❪𝛿❫ High-Energy Astrophysics Quantities ○ Relationships

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• ❪∂❫ High-Energy Astrophysics Math ○
• ❪𝛿❫ Astronomical Quantities ○

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• ❪𝛿❫ Spectral Fitting Quantities ○
• ❪𝛿₂❫ High-Energy Astrophysics Units ○
• Channel Error (σ₍I₎) ○◂
• Count Rate ○◂
• Disk Fraction (f) ○◂
• Effective Area ○◂ᴴᴱᴬ
• Hardness Ratio ○◂
• Instrument Channel (I) ○◂
• Mass Ratio (q) ○◂
• Photon Counts (C) ○◂
• RMS Amplitude of QPO (a) ○◂
• RMS Power of PDS (r) ○◂
• Viscosity Parameter (α) ○◂

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