CFBDS J111807-064016: A new L/T transition brown dwarf in a binary system

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Table 1

Known binary systems with a main-sequence primary and a T-dwarf secondary.

Name	Sp. Type		Dist.	Sep.		Ref.

	Primary	Secondary	(pc)	(AU)	(′′)


Gl 337 CD	K1	L8/T0	20.5	881	43	Wilson et al. (2001); Burgasser et al. (2005)
HD 46588 B	F7	L9	17.9	1420	79.2	Loutrel et al. (2011)
ϵ Ind Ba	K5	T1	3.6	1459	405	Scholz et al. (2003)
CFBDS 1118	M4.5	T2	92	709	7.7	This paper
HN Peg B	G0V	T2.5	18.4	795	43.2	Luhman et al. (2007)
HIP 38939 B	K4	T4.5	18.5	1630	88	Deacon et al. (2012b)
2MASS J03202839-0446358^a	M8.5	T5	25	<8.3	<0.33	Burgasser et al. (2008); Blake et al. (2008)
SDSS J000649.16-085246.3 B^b	M8.5	T5	30	0.286	0.0095	Burgasser et al. (2012)
HD 118865 B	F5	T5	62.4	9200	148	Burningham et al. (2013)
LHS 2803 B	M4.5	T5.5	21	1400	67.6	Deacon et al. (2012a)
ϵ Ind Bb	K5	T6	3.6	1459	405	Scholz et al. (2003)
SCR 1845 B	M8.5	T6	3.8	4.5	1.2	Biller et al. (2006)
HIP 73786 B	K5	T6.5	18.6	1260	68	Scholz (2010)
G 204-39	M3	T6.5	13.6	2685	198	Faherty et al. (2010)
Gl 229 B	M1	T7	5.8	45	7.8	Nakajima et al. (1995)
HIP 63510 C	M0.5	T7	11.7	1200	103	Scholz (2010)
Gl 570 D	K4	T7.5	5.9	1525	258.3	Burgasser et al. (2000)
HD 3651 B	K0	T7.5	11	480	43.5	Mugrauer et al. (2006); Luhman et al. (2007)
Ross 458 C	M2	T8	11.4	1163	102	Goldman et al. (2010); Burgasser et al. (2010)
LHS 6176 B	M4	T8	18.7	970	52	Burningham et al. (2013)
Wolf 940 B	M4	T8.5	12.5	400	32	Burningham et al. (2009)
GJ 758 B	G9	T9	15.5	29	1.9	Thalmann et al. (2009)

Notes. The listed physical separations are the projected separations. The last column is the reference of the discovery paper.

^(a)

Unresolved system;

^(b)

unresolved system, separation is estimated from the radial velocity orbit.

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