CRIRES+ transmission spectroscopy of WASP-127 b - Detection of the resolved signatures of a supersonic equatorial jet and cool poles in a hot planet

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Volume 693 (January 2025)

A&A, 693 (2025) A213

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Table 4

Results of the atmospheric retrieval.

Parameter	Prior range	Median value	Mode	Mode precision	Unit
T_b	[100, 3000]	${1174.97}_{- 119.25}^{+ 49.07}$ $1174.97_{ - 119.25}^{ + 49.07}$	1210	10	K
log₁₀(P_c,b)	[−5.9, 2]	$- {2.16}_{- 0.38}^{+ 0.42}$ $- 2.16_{ - 0.38}^{ + 0.42}$	−2.3	0.1	log₁₀(bar)
T_r	[100, 3000]	${977.67}_{- 120.94}^{+ 117.38}$ $977.67_{ - 120.94}^{ + 117.38}$	950	10	K
log₁₀(P_c,r)	[−5.9, 2]	$- {2.31}_{- 0.49}^{+ 0.53}$ $- 2.31_{ - 0.49}^{ + 0.53}$	−2.4	0.1	log₁₀(bar)
T_p	[100, 3000]	${465.01}_{- 123.81}^{+ 413.54}$ $465.01_{ - 123.81}^{ + 413.54}$	410	10	K
log₁₀(P_c,p)	[−5.9, 2]	$- {0.41}_{- 2.96}^{+ 1.76}$ $- 0.41_{ - 2.96}^{ + 1.76}$	1.9	0.1	log₁₀(bar)
C/O	[0,1.5]	$- {0.56}_{- 0.07}^{+ 0.05}$ $- 0.56_{ - 0.07}^{ + 0.05}$	0.56	0.01	…
[Fe/H]	[−5, 5]	${0.01}_{- 0.39}^{+ 0.36}$ $0.01_{ - 0.39}^{ + 0.36}$	0.07	0.01	…
veq	[1, 15]	${9.26}_{- 0.21}^{+ 0.17}$ $9.26_{ - 0.21}^{ + 0.17}$	9.4	0.1	km s⁻¹
vp	[1.6, veq]	${5.12}_{- 1.39}^{+ 2.69}$ $5.12_{ - 1.39}^{ + 2.69}$	4	1	km s⁻¹
^φ	[1, 89]	${64.61}_{- 3.98}^{+ 3.75}$ $64.61_{ - 3.98}^{ + 3.75}$	65	1	°
K_p	[70, 230]	$133_{- 1.88}^{+ 2.02}$ $133_{ - 1.88}^{ + 2.02}$	133.6	0.1	km s⁻¹
v₀	[−6, 6]	$- {0.40}_{- 0.14}^{+ 0.14}$ $- 0.40_{ - 0.14}^{ + 0.14}$	−0.4	0.1	km s⁻¹
β	[0.0001,1000]	${0.60894}_{- 0.0004}^{+ 0.0004}$ $0.60894_{ - 0.0004}^{ + 0.0004}$	0.609	0.001	…

Notes. For the temperatures T and cloud top pressures log₁₀(P_c) the index b stands for blueshifted signal, r for redshifted signal, and p for polar regions. The uncertainties quoted with the median value correspond to the 16th and 84th percentiles. We also list the mode of each distribution (with the distribution values rounded to the precision quoted).

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