Velocity from a redshift

Frammenti di codice

curl "https://api.oanor.com/doppler-api/v1/radial-velocity" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/doppler-api/v1/radial-velocity", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/doppler-api/v1/radial-velocity");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/doppler-api/v1/radial-velocity",
    headers={"x-oanor-key": "oanor_test_..."}
)

Risposta di esempio

Una risposta reale di questo endpoint, acquisita dall'ultimo health check.

{
    "data": {
        "note": "Positive z (red-shift) means receding; negative (blue-shift) means approaching.",
        "formula": "β = ((1+z)² − 1) / ((1+z)² + 1); v = β·c. Non-relativistic: v ≈ z·c.",
        "direction": "receding",
        "redshift_z": 0.1,
        "velocity_m_s": 28487066.14,
        "velocity_km_s": 28487.0661,
        "velocity_fraction_c": 0.09502262,
        "non_relativistic_estimate_km_s": 29979.2458
    },
    "meta": {
        "timestamp": "2026-06-04T10:18:56.440Z",
        "request_id": "cfab36cd-b52e-4404-bf50-c77ecbeabca8"
    },
    "status": "ok",
    "message": "Velocity from a redshift",
    "success": true
}