class arf{ private: vector<Real> m_LowEnergy; // Start energy of bin vector<Real> m_HighEnergy; // End energy of bin vector<Real> m_EffArea; // Effective areas string m_EnergyUnits; // Units for energies string m_arfUnits; // Units for effective areas string m_Telescope; string m_Instrument; string m_Detector; string m_Filter; string m_ExtensionName; // EXTNAME keyword in SPECRESP extension