The GAPS Programme at TNG - LIX. Characterisation study of the ∼300 Myr-old multi-planetary system orbiting the star BD+40 2790 (TOI-2076)

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Volume 690 (October 2024)

A&A, 690 (2024) A235

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Table 3

Summary of the results derived from the mass posterior distributions shown in Fig. 7 and Figs. C.3–C.5, listed according to the HARPS-N RV extraction recipes described in Table 1.

HARPS-N RV dataset	Model-averaged best-fit mass^(a)	Mean mass upper limit (M_⊕)^(b)	Mass upper limit rms (M_⊕ )^(b)
TOI-2076b
SERVAL, all orders	${3.9}_{- 2.3}^{+ 2.6}$ $3.9_{ - 2.3}^{ + 2.6}$	m_b < 11.4	1.5
SERVAL, wavelength range nr. 3	${3.8}_{- 2.3}^{+ 2.6}$ $3.8_{ - 2.3}^{ + 2.6}$	< 11.2	1.3
DRS, all orders	${3.6}_{- 2.1}^{+ 2.6}$ $3.6_{ - 2.1}^{ + 2.6}$	<10 8	1.2
LBL, all orders	${3.7}_{- 2.2}^{+ 2.7}$ $3.7_{ - 2.2}^{ + 2.7}$	<11 8	1.3
TOI-2076c
SERVAL, all orders	${4.0}_{- 2.3}^{+ 2.9}$ $4.0_{ - 2.3}^{ + 2.9}$	m_c < 12.7	1.1
SERVAL, wavelength range nr. 3	${3.2}_{- 2.0}^{+ 2.8}$ $3.2_{ - 2.0}^{ + 2.8}$	<11 8	0.6
DRS, all orders	${4.0}_{- 2.3}^{+ 2.9}$ $4.0_{ - 2.3}^{ + 2.9}$	<12 8	0.8
LBL, all orders	${3.9}_{- 2.4}^{+ 3.1}$ $3.9_{ - 2.4}^{ + 3.1}$	<13 4	0.6
TOI-2076 d
SERVAL, all orders	${4.8}_{- 2.8}^{+ 3.5}$ $4.8_{ - 2.8}^{ + 3.5}$	m_d < 15.2	3.5
SERVAL, wavelength range nr. 3	${7.7}_{- 3.7}^{+ 3.8}$ $7.7_{ - 3.7}^{ + 3.8}$	<18 7	2.0
DRS, all orders	${3.9}_{- 2.5}^{+ 3.2}$ $3.9_{ - 2.5}^{ + 3.2}$	<13 7	3.4
LBL, all orders	${4.3}_{- 2.8}^{+ 3.6}$ $4.3_{ - 2.8}^{ + 3.6}$	<15 2	3.2

Notes. ^(a) Model-averaged values of the 50^th percentiles and corresponding error bars. ^(b) Model-averaged values and rms of the planetary mass 3σ upper limits.

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