A super-Earth and a sub-Neptune orbiting the bright, quiet M3 dwarf TOI-1266

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Volume 642 (October 2020)

A&A, 642 (2020) A49

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Table 6

Global model fitted results along with mass and eccentricity estimates from the TTV analysis (see Sect. 5.2.1).

Parameter	TOI-1266 b	TOI-1266 c
Transit fitted parameters

Transit depth,		0.00120 ± 0.00017

Transit duration, T₁₄ (days)

Impact parameter, b	0.38 ± 0.12

Mid-transit time, T₀ (BJD_TDB)

Orbital period, P (days)

Tr. depth diff.,		0.00089 ± 0.00063

Tr. depth diff.,

Tr. depth diff., δ_{TESS-TRAPPIST-N,V}

Tr. depth diff.,	0.00049 ± 0.00120

Tr. depth diff., δ_TESS-OAA,Ic

Tr. depth diff., δ_{TESS-ZRO,clear}

Tr. depth diff., δ_{TESS-Kotizarovci,TESSband}

Physical and orbital parameters

Planet radius, R_p (R_⊕)

Semi-major axis, a_p (au)

Orbital inclination, i_p (deg)

Irradiation, S_p (S_⊕)

Equilibrium temperature, T_eq (K)	413 ± 20	344 ± 16

Planet mass (TTV), M_p (M_⊕)	(<36.8 at 2-σ)	(<5.7 at 2-σ)

Orbital eccentricity (TTV), e	(<0.21 at 2-σ)	0.04 ± 0.03 (<0.10 at 2-σ)

Notes. For each parameter, we indicate the median of the posterior distribution function, along with the 1-σ credible intervals. The equilibrium temperature corresponds to a case with null Bond albedo and no heat recirculation from the day side to the nightside hemispheres of the planet.

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