// param[0] + param[1]*tx^2 + param[2]*tx dSlope_fringe + param[3]*ty^2 +
// param[4]*dSlope_fringe^2
static constexpr std::array<float, 5> zMagnetParamsRef{
    5203.872605645018f, -340.6074263133431f, 738.7231975559987f,
    -150.5505050536966f, 442.71087402239124f};
// param[0] + param[1]*dSlope_xEndT_abs + param[2]*x_EndT_abs + param[3]*tx^2 +
// param[4]*dSlope_xEndT^2
static constexpr std::array<float, 5> zMagnetParamsEndT{
    5283.843809531395f, -48.048410730195876f, 0.017112891787934723f,
    -1527.56144749707f, 363.0733912248743f};