The brown dwarf atmosphere monitoring (BAM) project - I. The largest near-IR monitoring survey of L and T dwarfs

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Volume 566 (June 2014)

A&A, 566 (2014) A111

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Table 3

Variables identified in this study.

Object	Spectral type	Obs. Dur. (h)	Refs.	DOF			Q (%)	p-value (%)	Amplitude^a (%)

Variables with p-value ≤ 5% and

2MASS J01062285-5933185	L0	3.14	7	5	4.4	1.3	1.07	0.12	4.3 ± 1.2
2MASS J13004255+1912354	L3	3.06	5	9	3.6	2.6	1.21	0.0	9.6 ± 0.9
2MASS J03582255-4116060	L5	1.97	6	4	4.2	1.9	0.88	0.2	4.8 ± 1.2
2MASS J08354256-0819237	L5	3.32	6	10	5.8	2.0	0.33	0.0	1.7 ± 0.5
2MASS J22551861-5713056	L5.5	3.16	3	6	4.0	2.5	1.55	0.0	9.4 ± 1.6
2MASS J10101480-0406499	L6	3.08	4	8	4.3	2.0	1.18	0.0	5.1 ± 1.1
2MASS J04390101-2353083	L6.5	2.53	8	5	2.7	1.7	0.50	1.8	2.6 ± 0.5
2MASS J11263991-5003550	L6.5	3.23	8	12	3.3	1.4	0.52	0.0	3.2 ± 0.7
2MASS J12074717+0244249	T0	2.76	7	7	2.1	1.4	0.91	4.2	5.2 ± 1.1
2MASS J21392676+0220226	T1.5	2.62	7	7	18.1	3.9	0.42	0.0	4.7 ± 0.5
SIMP J013656.5+093347.3	T2.5	2.94	5	7	2.3	2.2	0.72	2.3	3.0 ± 0.6
2MASS J22282889-4310262	T6.5	3.08	8	7	2.6	1.3	0.51	1.8	3.9 ± 0.7
2MASS J00501994-3322402	T7.0	2.63	6	6	5.6	3.3	1.24	0.0	10.8 ± 1.3
2MASS J03480772-6022270	T7.0	2.85	7	6	2.5	1.6	0.42	1.9	2.4 ± 0.5

Variables with 5% <p-value ≤ 10% and

DENIS J0205.4-1159	L5.5	3.22	5	5	2.0	1.5	0.50	7.9	2.0 ± 0.6
2MASS J09310955+0327331	L7.5	3.21	3	10	1.8	1.0	1.55	6.1	7.6 ± 1.9
2MASS J12171110-0311131	T7.5	2.78	6	5	1.9	1.2	0.93	9.3	4.2 ± 1.1

Notes.

^(a)

These peak-to-trough amplitudes are calculated as the difference between the minimum and maximum points in the light curve. In some cases, these might represent the lower limit of the true amplitude, especially for brown dwarfs which exhibit variability on longer timescales.

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