ALMA data reveal red-noise variability in Sgr A* with polarization varying far more than total intensity and a simultaneous X-ray/mm flare favoring continuous energy injection over standard cooling-delay models.
In this appendix we examine in greater detail the behavior of the SF and describe the methodol- ogy employed to estimate PSD slopes and variability timescales
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Full-polarization millimeter wavelength variability of Sagittarius A* during the 2018 EHT campaign
ALMA data reveal red-noise variability in Sgr A* with polarization varying far more than total intensity and a simultaneous X-ray/mm flare favoring continuous energy injection over standard cooling-delay models.