Peering above the clouds of the warm Neptune GJ 436 b with CRIRES+

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Volume 688 (August 2024)

A&A, 688 (2024) A191

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Table 1

Parameters of the GJ 436 system used in our analysis.

Parameter	Value	Ref
P [days]	2.64388561055203 ± 0.00003158837	1
T₀ [BJD]	2459 639.96333 ± 0.00018952927	1
T_d [h]	1.009 ± 0.034	2
e	0.145 ± 0.027	3
i [deg]	${86.858}_{- 0.052}^{+ 0.049}$ $\[86.858_{-0.052}^{+0.049}\]$	4
R_p [R_Jup]	0.3739 ± 0.0097	5
M_p [M_J_up]	0.0669 ± 0.0022	3
R_s [R_⊙]	0.416843 ± 0.0075623	3
M_s [M_⊙]	0.4411671425335 ± 0.00938690255671	3
υ_sys [km s⁻¹]	9.59 ± 0.8	6
T_eq [K]	686 ± 10	5
ω_p [deg]	${145.8}_{- 5.7}^{+ 5.4}$ $\[145.8_{-5.7}^{+5.4}\]$	7

Notes. We use the period P, transit midpoint T₀, transit duration T_d, eccentricity e, inclination i, planetary radius R_p, planetary mass M_p, stellar radius R_s, stellar mass M_s, system radial velocity υ_sys, planetary equilibrium temperature T_eq, and planetary argument of periastron ω_p from the following references, numbered in the third column: (1) Ricker et al. (2015), (2) Baluev et al. (2015), (3) Rosenthal et al. (2021), (4) Bourrier et al. (2018), (5) Turner et al. (2016), (6) Fouqué et al. (2018), (7) Trifonov et al. (2018).

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