«FarDU ilmiy xabarlari» Ҷилди 31 № 3 (2025)
INVESTIGATING QUASI-PERIODIC OSCILLATION SIGNATURES IN THE DYONIC MODMAX MODEL USING QUASAR DATA
Khoshimov, Khusanboy, Gulomov, Abdujalil
Аннотатсия
<p><em>In this study, we explore quasi-periodic oscillations produced near a black hole governed by the Dyonic ModMax metric. By fitting the QPO frequencies recorded from the micro-quasars GRO J1655-40, XTE J1550-564, XTE J1859+226, GRS 1915+105 and H1743-322, we establish observational limits on the charge </em><em>Q </em><em>and coupling </em><em>γ</em><em> parameters of the model. The constraints are derived through a Monte Carlo Markov Chain analysis of the data, yielding refined estimates that sharpen our understanding of black-hole behaviour within the Dyonic ModMax framework.</em></p>
: Quasi-periodic oscillationsDyonic ModMaxMCMCRP modellower frequencyupper frequency: Quasi-periodic oscillationsDyonic ModMaxMCMCRP model
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