Inferring physical parameters of solar filaments from simultaneous longitudinal and transverse oscillations

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Table 2.

Transverse oscillation parameters and inferred flux-tube properties.

Reference	P_t [min]	L_u [Mm]	L_G [Mm]	L_γ [Mm]	r [Mm]	ϕ_u	ϕ_G	ϕ_g
(1)	17	550 $_{- 225}^{+ 575}$ $Mathematical equation: $ ^{+575}_{-225} $$	500 $_{- 225}^{+ 575}$ $Mathematical equation: $ ^{+575}_{-225} $$	475 $_{- 225}^{+ 550}$ $Mathematical equation: $ ^{+550}_{-225} $$	159	1.1	0.9	1.0
(2)	16.6	69 $_{- 40}^{+ 114}$ $Mathematical equation: $ ^{+114}_{-40} $$	41 $_{- 20}^{+ 112}$ $Mathematical equation: $ ^{+112}_{-20} $$	43 $_{- 18}^{+ 104}$ $Mathematical equation: $ ^{+104}_{-18} $$	8	2.6	1.6	1.6

Notes. References, transverse oscillation period (P_t), prominence flux-tube half length inferred using uniform (L_u), Gaussian (L_G), and gamma (L_γ) magnetic-field priors, radius of curvature (r) of the magnetic dip, and the associated flux-rope twist number (ϕ), with uncertainties quoted at the 68% credible interval. (1) Mazumder et al. (2020); (2) Pan et al. (2025).

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