Densities of small planets around the M dwarfs TOI-4336 A and TOI-4342 with ESPRESSO - Three sub-Neptunes, one super-Earth, and a Neptune-mass candidate

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Volume 708 (April 2026)

A&A, 708 (2026) A81

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Table A.2

Stellar parameters for TOI-4336 A and TOI-4342.

	TOI-4336 A	TOI-4342	Reference
Identifiers
TIC ID	166184428	354944123	TICv8
2MASS ID	J13442546-4020155	J21373286-7758435	2MASS
Gaia ID	6113245033656232448	6355915466181029376	Gaia DR3
Astrometric parameters
Right ascension (J2000), α	13^h 44^m 25.69^s	21^h 37^m 33.48^s	Gaia DR3
Declination (J2000), δ	−40^° 20^′ 14.43^′′	−77^° 58^′ 44.97^′′	Gaia DR3
Parallax (mas)	44.53 ± 0.04	16.25 ± 0.02	Gaia DR3
Distance (pc)	22.47 ± 0.02	61.54 ± 0.07	Gaia DR3
μ_R.A. (mas yr⁻¹)	151.81 ± 0.03	120.33 ± 0.02	Gaia DR3
μ_Dec (mas yr⁻¹)	68.40 ± 0.03	−91.50 ± 0.02	Gaia DR3
V_syst (km s⁻¹)	18.38 ± 0.36	−4.43 ± 0.36	Gaia DR3
Photometric parameters
TESS (mag)	11.020 ± 0.007	11.032 ± 0.007	TICv8
V (mag)	13.600 ± 0.092	12.669 ± 0.057	TICv8
G (mag)	12.2569 ± 0.0005	11.9822 ± 0.0004	Gaia DR3
J (mag)	9.453 ± 0.024	9.832 ± 0.024	2MASS
H (mag)	8.867 ± 0.046	9.179 ± 0.024	2MASS
K_s (mag)	8.632 ± 0.024	9.018 ± 0.021	2MASS
Bulk parameters
Spectral type	M3.5V	M0V	This work
T_eff (K)	3307 ± 94	3866 ± 92	This work
R_* (R_⊙)	0.326 ± 0.010	0.598 ± 0.018	This work
M_* (M_⊙)	0.306 ± 0.008	0.587 ± 0.013	This work
ρ_* (g cm⁻³)	$12 . 45_{- 1.12}^{+ 1.25}$ $Mathematical equation: $12.45_{-1.12}^{+1.25}$$	$3 . 86_{- 0.34}^{+ 0.38}$ $Mathematical equation: $3.86_{-0.34}^{+0.38}$$	This work
L_* (L_⊙)	0.011 ± 0.001	0.075 ± 0.007	This work
[Fe/H] (dex)	0.14 ± 0.13	0.26 ± 0.13	This work
[M/H] (dex)	0.01 ± 0.06	0.08 ± 0.11	This work
log g_* (cm s⁻²)	4.897 ± 0.029	4.652 ± 0.028	This work
P_rot (days)	35.5 ± 1.1	$14 . 691_{- 0.070}^{+ 0.080}$ $Mathematical equation: $14.691_{-0.070}^{+0.080}$$	This work

References. (TICv8) Stassun et al. (2019); (2MASS) Skrutskie et al. (2006); (Gaia DR3) Gaia Collaboration (2018)

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