We find a clear correlation among the maximum temperature Tmax (K), the pressure p (dyn cm-2) and the length L (cm) of 32 steady coronal loop structures observed with Yohkoh Soft X-Ray Telescope: Tmax = 3.8 × 104 (pL)1/(5.1±0.5). The best-fit equation, however, systematically deviates from the theoretical scaling law Tmax = 1.4 × 103 (pL)1/3 derived by Rosner, Tucker, & Vaiana. We examine various possibilities for the cause of the discrepancy.
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Kano et al. (1995) studied this question.
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