Fates of the sub-stellar objects (FOSSO) - I. Fates of the known brown dwarfs in main-sequence–BD binaries

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Volume 707 (March 2026)

A&A, 707 (2026) A312

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Table 1.

Parameters of WD–BD binaries from observations.

	M_WD	M_BD	Period
Close system	[M_⊙]	[M_⊙]	[min]
EPIC 212235321	0.47 ± 0.01	$0 . 055_{- 0.010}^{+ 0.007}$ $Mathematical equation: $ 0.055^{+0.007}_{-0.010} $$	68.2
SDSS J1205−0242	0.39 ± 0.02	0.049 ± 0.006	71.2
NLTT 5306	0.44 ± 0.04	0.053 ± 0.003	101.9
WD 0137−349	0.39 ± 0.035	0.053 ± 0.006	115.6
SDSS J1411+2009	0.53 ± 0.03	0.050 ± 0.002	121.7
WD 1032+011	0.45 ± 0.05	0.067 ± 0.006	131.8
SDSS J1557+0916	0.447 ± 0.043	0.063 ± 0.002	136.4
GD 1400	0.68 ± 0.03	0.074 ± 0.006	598.8
ZTF J0038+2030	0.50 ± 0.02	0.0593 ± 0.004	622.0

Wide system	[M_⊙]	[M_⊙]	[yr]

KMT-2020-BLG-0414	$0 . 49_{- 0.03}^{+ 0.06}$ $Mathematical equation: $ 0.49^{+0.06}_{-0.03} $$	$0 . 0269_{- 0.003}^{+ 0.004}$ $Mathematical equation: $ 0.0269^{+0.004}_{-0.003} $$	143.9
PHL 5038	0.53 ± 0.02	0.069 ± 0.001	700.0
GD 165	0.64 ± 0.02	0.060 ± 0.015	1628.4
SDSS J2225+0016	$0 . 66_{- 0.06}^{+ 0.11}$ $Mathematical equation: $ 0.66^{+0.11}_{-0.06} $$	0.037 ± 0.013	3577.8
LSPM J0055+5948	0.474 ± 0.01	0.053 ± 0.009	11105.7
COCONUTS-1	0.548	$0 . 066_{- 0.003}^{+ 0.002}$ $Mathematical equation: $ 0.066^{+0.002}_{-0.003} $$	58406.6
VVV J1256-6202	0.62 ± 0.04	0.082 ± 0.001	60535.7
Wolf 1130	$1 . 24_{- 0.15}^{+ 0.19}$ $Mathematical equation: $ 1.24^{+0.19}_{-0.15} $$	0.050	155652.0
WD 0806-661	0.62 ± 0.03	0.007	158384.0
LSPM J1459+0851	0.585	0.066 ± 0.006	3892793.1

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