "target_ionized_fraction": 0.1,
        "actual_ionized_fraction": 0.09999847412109375,
        "connected_components": 27,
        "largest_component_fraction_of_ionized": 0.03742275120164797,
        "largest_component_fraction_of_box": 0.003742218017578125,
        "union_ionized_cells": 26214,
        "sum_of_individual_spheres_cells": 26214,
        "radius_box_units": 0.09584384067935797
      },
      {
        "layout": "聚集来源",
        "target_ionized_fraction": 0.1,
        "actual_ionized_fraction": 0.09999847412109375,
        "connected_components": 1,
        "largest_component_fraction_of_ionized": 1.0,
        "largest_component_fraction_of_box": 0.09999847412109375,
        "union_ionized_cells": 26214,
        "sum_of_individual_spheres_cells": 391270,
        "radius_box_units": 0.2363021996119601
      }
    ],
    "limits": "geometric unions, not radiative transfer or a measured cosmological percolation threshold"
  },
  "limits": [
    "No full spectrum extraction, Gaussian/posterior fit, photometric path-loss calibration or 2026 OASIS re-analysis.",
    "No THESAN merger-tree or source/sink simulations rerun.",
    "Source clustering toy holds occupied volume equal, not the physical photon luminosity history."
  ]
}