Titanium chemistry of WASP-121 b with ESPRESSO in 4-UT mode

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Table 2

Fixed planetary, stellar, orbital, and atmospheric parameters.

Parameter	Value	Unit	Reference
Planetary radius R_p	1.753 ± 0.036	R_Jup	Bourrier et al. (2020)
Planetary mass M_p	1.157 ± 0.070	M_Jup	Bourrier et al. (2020)
Planetary surface gravity log g_p	3.0± 1.8	cm s⁻²	Derived
Orbital period P	${1.27492504}_{- 0.00000014}^{+ 0.00000015}$ $1.27492504_{ - 0.00000014}^{ + 0.00000015}$	days	Bourrier et al. (2020)
Orbital inclination i	88.49 ± 0.16	deg	Bourrier et al. (2020)
Scaled semi-major axis a/R_⋆	${3.8131}_{- 0.0060}^{+ 0.0075}$ $3.8131_{ - 0.0060}^{ + 0.0075}$		Bourrier et al. (2020)
Semi-major axis a	0.024826 ± 0.000890	au	Derived
Orbital velocity v_orb	211.8 ±7.6	km s⁻¹	Derived
Systemic velocity v_sys	38.64 ± 0.06	km s⁻¹	Seidel et al. (2024)
Radial velocity semi-amplitude K	${0.177}_{- 0.0081}^{+ 0.0085}$ $0.177_{ - 0.0081}^{ + 0.0085}$	km s⁻¹	Bourrier et al. (2020)
Stellar radius R_⋆	1.40 ± 0.05	R_⊙	This work
Stellar mass M_⋆	1.42 ± 0.03	M_⊙	This work

Notes. Most important orbital, planetary, and stellar parameters used in this study.

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