Characterization of two new transiting sub-Neptunes and a terrestrial planet around M-dwarf hosts

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Table 2

Results of the joint fit models for the planets.

Parameter	TOI-1243 b	TOI-4529 b	TOI-5388 b
		Fitted parameters
R_p / R_s	$0 . 0418_{- 0.0008}^{+ 0.0011}$ $Mathematical equation: $0.0418_{-0.0008}^{+0.0011}$$	$0 . 0338_{- 0.0008}^{+ 0.0009}$ $Mathematical equation: $0.0338_{-0.0008}^{+0.0009}$$	$0 . 0305_{- 0.0010}^{+ 0.0017}$ $Mathematical equation: $0.0305_{-0.0010}^{+0.0017}$$
P (d)	$4 . 6594779_{- 0.0000045}^{+ 0.0000042}$ $Mathematical equation: $4.6594779_{-0.0000045}^{+0.0000042}$$	$5 . 879577_{- 0.000010}^{+ 0.000011}$ $Mathematical equation: $5.879577_{-0.000010}^{+0.000011}$$	$2 . 5946748_{- 0.0000030}^{+ 0.0000042}$ $Mathematical equation: $2.5946748_{-0.0000030}^{+0.0000042}$$
T₀ (BJD)	$2459369 . 83103_{- 0.00027}^{+ 0.00028}$ $Mathematical equation: $2459369.83103_{-0.00027}^{+0.00028}$$	$2459701 . 3329_{+ 0.0006}^{+ 0.0006}$ $Mathematical equation: $2459701.3329_{+0.0006}^{+0.0006}$$	$2459348 . 07817_{- 0.00055}^{+ 0.00052}$ $Mathematical equation: $2459348.07817_{-0.00055}^{+0.00052}$$
a / R_s(−)	$25 . 5_{- 2.3}^{+ 1.9}$ $Mathematical equation: $25.5_{-2.3}^{+1.9}$$	$21 . 5_{- 2.9}^{+ 1.2}$ $Mathematical equation: $21.5_{-2.9}^{+1.2}$$	$20 . 5_{- 4.6}^{+ 1.9}$ $Mathematical equation: $20.5_{-4.6}^{+1.9}$$
b(−)	0.78 ± 0.04	0.32 ± 0.20	$0 . 43_{- 0.28}^{+ 0.29}$ $Mathematical equation: $0.43_{-0.28}^{+0.29}$$
K(m s⁻¹)	4.6 ± 0.9	$0 . 95_{- 0.79}^{+ 0.58}$ $Mathematical equation: $0.95_{-0.79}^{+0.58}$$	$0 . 44_{- 0.30}^{+ 0.48}$ $Mathematical equation: $0.44_{-0.30}^{+0.48}$$
γ(m s⁻¹)	0.0 ± 2.0	…	$- 0 . 4_{- 1.8}^{+ 2.2}$ $Mathematical equation: $-0.4_{-1.8}^{+2.2}$$
$\dot{γ} (m s^{- 1} d^{- 1})$ $Mathematical equation: $\dot{\gamma}\left(\mathrm{m} \mathrm{s}^{-1} \mathrm{~d}^{-1}\right)$$	$0 . 0000046_{- 0.0000028}^{+ 0.000027}$ $Mathematical equation: $0.0000046_{-0.0000028}^{+0.000027}$$	…	$- 0 . 0000001_{- 0.0000013}^{+ 0.000014}$ $Mathematical equation: $-0.0000001_{-0.0000013}^{+0.000014}$$
$\ddot{γ} (m s^{- 1} d^{- 2})$ $Mathematical equation: $\ddot{\gamma}\left(\mathrm{m} \mathrm{s}^{-1} \mathrm{~d}^{-2}\right)$$	−0.0084 ± 0.0053	…	$0 . 0004_{- 0.0032}^{+ 0.0030}$ $Mathematical equation: $0.0004_{-0.0032}^{+0.0030}$$
J(m s⁻¹)	$2 . 6_{- 0.6}^{+ 0.7}$ $Mathematical equation: $2.6_{-0.6}^{+0.7}$$	$1 . 5_{- 0.9}^{+ 0.8}$ $Mathematical equation: $1.5_{-0.9}^{+0.8}$$	$2 . 4_{- 0.5}^{+ 0.6}$ $Mathematical equation: $2.4_{-0.5}^{+0.6}$$
B_GP (m s⁻¹)	…	$19_{- 5}^{+ 4}$ $Mathematical equation: $19_{-5}^{+4}$$	…
C_GP (−)	…	$0 . 3_{- 0.3}^{+ 0.8}$ $Mathematical equation: $0.3_{-0.3}^{+0.8}$$	…
L_GP (d)	…	$40_{- 26}^{+ 34}$ $Mathematical equation: $40_{-26}^{+34}$$	…
P_rot (d)	…	20.9 ± 0.8	…
Derived parameters
R_p(R_⊕)	2.33 ± 0.12	$1 . 77_{- 0.08}^{+ 0.09}$ $Mathematical equation: $1.77_{-0.08}^{+0.09}$$	$0 . 99_{- 0.06}^{+ 0.07}$ $Mathematical equation: $0.99_{-0.06}^{+0.07}$$
M_p(M_⊕)	7.7 ± 1.5	<4.9 (3σ)	< 2.2(3σ)
ρ_p(g cm⁻³)	3.3 ± 0.9	<4.8 (3σ)	<11.9 (3σ)
ρ_p(ρ_⊕)	0.61 ± 0.15	<0.88 (3σ)	<2.2 (3σ)
i (deg)	$88 . 24_{- 0.28}^{+ 0.20}$ $Mathematical equation: $88.24_{-0.28}^{+0.20}$$	$88 . 7_{- 0.8}^{+ 0.9}$ $Mathematical equation: $88.7_{-0.8}^{+0.9}$$	$88 . 8_{- 1.4}^{+ 0.8}$ $Mathematical equation: $88.8_{-1.4}^{+0.8}$$
T_eq(K)^(a)	$450_{- 19}^{+ 22}$ $Mathematical equation: $450_{-19}^{+22}$$	$511_{- 15}^{+ 34}$ $Mathematical equation: $511_{-15}^{+34}$$	$488_{- 25}^{+ 54}$ $Mathematical equation: $488_{-25}^{+54}$$
a / R_S (Keplerian) ^(b)	18.42 ± 0.32	22.39 ± 0.36	17.57 ± 0.36

Notes. ^(a) Assuming A_bond=0.3. ^(b) Semi-major axis of the planet orbits, calculated from the stellar masses using the Kepler equation.

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