Table 2∶ Outburst states of black holes∶ nomenclature and definitions

New State Name (Old State Name)Definition of X-ray State
Thermal
(High/Soft)
Disk fraction
QPOs absent or very weak:
Power continuum level
Hard
(Low/Hard)
Disk fraction (i.e., Power-law fraction > 80%)

Power continuum level
Steep Power Law (SPL)
(Very high)
Presence of power-law component with
Power continuum level
Either and 0.1–30 Hz QPOs present with
or disk fraction with no QPOs

2–20 keV band.
Fraction of the total 2–20 keV unabsorbed flux.
QPO amplitude (rms).
Total rms power integrated over 0.1–10 Hz.
Formerly 0.06 in McClintock & Remillard (2006).
Formerly 1.5 in McClintock & Remillard (2006).
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