Unraveling the brown dwarf desert: Four new discoveries and a unifying period-coded picture

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Volume 709 (May 2026)

A&A, 709 (2026) A130

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Table A.1

Fit parameters from the allesfitter analysis.

Parameter	TIC 9344899	TIC 52059926	TIC 13344668	TIC 63921468	Unit
Fitted parameters

R_b/R_⋆	0.0792 ± 0.0027	${0.1376}_{- 0.0065}^{+ 0.0052}$ $Mathematical equation: $0.1376_{ - 0.0065}^{ + 0.0052}$$	${0.1377}_{- 0.0083}^{+ 0.0072}$ $Mathematical equation: $0.1377_{ - 0.0083}^{ + 0.0072}$$	${0.03626}_{- 0.00073}^{+ 0.00087}$ $Mathematical equation: $0.03626_{ - 0.00073}^{ + 0.00087}$$
(R_⋆ + Rb)/a_b	${0.0652}_{- 0.0022}^{+ 0.0028}$ $Mathematical equation: $0.0652_{ - 0.0022}^{ + 0.0028}$$	${0.00683}_{- 0.00023}^{+ 0.00027}$ $Mathematical equation: $0.00683_{ - 0.00023}^{ + 0.00027}$$	${0.00733}_{- 0.00024}^{+ 0.00027}$ $Mathematical equation: $0.00733_{ - 0.00024}^{ + 0.00027}$$	${0.01920}_{- 0.00043}^{+ 0.00047}$ $Mathematical equation: $0.01920_{ - 0.00043}^{ + 0.00047}$$
cos i_b	${0.0183}_{- 0.011}^{+ 0.0097}$ $Mathematical equation: $0.0183_{ - 0.011}^{ + 0.0097}$$	${0.0055}_{- 0.0018}^{+ 0.0012}$ $Mathematical equation: $0.0055_{ - 0.0018}^{ + 0.0012}$$	${0.0089}_{- 0.0042}^{+ 0.0024}$ $Mathematical equation: $0.0089_{ - 0.0042}^{ + 0.0024}$$	0.01633 ± 0.00079
$T_{0; b}^{a}$ $Mathematical equation: $T_{0;b}^a$$	${2163.6472}_{- 0.0012}^{+ 0.0012}$ $Mathematical equation: $2163.6472_{ - 0.0012}^{ + 0.0012}$$	${1350.1844}_{- 0.0016}^{+ 0.0017}$ $Mathematical equation: $1350.1844_{ - 0.0016}^{ + 0.0017}$$	${1445.0473}_{- 0.0010}^{+ 0.0015}$ $Mathematical equation: $1445.0473_{ - 0.0010}^{ + 0.0015}$$	${1400.5143}_{- 0.0087}^{+ 0.0034}$ $Mathematical equation: $1400.5143_{ - 0.0087}^{ + 0.0034}$$	BJD
P_b	${8.5821566}_{- 0.0000072}^{+ 0.0000072}$ $Mathematical equation: $8.5821566_{ - 0.0000072}^{ + 0.0000072}$$	175.532 ± 0.097	${141.46}_{- 0.75}^{+ 0.75}$ $Mathematical equation: $141.46_{ - 0.75}^{ + 0.75}$$	131.331 ± 0.010	d
K_b	1.915 ± 0.030	0.862 ± 0.027	${5.1}_{- 0.1}^{+ 0.1}$ $Mathematical equation: $5.1_{ - 0.1}^{ + 0.1}$$	${2.0222}_{- 0.011}^{+ 0.0099}$ $Mathematical equation: $2.0222_{ - 0.011}^{ + 0.0099}$$	km s⁻¹
$\sqrt{e_{b}} \cos ω_{b}$ $Mathematical equation: $\sqrt {{e_b}} {\mkern 1mu} \cos {\omega _b}$$	${0.035}_{- 0.12}^{+ 0.090}$ $Mathematical equation: $0.035_{ - 0.12}^{ + 0.090}$$	−0.228 ± 0.040	$- {0.68}_{- 0.02}^{+ 0.02}$ $Mathematical equation: $ - 0.68_{ - 0.02}^{ + 0.02}$$	$- {0.2723}_{- 0.0088}^{+ 0.0095}$ $Mathematical equation: $ - 0.2723_{ - 0.0088}^{ + 0.0095}$$
$\sqrt{e_{b}} \sin ω_{b}$ $Mathematical equation: $\sqrt {{e_b}} {\mkern 1mu} \sin {\omega _b}$$	${0.134}_{- 0.10}^{+ 0.060}$ $Mathematical equation: $0.134_{ - 0.10}^{ + 0.060}$$	${0.676}_{- 0.022}^{+ 0.020}$ $Mathematical equation: $0.676_{ - 0.022}^{ + 0.020}$$	${0.51}_{- 0.02}^{+ 0.02}$ $Mathematical equation: $0.51_{ - 0.02}^{ + 0.02}$$	0.3213 ± 0.0084
q_1;TESS	${0.29}_{- 0.21}^{+ 0.39}$ $Mathematical equation: $0.29_{ - 0.21}^{ + 0.39}$$	${0.62}_{- 0.29}^{+ 0.26}$ $Mathematical equation: $0.62_{ - 0.29}^{ + 0.26}$$	${0.50}_{- 0.34}^{+ 0.34}$ $Mathematical equation: $0.50_{ - 0.34}^{ + 0.34}$$	${0.19}_{- 0.12}^{+ 0.18}$ $Mathematical equation: $0.19_{ - 0.12}^{ + 0.18}$$
q_2;TESS	${0.22}_{- 0.16}^{+ 0.33}$ $Mathematical equation: $0.22_{ - 0.16}^{ + 0.33}$$	0.48 ± 0.28	${0.43}_{- 0.29}^{+ 0.33}$ $Mathematical equation: $0.43_{ - 0.29}^{ + 0.33}$$	${0.43}_{- 0.30}^{+ 0.36}$ $Mathematical equation: $0.43_{ - 0.30}^{ + 0.36}$$
ln σ_TESS	$- {6.846}_{- 0.033}^{+ 0.035}$ $Mathematical equation: $ - 6.846_{ - 0.033}^{ + 0.035}$$	$- {6.53}_{- 0.12}^{+ 0.13}$ $Mathematical equation: $ - 6.53_{ - 0.12}^{ + 0.13}$$	$- {6.37}_{- 0.19}^{+ 0.22}$ $Mathematical equation: $ - 6.37_{ - 0.19}^{ + 0.22}$$	−8.776 ± 0.077	ln rel.flux.
ln σ_jitter;FEROS	$- {2.66}_{- 0.28}^{+ 0.32}$ $Mathematical equation: $ - 2.66_{ - 0.28}^{ + 0.32}$$	$- {2.42}_{- 0.13}^{+ 0.14}$ $Mathematical equation: $ - 2.42_{ - 0.13}^{ + 0.14}$$	$- {1.42}_{- 0.15}^{+ 0.16}$ $Mathematical equation: $ - 1.42_{ - 0.15}^{ + 0.16}$$	$- {4.19}_{- 4.5}^{+ 0.63}$ $Mathematical equation: $ - 4.19_{ - 4.5}^{ + 0.63}$$	ln km/s

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