{
  "scope": "Conditional analytic explanation, not an E08 numerical inference.",
  "relation": "v_centroid = f_line * v_front_LOS",
  "conditions": [
    "Optically thin additive profiles",
    "Line-centroid velocities in the nonrelativistic limit",
    "Stationary background in this illustration"
  ],
  "source_limit_km_s": 10,
  "source_limit_is_approximate": true,
  "f_line_lower_bound": null,
  "intrinsic_velocity_upper_bound": null,
  "normal_velocity_upper_bound": null,
  "reason": "For any finite intrinsic velocity, sufficiently small positive f_line can keep the recorded centroid below the response scale. No E08 f_line lower bound is available.",
  "extra_projection_issue": "v_front_LOS = v_n (n dot LOS) + v_t dot LOS; these geometric components are not supplied for this E08 patch.",
  "front_dwell_time_s": null,
  "slit_width_divided_by_image_speed_used": false
}