{
  "m87": {
    "mass_pred_solar": 4110083840.0,
    "mass_95ci": [
      3795178752.0,
      4451126784.0
    ],
    "mass_known": 6500000000.0,
    "mass_error_pct": 36.767940521240234,
    "mass_within_3sigma": false,
    "spin_pred": 0.9975687861442566,
    "spin_std": 0.0010787834180518985,
    "spin_known": 0.9,
    "spin_error": 0.09756878614425657,
    "spin_within_3sigma": true,
    "incl_pred_deg": 14.832359313964844,
    "incl_std_deg": 2.1765780448913574,
    "incl_known_deg": 17.0,
    "incl_error_deg": 2.1676406860351562,
    "incl_within_3sigma": true
  },
  "sgra": {
    "mass_pred_solar": 3736106.0,
    "mass_95ci": [
      3391624.25,
      4115572.5
    ],
    "mass_known": 4100000.0,
    "mass_error_pct": 8.875463485717773,
    "mass_within_3sigma": true,
    "spin_pred": 0.710654616355896,
    "spin_std": 0.09192969650030136,
    "spin_known": 0.94,
    "spin_error": 0.22934538364410395,
    "spin_within_3sigma": true,
    "incl_pred_deg": 28.529876708984375,
    "incl_std_deg": 4.014170169830322,
    "incl_known_deg": 45.0,
    "incl_error_deg": 16.470123291015625,
    "incl_within_3sigma": true
  }
}