The evolution of the Md–M⋆ and Ṁ–M⋆ correlations traces protoplanetary disc dispersal

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Table 1

Summary and description of the parameters used throughout the paper.

Parameter	Description
λ	Magnetic lever arm parameter
ψ	Wind-to-turbulent α ratio
ω	Power-law index of α_DW with ∑_c
ξ	Mass ejection index
f_M,0	Initial mass ejection-to-accretion ratio

λ_m	Power-law index of M_d with M_* (Eq. (3))
λ_acc	Power-law index of $\dot{M}$ $\[\dot{M}\]$ with M_* (Eq. (3))
ζ	Power-law index of R_d with M_* (Eq. (3))
β	Power-law index of H/R with M_*
μ	Power-law index of t_acc with M_*
δ	λ_m − λ_acc

Notes. The top block refers to the MHD parameters defined in Tabone et al. (2022a), while the bottom block shows the slopes of the correlations between the disc properties and the stellar mass.

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