The first four QNM frequencies () of the Schwarzschild black hole for = 2, 3, and 4 . The frequencies are given in geometrical units and for conversion into kHz one should multiply by .
Typical values of the frequencies and the damping times of various families of modes for a polytropic star () with and are given. is the first -mode, is the first -mode , stands for the first curvature mode and for the slowest damped interface mode. For this stellar model there are no trapped modes.
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