Revisiting the dynamical masses of the transiting planets in the young AU Mic system: Potential AU Mic b inflation at ~20 Myr

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Table B.1

Transit-fit parameters for the alternative transit model for AU Mic b and c.

Parameter	Prior	Posterior (e = 0)
$R_{p}^{b} / R_{⋆}_{TESS,1}$ ${R_p^b/{R_ \star }{{\rm{}}_{{\rm{TESS,1}}}}}$	𝒰(0, 0.1)	${0.0486}_{- 0.0005}^{+ 0.0005}$ ${0.0486_{ - 0.0005}^{ + 0.0005}}$
$R_{p}^{b} / R_{⋆}_{TESS,3}$ ${R_p^b/{R_ \star }{{\rm{}}_{{\rm{TESS,3}}}}{\rm{}}}$	𝒰(0, 0.1)	${0.0563}_{- 0.0005}^{+ 0.0005}$ ${0.0563_{ - 0.0005}^{ + 0.0005}}$
$R_{p}^{b} / R_{⋆}_{TESS, 85}$ ${R_p^b/{R_ \star }{{\rm{}}_{{\rm{TESS,}}85}}}$	𝒰(0, 0.1)	${0.0540}_{- 0.0003}^{+ 0.0003}$ ${0.0540_{ - 0.0003}^{ + 0.0003}}$
$R_{p}^{b} / R_{⋆}_{TESS, 86}$ ${R_p^b/{R_ \star }{{\rm{}}_{{\rm{TESS,}}86}}}$	𝒰(0, 0.1)	${0.0525}_{- 0.0003}^{+ 0.0003}$ ${0.0525_{ - 0.0003}^{ + 0.0003}}$
$R_{p}^{b} / R_{⋆}_{TESS, 87}$ ${R_p^b/{R_ \star }{{\rm{}}_{{\rm{TESS}},87}}}$	𝒰(0, 0.1)	${0.0569}_{- 0.0003}^{+ 0.0003}$ ${0.0569_{ - 0.0003}^{ + 0.0003}}$
$R_{p}^{b} / R_{⋆}_{CHEOPS, 85}$ ${R_p^b/{R_ \star }{{\rm{}}_{{\rm{CHEOPS}},85}}}$	𝒰(0, 0.1)	${0.0588}_{- 0.0001}^{+ 0.0001}$ ${0.0588_{ - 0.0001}^{ + 0.0001}}$
$R_{p}^{b} / R_{⋆}_{CHEOPS, 90}$ ${R_p^b/{R_ \star }{{\rm{}}_{{\rm{CHEOPS}},90}}}$	𝒰(0, 0.1)	${0.0528}_{- 0.0001}^{+ 0.0001}$ ${0.0528_{ - 0.0001}^{ + 0.0001}}$
$R_{p}^{b} / R_{⋆}_{CHEOPS, 94}$ ${R_p^b/{R_ \star }{{\rm{}}_{{\rm{CHEOPS}},94}}}$	𝒰(0, 0.1)	${0.0526}_{- 0.0001}^{+ 0.0001}$ ${0.0526_{ - 0.0001}^{ + 0.0001}}$
$R_{p}^{b} / R_{⋆}_{CHEOPS, 130}$ ${R_p^b/{R_ \star }{{\rm{}}_{{\rm{CHEOPS}},130}}}$	𝒰(0, 0.1)	${0.0406}_{- 0.0002}^{+ 0.0002}$ ${0.0406_{ - 0.0002}^{ + 0.0002}}$
$R_{p}^{b} / R_{⋆}_{CHEOPS, 132}$ ${R_p^b/{R_ \star }{{\rm{}}_{{\rm{CHEOPS}},132}}}$	𝒰(0, 0.1)	${0.0460}_{- 0.0002}^{+ 0.0002}$ ${0.0460_{ - 0.0002}^{ + 0.0002}}$
$R_{p}^{b} / R_{⋆}_{CHEOPS, 134}$ ${R_p^b/{R_ \star }{{\rm{}}_{{\rm{CHEOPS}},134}}}$	𝒰(0, 0.1)	${0.0480}_{- 0.00002}^{+ 0.00002}$ ${0.0480_{ - 0.00002}^{ + 0.00002}}$
$R_{p}^{b} / R_{⋆}_{CHEOPS, 135}$ ${R_p^b/{R_ \star }{{\rm{}}_{{\rm{CHEOPS}},135}}}$	𝒰(0, 0.1)	${0.0415}_{- 0.00002}^{+ 0.00002}$ ${0.0415_{ - 0.00002}^{ + 0.00002}}$
$T_{c, TESS, 1}^{b} [BJD]$ ${T_{c,{\rm{TESS}},1}^b[{\rm{BJD}}]}$	𝒩(2458330.4, 0.1)	${2458330.38900}_{- 0.00068}^{+ 0.00068}$ ${2458330.38900_{ - 0.00068}^{ + 0.00068}}$
$T_{c, TESS, 3}^{b} [BJD]$ ${T_{c,{\rm{TESS}},3}^b[{\rm{BJD}}]}$	𝒩(2458347.3, 0.1)	${2458347.31777}_{- 0.00050}^{+ 0.00050}$ ${2458347.31777_{ - 0.00050}^{ + 0.00050}}$
$T_{c, TESS, CHEOPS, 85}^{b} [BJD]$ ${T_{c,{\rm{TESS}},{\rm{CHEOPS}},85}^b[{\rm{BJD}}]}$	𝒩(2459041.3, 0.1)	${2459041.28213}_{- 0.00022}^{+ 0.00022}$ ${2459041.28213_{ - 0.00022}^{ + 0.00022}}$
$T_{c, TESS, 86}^{b} [BJD]$ ${T_{c,{\rm{TESS}},86}^b[{\rm{BJD}}]}$	𝒩(2459049.8, 0.1)	${2459049.74498}_{- 0.00030}^{+ 0.00030}$ ${2459049.74498_{ - 0.00030}^{ + 0.00030}}$
$T_{c, TESS, 87}^{b} [BJD]$ ${T_{c,{\rm{TESS}},87}^b[{\rm{BJD}}]}$	𝒩(2459058.2, 0.1)	${2459058.19806}_{- 0.000049}^{+ 0.000055}$ ${2459058.19806_{ - 0.000049}^{ + 0.000055}}$
$T_{c, CHEOPS, 90}^{b} [BJD]$ ${T_{c,{\rm{CHEOPS}},90}^b[{\rm{BJD}}]}$	𝒩(2459083.6, 0.1)	${2459083.59710}_{- 0.00014}^{+ 0.00014}$ ${2459083.59710_{ - 0.00014}^{ + 0.00014}}$
$T_{c, CHEOPS, 94}^{b} [BJD]$ ${T_{c,{\rm{CHEOPS}},94}^b[{\rm{BJD}}]}$	𝒩(2459117.5, 0.1)	${2459117.45137}_{- 0.00018}^{+ 0.00018}$ ${2459117.45137_{ - 0.00018}^{ + 0.00018}}$
$T_{c, CHEOPS, 130}^{b} [BJD]$ ${T_{c,{\rm{CHEOPS}},130}^b[{\rm{BJD}}]}$	𝒩(2459422.1, 0.1)	${2459422.13341}_{- 0.00035}^{+ 0.00034}$ ${2459422.13341_{ - 0.00035}^{ + 0.00034}}$
$T_{c, CHEOPS, 132}^{b} [BJD]$ ${T_{c,{\rm{CHEOPS}},132}^b[{\rm{BJD}}]}$	𝒩(2459439.1, 0.1)	${2459439.05936}_{- 0.00023}^{+ 0.00023}$ ${2459439.05936_{ - 0.00023}^{ + 0.00023}}$
$T_{c, CHEOPS, 134}^{b} [BJD]$ ${T_{c,{\rm{CHEOPS}},134}^b[{\rm{BJD}}]}$	𝒩(2459456.0, 0.1)	${2459455.98972}_{- 0.00017}^{+ 0.00017}$ ${2459455.98972_{ - 0.00017}^{ + 0.00017}}$
$T_{c, CHEOPS, 135}^{b} [BJD]$ ${T_{c,{\rm{CHEOPS}},135}^b[{\rm{BJD}}]}$	𝒩(2459464.5, 0.1)	${2459464.45412}_{- 0.00025}^{+ 0.00025}$ ${2459464.45412_{ - 0.00025}^{ + 0.00025}}$
P^b[d]	fixed	8.463446
b^b	𝒰(0, 1)	${0.45}_{- 0.01}^{+ 0.01}$ $0.45_{ - 0.01}^{ + 0.01}$
$R_{p}^{c} / R_{⋆ TESS, 1}$ ${R_p^c/{R_{ \star {\rm{TESS}},1}}}$	𝒰(0, 0.1)	${0.0367}_{- 0.0006}^{+ 0.0006}$ ${0.0367_{ - 0.0006}^{ + 0.0006}}$
$R_{p}^{c} / R_{⋆ TESS, 38}$ ${R_p^c/{R_{ \star {\rm{TESS,}}38}}}$	𝒰(0, 0.1)	${0.0443}_{- 0.0008}^{+ 0.0009}$ ${0.0443_{ - 0.0008}^{ + 0.0009}}$
$R_{p}^{c} / R_{⋆}_{TESS,39}$ ${R_p^c/{R_ \star }{{\rm{}}_{{\rm{TESS,39}}}}{\rm{}}}$	𝒰(0, 0.1)	${0.0369}_{- 0.0005}^{+ 0.0005}$ ${0.0369_{ - 0.0005}^{ + 0.0005}}$
$R_{p}^{c} / R_{⋆}_{CHEOPS,59}$ ${R_p^c/{R_ \star }{{\rm{}}_{{\rm{CHEOPS,59}}}}{\rm{}}}$	𝒰(0, 0.1)	${0.0315}_{- 0.0003}^{+ 0.0003}$ ${0.0315_{ - 0.0003}^{ + 0.0003}}$
$R_{p}^{c} / R_{⋆}_{CHEOPS,60}$ ${R_p^c/{R_ \star }{{\rm{}}_{{\rm{CHEOPS,60}}}}{\rm{}}}$	𝒰(0, 0.1)	${0.0302}_{- 0.0003}^{+ 0.0003}$ ${0.0302_{ - 0.0003}^{ + 0.0003}}$
$T_{c, TESS, 1}^{c} [BJD]$ ${T_{c,{\rm{TESS}},1}^c[{\rm{BJD}}]}$	𝒩(2458342.2, 0.1)	${2458342.22052}_{- 0.00143}^{+ 0.00173}$ ${2458342.22052_{ - 0.00143}^{ + 0.00173}}$
$T_{c, TESS,38}^{c} [BJD]$ ${T_{c,{\rm{TESS,38}}}^c[{\rm{BJD}}]}$	𝒩(2459040.0, 0.1)	${2459040.00385}_{- 0.00082}^{+ 0.00078}$ ${2459040.00385_{ - 0.00082}^{ + 0.00078}}$
$T_{c, TESS, 39}^{c} [BJD]$ ${T_{c,{\rm{TESS}},39}^c[{\rm{BJD}}]}$	𝒩(2459058.9, 0.1)	${2459058.87122}_{- 0.00102}^{+ 0.00099}$ ${2459058.87122_{ - 0.00102}^{ + 0.00099}}$
$T_{c, CHEOPS, 59}^{c} [BJD]$ ${T_{c,{\rm{CHEOPS}},59}^c[{\rm{BJD}}]}$	𝒩(2459436.0, 0.1)	${2459436.03801}_{- 0.00122}^{+ 0.00100}$ ${2459436.03801_{ - 0.00122}^{ + 0.00100}}$
$T_{c, CHEOP, 60}^{c} [BJD]$ ${T_{c,{\rm{CHEOP}},60}^c[{\rm{BJD}}]}$	𝒩(2459454.9, 0.1)	${2459454.89591}_{- 0.00047}^{+ 0.00048}$ ${2459454.89591_{ - 0.00047}^{ + 0.00048}}$
P^c[d]	fixed	18.859023
b^c	𝒰(0, 1)	${0.65}_{- 0.01}^{+ 0.01}$ $0.65_{ - 0.01}^{ + 0.01}$

γ_TESs[ppt]	𝒰(-3σ_TESS, 3σ_TESS)	${0.01}_{- 0.01}^{+ 0.01}$ ${0.01_{ - 0.01}^{ + 0.01}}$
σ_jit,TESS,120[ppt]	𝒰(0, 3σ_TESS,120)	${0.39}_{- 0.01}^{+ 0.01}$ ${0.39_{ - 0.01}^{ + 0.01}}$
σ_jit,TESS,20[ppt]	𝒰(0, 3σ_TESS,30)	${0.52}_{- 0.01}^{+ 0.01}$ ${0.52_{ - 0.01}^{ + 0.01}}$
q_1,TESS	𝒩(0.29, 0.01)	${0.30}_{- 0.01}^{+ 0.01}$ ${0.30_{ - 0.01}^{ + 0.01}}$
q_2,TESS	𝒩(0.31, 0.01)	${0.30}_{- 0.01}^{+ 0.01}$ ${0.30_{ - 0.01}^{ + 0.01}}$
γ_CHEOPS[ppt]	𝒰(-3σ_CHEOPS, 3σ_CHEOPS)	$- {0.03}_{- 0.01}^{+ 0.01}$ ${ - 0.03_{ - 0.01}^{ + 0.01}}$
σ_{jit,CHEOPS,15} [ppt]	𝒰(0, 3σ_CHEOPS,15)	${0.19}_{- 0.01}^{+ 0.01}$ ${0.19_{ - 0.01}^{ + 0.01}}$
σ_jit,CHEOPS,3[ppt]	𝒰(0, 3σ_CHEOPS,3)	${0.52}_{- 0.01}^{+ 0.01}$ ${0.52_{ - 0.01}^{ + 0.01}}$
q_1,CHEOPS	𝒩(0.42, 0.01)	${0.42}_{- 0.01}^{+ 0.01}$ ${0.42_{ - 0.01}^{ + 0.01}}$
q_2,CHEOPS	𝒩(0.33, 0.01)	${0.32}_{- 0.01}^{+ 0.01}$ ${0.32_{ - 0.01}^{ + 0.01}}$

Notes. The prior label of 𝒩 and 𝒰 represent normal and uniform distributions, respectively. In the planetary parameters, the subscripts represent the instrument and the epoch of the transit. In the σjit parameters, the subscripts represent the instrument and the exposure time of the data.

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