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Using intermediate degree p mode frequency data sets for solar cycle 22, wefind that the frequency shifts and magnetic indices show a `hysteresis'phenomenon. It is observed that the magnetic indices follow different paths forthe ascending and descending phases of the solar cycle, the descending pathalways seems to follow a higher track than the ascending one. However, for theradiative indices, the paths cross each other indicating phase reversal.

Analysis of hysteresis effect in p mode frequency shifts and solar activity indices