{
  "problem_id": "ASTRO2",
  "initial_horizon_angular_velocity_rad_s": 5691.7,
  "saturated_black_hole_spin_a_sat": 0.694614,
  "saturated_cloud_boson_number": 4.5212e+77,
  "observed_annihilation_gw_frequency_hz": 1063.94
}