Confirmation of the hot super-Neptune TOI-672 b with NIRPS and HARPS - Insights into the Neptunian desert around M dwarfs

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Table 3

Transit, orbital, and physical parameters of the planet TOI-672 b.

Planet parameters		(Unit)	Value	Source
Period	P	(days)	3.633581 ± 0.000001	Joint fit
Full transit duration	T_dur	(hours)	1.80 ± 0.02	Joint fit (derived)
Reference time of midtransit	t₀	(BJD-2 457 000)	1546.4796 ± 0.0003	Joint fit
Radius	R_p	(R_⊕)	${5.31}_{- 0.26}^{+ 0.24}$ $Mathematical equation: $5.31^{+0.24}_{-0.26}$$	Joint fit
Planet-to-star radius ratio	R_p/R_*		${0.0893}_{- 0.0010}^{+ 0.0009}$ $Mathematical equation: $0.0893^{+0.0009}_{-0.0010}$$	Joint fit (derived)
Impact parameter	b		${0.51}_{- 0.07}^{+ 0.05}$ $Mathematical equation: $0.51^{+0.05}_{-0.07}$$	Joint fit
Inclination	i	(°)	${88.0}_{- 0.3}^{+ 0.4}$ $Mathematical equation: $88.0^{+0.4}_{-0.3}$$	Joint fit
Eccentricity	e		0 (fixed)	Joint fit
Argument of periastron	ω	(°)	0 (fixed)	Joint fit
Radial velocity semi-amplitude	K	(ms⁻¹)	${32.0}_{- 2.5}^{+ 2.6}$ $Mathematical equation: $32.0^{+2.6}_{-2.5}$$	Joint fit
Mass	M_p	(M_⊕)	${50.9}_{- 4.4}^{+ 4.5}$ $Mathematical equation: $50.9^{+4.5}_{-4.4}$$	Joint fit (derived)
Bulk density	ρ	(g cm⁻³)	${1.86}_{- 0.26}^{+ 0.34}$ $Mathematical equation: $1.86^{+0.34}_{-0.26}$$	Joint fit (derived)
Semi-major axis	a	(AU)	0.0376 ± 0.0007	Joint fit (derived)
System scale	a/R_*		${14.8}_{- 0.5}^{+ 0.6}$ $Mathematical equation: $14.8^{+0.6}_{-0.5}$$	Joint fit (derived)
Equilibrium temperature_*	T_eq	(K)	${699.5}_{- 15.5}^{+ 14.5}$ $Mathematical equation: $699.5^{+14.5}_{-15.5}$$	Joint fit (derived)
Bolometric instellation	S_bol	(S_bol,⊕)	39.8±3.4	Joint fit (derived)

Notes. ^*Equilibrium temperature is calculated assuming full heat redistribution and an albedo of 0. Further parameters from the joint fit model can be found in Table D.1.

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