Fig. 3.
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OH megamaser emission from IRAS 02524+2046 observed by FAST during two observation sessions. Top panels: Stokes I spectra aligned by heliocentric velocity for the OH ground-state transitions. The vertical offsets are applied for clarity. Middle panels: Linear polarization spectra for the 1665 MHz and 1667 MHz OH megamaser lines. Bottom panels: Circular polarization spectra for both OH transitions.
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