This page showcases the known transiting brown dwarf systems discovered by facilities other than TESS or Kepler/K2 as of September 2023.

CoRoT-3b

Host star parameters

Mass: 1.46 ± 0.08 M_⊙
Radius: 1.66 ± 0.09 R_⊙
T_eff: 6740 ± 150 K
[Fe/H]: -0.02 ± 0.11
Age (MIST): 1.37 ± 0.71 Gyr

Brown dwarf parameters

Mass: 22.5 ± 1.0 M_J
Radius: 1.06 ± 0.07 R_J
Period: 4.25636 days
Transit time: 2454257.5940 ± 0.0019 days
Eccentricity: 0.013
Inclination: 85.70 ± 0.82 degrees
Semi-major axis: 0.0586 ± 0.0011 AU
T_eq: 1727 ± 48 K
Mass ratio (M_b/M_star): 0.01469

CoRoT-15b

Host star parameters

Mass: 1.29 ± 0.12 M_⊙
Radius: 1.40 ± 0.14 R_⊙
T_eff: 6340 ± 190 K
[Fe/H]: +0.09 ± 0.19
Age (MIST): 2.1 ± 2.0 Gyr

Brown dwarf parameters

Mass: 64.0 ± 5.0 M_J
Radius: 0.94 ± 0.12 R_J
Period: 3.06012 days
Transit time: 2454768.8571 ± 0.0013 days
Eccentricity: 0.042
Inclination: 87.0 ± 1.9 degrees
Semi-major axis: 0.0456 ± 0.0015 AU
T_eq: 1702 ± 81 K
Mass ratio (M_b/M_star): 0.0476

CoRoT-33b

Host star parameters

Mass: 0.86 ± 0.04 M_⊙
Radius: 0.94 ± 0.14 R_⊙
T_eff: 5225 ± 80 K
[Fe/H]: +0.44 ± 0.10
Age: > 4.6 Gyr

Brown dwarf parameters

Mass: 59.0 ± 1.8 M_J
Radius: 1.10 ± 0.53 R_J
Period: 5.819143 days
Transit time: 2456676.3992 ± 0.0037 days
Eccentricity: 0.07
Inclination: 85.5 ± 0.5 degrees
Semi-major axis: 0.0579 ± 0.0001 AU
T_eq: -
Mass ratio (M_b/M_star): 0.0655

GPX-1b

Host star parameters

Mass: 1.68 ± 0.10 M_⊙
Radius: 1.57 ± 0.10 R_⊙
T_eff: 7000 ± 200 K
[Fe/H]: +0.34 ± 0.10
Age: 0.27 ± 0.15 Gyr

Brown dwarf parameters

Mass: 19.6 ± 1.6 M_J
Radius: 1.48 ± 0.09 R_J
Period: 1.744579 days
Transit time: 2458770.23823 ± 0.00040 days
Eccentricity: 0.0
Inclination: 79.8 ± 0.7 degrees
Semi-major axis: 0.0339 ± 0.0003 AU
T_eq: 2300
Mass ratio (M_b/M_star): 0.01114

HATS-70b

Host star parameters

Mass: 1.78 ± 0.12 M_⊙
Radius: 1.88 ± 0.07 R_⊙
T_eff: 7930 ± 820 K
[Fe/H]: +0.04 ± 0.11
Age: 0.81 ± 0.50 Gyr

Brown dwarf parameters

Mass: 12.9 ± 1.8 M_J
Radius: 1.38 ± 0.08 R_J
Period: 1.8882378 days
Transit time: 2456911.8749 ± 0.0009 days
Eccentricity: < 0.18
Inclination: 86.7 ± 1.9 degrees
Semi-major axis: 0.03632 ± 0.0009 AU
T_eq: 2730
Mass ratio (M_b/M_star): 0.0069181
.

KELT-1b

Host star parameters

Mass: 1.39 ± 0.07 M_⊙
Radius: 1.48 ± 0.04 R_⊙
T_eff: 6519 ± 47 K
[Fe/H]: +0.07 ± 0.08
Age (MIST): 1.33 ± 0.77 Gyr

Brown dwarf parameters

Mass: 27.9 ± 1.0 M_J
Radius: 1.13 ± 0.03 R_J
Period: 1.218 days
Transit time: 2455925.1205 ± 0.0002 days
Eccentricity: 0.0
Inclination: 87.2 ± 1.9 degrees
Semi-major axis: 0.02504 ± 0.00042 AU
T_eq: 2418 ± 30 K
Mass ratio (M_b/M_star): 0.01922

LP 261-75b

Host star parameters

Mass: 0.30 ± 0.02M_⊙
Radius: 0.31 ± 0.01 R_⊙
T_eff: 3100 ± 50 K
[Fe/H]: -
Age: "Sufficiently old to apply relations for normal field stars"

Brown dwarf parameters

Mass: 68.1 ± 2.1 M_J
Radius: 0.90 ± 0.02 R_J
Period: 1.8817205 days
Transit time: 2458159.731511 ± 0.000020 days
Eccentricity: < 0.007
Inclination: 89.1 ± 0.1 degrees
Semi-major axis: 0.02132 ± 0.00011 AU
T_eq: -
Mass ratio (M_b/M_star): 0.2167

NGTS-19b

Host star parameters

Mass: 0.73 ± 0.08 M_⊙
Radius: 0.71 ± 0.10 R_⊙
T_eff: 4500 ± 110 K
[Fe/H]: +0.09 ± 0.09
Age (ARIADNE): 8.5 ± 6.0 Gyr

Brown dwarf parameters

Mass: 69.5 ± 5.7 M_J
Radius: 1.03 ± 0.06 R_J
Period: 17.839654 days
Transit time: 2458533.0207 ± 0.0011 days
Eccentricity: 0.3767
Inclination: 88.7 ± 0.1 degrees
Semi-major axis: 0.1296 ± 0.0074 AU
T_eq: 543 ± 17 K
Mass ratio (M_b/M_star): 0.09088
.

NGTS-7Ab

Host star parameters

Mass: 0.48 ± 0.13 M_⊙
Radius: 0.61 ± 0.06 R_⊙
T_eff: 3359 ± 106 K
[Fe/H]: -
Age: 0.055 Gyr

Brown dwarf parameters

Mass: 75.5 ± 13.7 M_J
Radius: 1.38 ± 0.14 R_J
Period: 0.67599 days
Transit time: 2457708.553304 ± 0.000002 days
Eccentricity: 0.0
Inclination: 88.4 ± 1.1 degrees
Semi-major axis: 0.0139 ± 0.0014 AU
T_eq: -
Mass ratio (M_b/M_star): 0.150149
.

NLTT 4115b

Host star parameters

Mass: 0.19 ± 0.03 M_⊙
Radius: 0.21 ± 0.02 R_⊙
T_eff: 3230 ± 130 K
[Fe/H]: -0.25 ± 0.25
Age: -

Brown dwarf parameters

Mass: 33.7 ± 2.8 M_J
Radius: 1.38 ± 0.27 R_J
Period: 2.889475 days
Transit time: 2455002.80238 ± 0.00022 days
Eccentricity: < 0.02
Inclination: 87.4 ± 0.5 degrees
Semi-major axis: 0.02402 ± 0.00010 AU
T_eq: -
Mass ratio (M_b/M_star): 0.16931

WASP-30b

Host star parameters

Mass: 1.18 ± 0.10 M_⊙
Radius: 1.45 ± 0.04 R_⊙
T_eff: 6120 ± 110 K
[Fe/H]: -0.01 ± 0.10
Age (MIST): 4.3 ± 2.4 Gyr

Brown dwarf parameters

Mass: 60.5 ± 3.3 M_J
Radius: 0.77 ± 0.05 R_J
Period: 4.156678 days
Transit time: 2456818.9565 ± 0.0030 days
Eccentricity: 0.0027
Inclination: 87.7 ± 1.4 degrees
Semi-major axis: 0.0543 ± 0.0015 AU
T_eq: 1524 ± 28 K
Mass ratio (M_b/M_star): 0.0490

WASP-128b

Host star parameters

Mass: 1.16 ± 0.04 M_⊙
Radius: 1.15 ± 0.02 R_⊙
T_eff: 5950 ± 50 K
[Fe/H]: +0.01 ± 0.12
Age: 3.5 Gyr

Brown dwarf parameters

Mass: 37.2 ± 0.9 M_J
Radius: 0.94 ± 0.02 R_J
Period: 2.208524 days
Transit time: 2456720.68369 ± 0.00019 days
Eccentricity: < 0.007
Inclination: 89.1 ± 0.9 degrees
Semi-major axis: 0.0359 ± 0.0037 AU
T_eq: -
Mass ratio (M_b/M_star): 0.03074