Atmospherix - III. Estimating the C/O ratio and molecular dynamics at the limbs of WASP-76 b with SPIRou

Open Access

Table 1

Adopted WASP-76 system parameters.

Stellar parameters	Value	Reference
Mass (M_⊙)	1.458 ± 0.021	Ehrenreich et al. (2020)
Radius (R_⊙)	1.756 ± 0.071	Ehrenreich et al. (2020)
Effective temperature (K)	6 329 ± 65	Ehrenreich et al. (2020)
Metallicity [Fe/H]	0.366 ± 0.053	Ehrenreich et al. (2020)
RV semi-amplitude (m s⁻¹)	${116.02}_{- 1.35}^{+ 1.29}$ $116.02_{ - 1.35}^{ + 1.29}$	Ehrenreich et al. (2020)
Systemic velocity (V_c; km s⁻¹)	−1.11 ± 0.50	Soubiran et al. (2018)
Limb darkening (Quadratic)	[0.393,219]	Ehrenreich et al. (2020)

Planetary parameters	value	Reference
Epoch of transit (T₀)	2 457 273.4191 ± 0.0005	Kokori et al. (2022)
Orbital period (days)	1.8098806 ± 0.0000007	Kokori et al. (2022)
Mass (M_J)	${0.894}_{- 0.013}^{+ 0.014}$ $0.894_{ - 0.013}^{ + 0.014}$	Ehrenreich et al. (2020)
Radius (R_J)	${1.856}_{- 0.076}^{+ 0.077}$ $1.856_{ - 0.076}^{ + 0.077}$	Ehrenreich et al. (2020)
g (m s⁻²)	6.4 ± 0.5	Ehrenreich et al. (2020)
Planet RV semi-amplitude (km s⁻¹)	196.52 ± 0.94	Ehrenreich et al. (2020)
Semi-major axis (au)	0.033 ± 0.0002	Ehrenreich et al. (2020)
Inclination (deg)	${89.623}_{- 0.034}^{+ 0.005}$ $89.623_{ - 0.034}^{ + 0.005}$	Ehrenreich et al. (2020)
Eccentricity	0.0 (fixed)	Ehrenreich et al. (2020)
Argument of the periapsis	0.0 (fixed)	Ehrenreich et al. (2020)
Transit duration (h)	3.694 ± 0.019	West et al. (2016)

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.