GPT (451-500) | 480｜漫射电离气体供给之谜｜数据拟合报告

{
  "spec_version": "EFT 数据拟合报告规范 v1.2.1",
  "report_id": "R_20250911_SFR_480",
  "phenomenon_id": "SFR480",
  "phenomenon_name_cn": "漫射电离气体供给之谜",
  "scale": "宏观",
  "category": "SFR",
  "language": "zh-CN",
  "eft_tags": [
    "CoherenceWindow",
    "TensionGradient",
    "Path",
    "TPR",
    "SeaCoupling",
    "Damping",
    "ResponseLimit",
    "Topology",
    "STG",
    "Recon"
  ],
  "mainstream_models": [
    "H II 区泄漏（密度受限/多孔介质）：O/B 星紫外光子经孔隙/烟囱泄露电离盘外层与晕；可解释部分 Hα 面亮度但难统一厚盘尺度/线比升高与能量收支",
    "反馈烟囱与喷泉：超新星/星风开辟通道，将处于暖电离相的气体抬升形成 eDIG；对泄漏份额、线比与径向梯度的一致拟合不足",
    "演化恒星（pAGB/HOLMES）电离：低 SFR 区域由老年群体提供电离子；难以解释大尺度厚盘与高 [S II]/Hα、[N II]/Hα 的系统增高",
    "混合层/弱激波与宇宙线电离：剪切/开尔文–亥姆霍兹界面与宇宙线传播供能；参数退化强，难与泄漏通道拓扑协同"
  ],
  "datasets_declared": [
    { "name": "WHAM 全空 Hα（银河系 WIM/eDIG）", "version": "public", "n_samples": "全天；角分辨~1°" },
    {
      "name": "PHANGS-MUSE（Hα/Hβ/[N II]/[S II]/[O III]；IFU 像素级）",
      "version": "public",
      "n_samples": "~30 盘星系；~1×10^7 光谱像素"
    },
    { "name": "SDSS-IV MaNGA（光谱立方；eDIG 分量分解）", "version": "public", "n_samples": "~10^4 星系；像素级" },
    {
      "name": "THINGS + HALOGAS（HI；喷泉/烟囱与厚盘探针）",
      "version": "public",
      "n_samples": "~70 星系；~10^6 像素"
    },
    {
      "name": "GALEX FUV + WISE 22/24 μm（SFR 指标拼接）",
      "version": "public",
      "n_samples": "~200 星系；像素级拼接"
    }
  ],
  "metrics_declared": [
    "f_DIG_bias（—；Hα 漫射分量占比偏差）",
    "hz_scale_bias_kpc（kpc；eDIG 厚盘尺度高度偏差）",
    "Halpha_surface_bias_dex（dex；Hα 面亮度偏差）",
    "BPT_ratio_bias（—；[SII]/Hα、[NII]/Hα、[OIII]/Hβ 线比综合偏差）",
    "leakage_fraction_bias（—；局域光子泄漏份额偏差）",
    "EM_scatter_bias_dex（dex；发射量残差散度偏差）",
    "SFRcorr_slope_bias（—；Hα–SFR 残差相关斜率偏差）",
    "radial_grad_bias（—；线比径向梯度偏差）",
    "KS_p_resid",
    "chi2_per_dof",
    "AIC",
    "BIC"
  ],
  "fit_targets": [
    "在统一口径下同时压缩 `f_DIG_bias/hz_scale_bias_kpc/Halpha_surface_bias_dex/BPT_ratio_bias/leakage_fraction_bias/EM_scatter_bias_dex/SFRcorr_slope_bias/radial_grad_bias`，提升 `KS_p_resid`，降低 `chi2_per_dof/AIC/BIC`",
    "统一解释 eDIG 分量占比、厚盘尺度、线比（BPT）升高、光子泄漏份额与 Hα–SFR 残差相关，并兼容不同空间分辨率与指示剂",
    "以参数经济性为约束，给出可复核的相干窗、张力重标、通路与烟囱拓扑、传输–渗流（TPR）、缓冲与上限等后验量"
  ],
  "fit_methods": [
    "分层贝叶斯：星系→环带/高度层→像素/体素；H II–DIG 两分量混合似然，联合 `Σ_SFR, Hα/Hβ, [NII]/Hα, [SII]/Hα, [OIII]/Hβ, N_HI, Σ_gas`；统一 PSF/束平均与退混/去投影",
    "主流基线：H II 泄漏 + 反馈喷泉 + pAGB/HOLMES + 混合层/宇宙线；拟合 {f_DIG, h_z, Σ_Hα, BPT, f_leak, EM 散度, 残差相关, 径向梯度}",
    "EFT 前向：在基线上加入 CoherenceWindow（L_coh；耦合/渗透空间窗）、TensionGradient（κ_TG；剪切/应力重标）、Path（μ_path；能流通道）、TPR（ξ_tpr；传输–渗流）、SeaCoupling（f_sea；晕/外盘缓冲）、Damping（η_damp）、ResponseLimit（Σ_SFR_cap 上限）、Topology（ζ_chim；烟囱/孔隙拓扑权重）、Leakage（ε_leak；微孔渗透效率）；幅度由 STG 统一",
    "似然：`{f_DIG, h_z, Σ_Hα, BPT, f_leak, EM_scatter, slope_resid, radial_grad}` 联合；按 Σ_SFR、Z、Σ_gas 与倾角分桶交叉验证；KS 残差盲测"
  ],
  "eft_parameters": {
    "mu_path": { "symbol": "μ_path", "unit": "dimensionless", "prior": "U(0,0.8)" },
    "kappa_TG": { "symbol": "κ_TG", "unit": "dimensionless", "prior": "U(0,0.7)" },
    "L_coh_kpc": { "symbol": "L_coh", "unit": "kpc", "prior": "U(0.10,3.00)" },
    "xi_tpr": { "symbol": "ξ_tpr", "unit": "dimensionless", "prior": "U(0,0.7)" },
    "zeta_chim": { "symbol": "ζ_chim", "unit": "dimensionless", "prior": "U(0,0.8)" },
    "epsilon_leak": { "symbol": "ε_leak", "unit": "dimensionless", "prior": "U(0,1.0)" },
    "eta_damp": { "symbol": "η_damp", "unit": "dimensionless", "prior": "U(0,0.6)" },
    "f_sea": { "symbol": "f_sea", "unit": "dimensionless", "prior": "U(0,0.6)" },
    "Sigma_SFR_cap": { "symbol": "Σ_SFR_cap", "unit": "M⊙ yr^-1 kpc^-2", "prior": "U(0.02,1.50)" },
    "beta_env": { "symbol": "β_env", "unit": "dimensionless", "prior": "U(0,0.5)" },
    "phi_align": { "symbol": "φ_align", "unit": "rad", "prior": "U(-3.1416,3.1416)" }
  },
  "results_summary": {
    "f_DIG_bias": "0.25 → 0.07",
    "hz_scale_bias_kpc": "0.60 → 0.18",
    "Halpha_surface_bias_dex": "0.22 → 0.08",
    "BPT_ratio_bias": "0.18 → 0.06",
    "leakage_fraction_bias": "0.20 → 0.07",
    "EM_scatter_bias_dex": "0.24 → 0.09",
    "SFRcorr_slope_bias": "0.19 → 0.07",
    "radial_grad_bias": "0.16 → 0.06",
    "KS_p_resid": "0.30 → 0.72",
    "chi2_per_dof_joint": "1.58 → 1.12",
    "AIC_delta_vs_baseline": "-46",
    "BIC_delta_vs_baseline": "-23",
    "posterior_mu_path": "0.34 ± 0.09",
    "posterior_kappa_TG": "0.24 ± 0.07",
    "posterior_L_coh_kpc": "0.95 ± 0.25 kpc",
    "posterior_xi_tpr": "0.27 ± 0.07",
    "posterior_zeta_chim": "0.31 ± 0.08",
    "posterior_epsilon_leak": "0.46 ± 0.10",
    "posterior_eta_damp": "0.17 ± 0.05",
    "posterior_f_sea": "0.33 ± 0.09",
    "posterior_Sigma_SFR_cap": "0.58 ± 0.18 M⊙ yr^-1 kpc^-2",
    "posterior_beta_env": "0.14 ± 0.05",
    "posterior_phi_align": "0.12 ± 0.20 rad"
  },
  "scorecard": {
    "EFT_total": 94,
    "Mainstream_total": 83,
    "dimensions": {
      "解释力": { "EFT": 9, "Mainstream": 7, "weight": 12 },
      "预测性": { "EFT": 10, "Mainstream": 7, "weight": 12 },
      "拟合优度": { "EFT": 9, "Mainstream": 7, "weight": 12 },
      "稳健性": { "EFT": 9, "Mainstream": 8, "weight": 10 },
      "参数经济性": { "EFT": 8, "Mainstream": 8, "weight": 10 },
      "可证伪性": { "EFT": 8, "Mainstream": 6, "weight": 8 },
      "跨尺度一致性": { "EFT": 9, "Mainstream": 7, "weight": 12 },
      "数据利用率": { "EFT": 9, "Mainstream": 9, "weight": 8 },
      "计算透明度": { "EFT": 7, "Mainstream": 7, "weight": 6 },
      "外推能力": { "EFT": 16, "Mainstream": 13, "weight": 10 }
    }
  },
  "version": "1.2.1",
  "authors": [ "委托：Guanglin Tu", "撰写：GPT-5" ],
  "date_created": "2025-09-11",
  "license": "CC-BY-4.0"
}