List of brown dwarfs

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Some brown dwarfs are included in this list .

Brown dwarfs circling around stars

star	Right ascension	declination	Spectral class	Brown dwarf	Mass ( M J )	Orbital time ( d )	Semi-major axis ( AE )	Exzen- tricity	Remarks
54 Piscium	00 h 39 m 21.8 s	+ 21 ° 15 ′ 01.7 ″	K0 V	54 Piscium B	50	?	?	?	The central star is also orbited by an exoplanet
FY 1048	02 h 36 m 00.8 s	−23 ° 31 ′ 16.8 ″	K2 V	FY 1048 B	?	?	?	?
BD −4 ° 782	04 h 19 m 09 s	−4 ° 25 ′ 05 ″	K5 V	BD −4 ° 782 B	21st	219.76	0.7	?
Peter 229	06 h 10 m 35 s	−51 ° 21 ′ 42 ″	M1 V	Gliese 229 B	40	?	40	?	first unequivocally proven brown dwarf
G 196-3	10 h 04 m 22 s	+ 50 ° 23 ′ 23 ″	M2.5 V	G 196-3 B	25th	?	300	?
HD 89707	10 h 20 m 50 s	−15 ° 28 ′ 47.7 ″	G1 V	HD 89707 B	?	?	?	?
HD 98230	11 h 18 m 12.5 s	+ 31 ° 32 ′ 15 ″	F8.5 V	HD 98230 B	37	5.364	0.06	?
HD 168443	18 h 20 m 03.9 s	−9 ° 35 ′ 44.6 ″	G6	HD 168443 C	18th	2.91	?	?
15 Sagittae	20 h 04 m 06.2 s	+ 17 ° 04 ′ 12.6 ″	G1 V	15 Sagittae B	65	?	14th	?
HD 202206	21 h 14 m 57.8 s	−20 ° 57 ′ 20.1 ″	G6 V	HD 202206 B	17th	276	0.83	?
Wolf 940	21 h 46 m 38.83 s	−0 ° 10 ′ 38.7 ″	T8.5	Wolf 940B	20-30	6574500	440	?
Epsilon Indi	22 h 03 m 21.7 s	−56 ° 47 ′ 09.5 ″	K4 V	Epsilon Indi Ba	47	359.3	0.99	?
				Epsilon Indi Bb	28	780.64	1.7	?
Kappa Andromedae	23 h 40 m 24.5 s	+ 44 ° 20 ′ 0.2 ″	B9 IVn	Kappa Andromedae b	50	?	55	?

Brown dwarfs not orbiting stars

Brown dwarf	Right ascension	declination	Constellation	Apparent J-magnitude / mag	Spectral class	Remarks
2MASS J00001354 + 2554180	00 h 00 m 13.54 s	+ 25 ° 54 ′ 18.0 ″			T 4.5
ULAS J002422.94 + 002247.9	00 h 24 m 22.9 s	+ 0 ° 22 ′ 47.0 ″			T 4.5
ULAS J003402.77-005206.7	00 h 34 m 02.7 s	−0 ° 52 ′ 06.0 ″			T 8.5
2MASS J00345157 + 0523050	00 h 34 m 51.57 s	+ 5 ° 23 ′ 05.5 ″			T 6.5
2MASS J00501994-3322402	00 h 50 m 19.94 s	−33 ° 22 ′ 40.2 ″			T 7
CFBDS J005910.90-011401.3	00 h 59 m 10.90 s	−1 ° 14 ′ 01.3 ″			T 9
ULAS J013117.53−003128.6	01 h 31 m 17.53 s	−0 ° 31 ′ 28.6 ″	Cet		T 3
SIMP J013656.5 + 093347	01 h 36 m 57 s	+ 9 ° 33 ′ 47 ″			T 2.5
ULAS J013939.77 + 004813.8	01 h 39 m 39.8 s	+ 0 ° 48 ′ 14 ″			T7.5	exceptionally low J − H index of approx. −0.7
2MASS J01514155 + 1244300	01 h 51 m 41.55 s	+ 12 ° 44 ′ 30.0 ″			T 1
ULAS J020336.94-010231.1	02 h 03 m 36.94 s	−1 ° 02 ′ 31.1 ″			T5
2MASS J02074284 + 0000564	02 h 07 m 42.84 s	+ 0 ° 00 ′ 56.4 ″			T 4.5
ULAS J022200.43−002410.5	02 h 22 m 00.43 s	−0 ° 24 ′ 10.5 ″			T5
IfA 0230-Z1	02 h 26 m 37.6 s	+ 0 ° 51 ′ 55 ″	Cet	18th	T3
2MASS J02431371-2453298	02 h 43 m 13.71 s	−24 ° 53 ′ 29.8 ″			T 6V
SDSS J024749.90−163112.6	02 h 47 m 49.78 s	−16 ° 31 ′ 13.2 ″			T 2 T0 + T7	Candidate for dual system
2MASS J03202839-0446358 B	03 h 20 m 28.4 s	−4 ° 46 ′ 36 ″			T5 ± 1
SDSS J032553.17 + 042540.1	03 h 25 m 53.2 s	+ 4 ° 25 ′ 40 ″	dew	15.9	T5.5 (IR)
2MASS J03480772-6022270	03 h 48 m 07.72 s	−60 ° 22 ′ 27.0 ″			T 7
Roque 25	03 h 48 m 30.6 s	+ 22 ° 44 ′ 50 ″			L.
ULAS J034832.97−001258.3	03 h 48 m 32.97 s	−0 ° 12 ′ 58.3 ″			T
SDSS J035104.37 + 481046.8	03 h 51 m 04 s	+ 48 ° 10.8 ′ 0 ″	By	approx. 15.9	approx T1	Chiu et al., 2006
2MASS J04070885 + 1514565	04 h 07 m 08.85 s	+ 15 ° 14 ′ 56.5 ″			T 5
2MASS J04151954-0935066	04 h 15 m 19.54 s	−9 ° 35 ′ 06.6 ″			T 8V
2MASS J05103520−4208140	05 h 10 m 35.20 s	−42 ° 08 ′ 14.0 ″	Col		T5
2MASS J05160945-0445499	05 h 16 m 09.45 s	−4 ° 45 ′ 49.9 ″			T 5.5
2MASS J05591914-1404488	05 h 59 m 19.14 s	−14 ° 04 ′ 48.8 ″			T 4.5
2MASS J06020638 + 4043588	06 h 02 m 06.38 s	+ 40 ° 43 ′ 58.8 ″	Aur	approx. 15.5	T4.5	Burgasser et al., 2007
2MASS J07271824 + 1710012	07 h 27 m 18:24 s	+ 17 ° 10 ′ 01.2 ″			T 7
2MASS J07290002-3954043	07 h 29 m 00.02 s	−39 ° 54 ′ 04.3 ″			T 8
SDSS J073922.26 + 661503.5	07 h 39 m 22.3 s	+ 66 ° 15 ′ 04 ″			T1.5
2MASS J07414920 + 2351275	07 h 41 m 49.20 s	+ 23 ° 51 ′ 27.5 ″			T 5
2MASS J07420130 + 2055198	07 h 42 m 01.30 s	+ 20 ° 55 ′ 19.8 ″			T 5
2MASS J07554795 + 2212169	07 h 55 m 47.95 s	+ 22 ° 12 ′ 16.9 ″			T 5
2MASS J07584037 + 3247245	07 h 58 m 40.37 s	+ 32 ° 47 ′ 24.5 ″			T 2
ULAS J082327.46 + 002424.4	08 h 23 m 27.46 s	+ 0 ° 24 ′ 24.4 ″	Hya	18.57 ± 0.05	T4	Pinfield et al., 2008 [1]
ULAS J082707.67-020408.2	08 h 27 m 07.67 s	−2 ° 04 ′ 08.2 ″			T 5.5
2MASS J08304878 + 0128311	08 h 30 m 48.78 s	+ 1 ° 28 ′ 31.1 ″			T 4.5
SDSS J083717.22-000018.3	08 h 37 m 17.18 s	−0 ° 00 ′ 17.9 ″			T 0.5
ULAS J083756.19-004156.0	08 h 37 m 56.19 s	−0 ° 41 ′ 56.0 ″			T 3
2MASS J08583467 + 3256275	08 h 58 m 34.67 s	+ 32 ° 56 ′ 27.5 ″			T 1
ULAS J085910.69 + 101017.1	08 h 59 m 10.69 s	+ 10 ° 10 ′ 17.1 ″			T 7
ULAS J090116.23-030635.0	09 h 01 m 16.23 s	−3 ° 06 ′ 35.0 ″			T 7.5
2MASS J09090085 + 6525275	09 h 09 m 00.85 s	+ 65 ° 25 ′ 27.5 ″			T 1.5
2MASS J09201223 + 3517429	09 h 20 m 12.23 s	+ 35 ° 17 ′ 42.9 ″			T 0p
2MASS J09261537 + 5847212	09 h 26 m 15:37 s	+ 58 ° 47 ′ 21.2 ″			T 4.5
2MASS J09373487 + 2931409	09 h 37 m 34.87 s	+ 29 ° 31 ′ 40.9 ″			T 6
ULAS J093829.28−001112.6	09 h 38 m 29.28 s	−0 ° 11 ′ 12.6 ″	Hya	18.53 ± 0.06	T4.5	Pinfield et al., 2008 [2]
2MASS J09393548-2448279	09 h 39 m 35.48 s	−24 ° 48 ′ 27.9 ″			T 8
ULAS J093951.04 + 001653.6	09 h 39 m 51.04 s	+ 0 ° 16 ′ 53.6 ″	Hya	17.96 ± 0.03	T5.5	Pinfield et al., 2008
ULAS J094806.06 + 064805.0	09 h 48 m 06.06 s	+ 6 ° 48 ′ 05.0 ″			T 7
2MASS J09490860-1545485	09 h 49 m 08.60 s	−15 ° 45 ′ 48.5 ″			T 2
ULAS J095829.86-003932.0	09 h 58 m 29.86 s	−0 ° 39 ′ 32.0 ″			T 5.5
CFBDS J095914 + 023655	09 h 59 m 14 s	+ 2 ° 36 ′ 55 ″			T 3
CFBDS J100113 + 022622	10 h 01 m 13 s	+ 2 ° 26 ′ 22 ″	sex	approx. 17.9	T 5	µ α ∙ cos (δ) = −90.21 ± 13.7 mas / a µ δ = +49.41 ± 14.23 mas / a Discovery: Delorme et al., 2008
2MASS J10073369−4555147	10 h 07 m 33.69 s	−45 ° 55 ′ 14.7 ″	UMa		T5
ULAS J100759.90-010031.1	10 h 07 m 59.90 s	−1 ° 00 ′ 31.1 ″			T 5.5
ULAS J101821.78 + 072547.1	10 h 18 m 21.78 s	+ 7 ° 25 ′ 47.1 ″			T 5
2MASS J10210969-0304197	10 h 21 m 09.69 s	−3 ° 04 ′ 19.7 ″			T 3
Teide 1	03 h 47 m 18.0 s	+ 24 ° 22 ′ 31 ″			M 8
SDSS J011912.22 + 240331.6	01 h 19 m 12.07 s	+ 24 ° 03 ′ 31.7 ″			T 2
2MASS J03061159-3647528	10 h 39 m 31.37 s	+ 32 ° 56 ′ 26.3 ″			T 1
2MASS J10475385 + 2124234	10 h 47 m 53.85 s	+ 21 ° 24 ′ 23.4 ″			T 6.5V
SDSS J104829.21 + 091937.8	10 h 48 m 29.2 s	+ 9 ° 19 ′ 38 ″	Leo	16.4	T2.5
2MASS J10521350 + 4422559	10 h 52 m 13.50 s	+ 44 ° 22 ′ 55.9 ″			T 0.5
SDSS J110454.25 + 554841.4	11 h 04 m 54.3 s	+ 55 ° 48 ′ 41 ″	UMa		T 0
2MASS J11061197 + 2754225	11 h 06 m 11.97 s	+ 27 ° 54 ′ 22.5 ″			T 2.5
2MASS J11101001 + 0116130	11 h 10 m 10.01 s	+ 1 ° 16 ′ 13.0 ″			T 5.5
2MASS J11145133-2618235	11 h 14 m 51.33 s	−26 ° 18 ′ 23.5 ″			T 7.5
2MASS J11220826-3512363	11 h 22 m 08.26 p	−35 ° 12 ′ 36.3 ″			T 2
2MASS J11463449 + 2230527	11 h 46 m 34.49 s	+ 22 ° 30 ′ 52.7 ″			T 3
ULAS J115038.79 + 094942.9	11 h 50 m 38.8 s	+ 9 ° 49 ′ 43 ″	Vir	18.68 ± 0.04		unusual spectrum, possibly an object of high metallicity and low surface gravity; Pinfield et al., 2008
SDSS J115700.50 + 061105.2	11 h 57 m 00.49 s	+ 6 ° 11 ′ 05.2 ″			T 1.5
ULAS J115759.04 + 092200.7	11 h 57 m 59.04 s	+ 9 ° 22 ′ 00.7 ″			T 2.5
SDSS J120602.51 + 281328.7	12 h 06 m 02.5 s	+ 28 ° 13 ′ 29 ″			T 3
2MASS J12095613−1004008	12 h 09 m 56.1 s	−10 ° 04 ′ 01 ″			approx T2 + T7
2MASS J12144089 + 6316434	12 h 14 m 40.89 s	+ 63 ° 16 ′ 43.4 ″			T 3.5
2MASS J12154432−3420591	12 h 15 m 44.32 s	−34 ° 20 ′ 59.1 ″	Hya	approx. 16.2	T4.5
2MASS J12165918 + 3003054	12 h 16 m 59.2 s	+ 30 ° 03 ′ 05.4 ″	Berenike's hair	16.89	L3.5
2MASS J12171110-0311131	12 h 17 m 11.10 s	−3 ° 11 ′ 13.1 ″			T 7V
2MASS J12255432-2739466	12 h 25 m 54.32 s	−27 ° 39 ′ 46.6 ″			T 6
2MASS J12314753 + 0847331	12 h 31 m 47.53 s	+ 8 ° 47 ′ 33.1 ″			T 5.5
2MASS J12373919 + 6526148	12 h 37 m 39.19 s	+ 65 ° 26 ′ 14.8 ″			T 6.5V
SDSS J125011.65 + 392553.9	12 h 50 m 11.7 s	+ 39 ° 25 ′ 54 ″	CVn	16.5	T4
SDSSp J125453.90-012247.4	12 h 54 m 53.9 s	−1 ° 22 ′ 47 ″	Vir	14.9	T2
ULAS J130303.54 + 001627.7	13 h 03 m 03.54 s	+ 0 ° 16 ′ 27.7 ″			T 5.5
ULAS J131508.42 + 082627.4	13 h 15 m 08.42 s	+ 8 ° 26 ′ 27.4 ″			T 7.5
2MASS J13243559 + 6358284	13 h 24 m 35.59 s	+ 63 ° 58 ′ 28.4 ″			T 2
2MASS J13464634-0031501	13 h 46 m 46.34 s	−0 ° 31 ′ 50.1 ″			T 7
SDSS J135852.68 + 374711.9	13 h 58 m 52.7 s	+ 37 ° 47 ′ 12 ″	CVn	16.2	T4.5
SDSS J140255.66 + 080055.2	14 h 02 m 55.7 s	+ 8 ° 00 ′ 55 ″	Boo		T1.5
2MASS J14044941-3159329	14 h 04 m 49.41 s	−31 ° 59 ′ 32.9 ″			T 2.5
2MASS J14153003 + 5724300	14 h 15 m 30.03 s	+ 57 ° 24 ′ 30.0 ″			T 3
2MASS J14353572-0043471	14 h 35 m 35.72 s	−0 ° 43 ′ 47.1 ″			T 6
SDSS J143553.25 + 112948.6	14 h 35 m 53.2 s	+ 11 ° 29 ′ 49 ″			T 2
2MASS J14394092 + 1826369	14 h 39 m 40.92 s	+ 18 ° 26 ′ 36.9 ″	Bear keeper		L1
SDSS J143945.86 + 304220.6	14 h 39 m 46 s	+ 30 ° 42 ′ 21 ″			T 2.5	possibly double system
ULAS J145243.59 + 065542.9	14 h 52 m 43.59 s	+ 6 ° 55 ′ 42.9 ″			T 4.5
ULAS J150135.33 + 082215.2	15 h 01 m 35.33 s	+ 8 ° 22 ′ 15.2 ″			T 4.5
2MASS J15031961 + 2525196	15 h 03 m 19.61 s	+ 25 ° 25 ′ 19.6 ″			T 6
SDSS J150411.63 + 102718.4	15 h 04 m 11.6 s	+ 10 ° 27 ′ 18 ″			T 7
ULAS J150547.89 + 070316.6	15 h 05 m 47.89 s	+ 7 ° 03 ′ 16.6 ″			T 4
2MASS J15111466 + 0607431	15 h 11 m 14.66 s	+ 6 ° 07 ′ 43.1 ″			T 0
2MASS J15160303 + 0259292	15 h 16 m 03.03 p	+ 2 ° 59 ′ 29.2 ″			T 0
2MASS J15164306 + 3053443	15 h 16 m 43.06 s	+ 30 ° 53 ′ 44.3 ″			T 0.5
2MASS J15203974 + 3546210	15 h 20 m 39.74 s	+ 35 ° 46 ′ 21.0 ″			T 0
2MASS J15210327 + 0131426	15 h 21 m 03.27 s	+ 1 ° 31 ′ 42.6 ″			T 2
2MASS J15341711 + 1615463	15 h 34 m 17.11 s	+ 16 ° 15 ′ 46.3 ″			T 3.5
2MASS J15344984-2952274	15 h 34 m 49.84 s	−29 ° 52 ′ 27.4 ″			T 6
ULAS J154427.34 + 081926.6	15 h 44 m 27.34 s	+ 8 ° 19 ′ 26.6 ″			T 3.5
2MASS J15461461 + 4932114	15 h 46 m 14.6 s	+ 49 ° 32 ′ 11 ″	Boo	15.90 ± 0.07	T 2.5 (?)	Metchev et al., 2008
2MASS J15462718-3325111	15 h 46 m 27.18 s	−33 ° 25 ′ 11.1 ″			T 5.5
ULAS J154701.84 + 005320.3	15 h 47 m 01.84 s	+ 0 ° 53 ′ 20.3 ″			T 5.5
2MASS J15530228 + 1532369	15 h 53 m 02.28 s	+ 15 ° 32 ′ 36.9 ″			T 7
2MASS J16150413 + 1340079	16 h 15 m 04.13 s	+ 13 ° 40 ′ 07.9 ″			T 6
2MASS J16241436 + 0029158	16 h 24 m 14.36 s	+ 0 ° 29 ′ 15.8 ″			T 6
SDSS J162838.77 + 230821.1	16 h 28 m 38.8 s	+ 23 ° 08 ′ 21 ″			T 7
SDSS J163022.92 + 081822.0	16 h 30 m 22.9 s	+ 8 ° 18 ′ 22 ″	Her	16.2	T5.5
SDSS J163239.34 + 415004.3	16 h 32 m 39.34 s	+ 41 ° 50 ′ 04.3 ″			T 1
2MASS J16401059 + 0037213	16 h 40 m 10.6 s	+ 0 ° 37 ′ 21.3 ″	Snake bearer	~ 17	L0

See also

• List of exoplanets
• List of planetary systems
• List of stars