This page showcases the known transiting brown dwarf systems discovered by the TESS mission as of September 2023.

TOI-148b

Host star parameters

Mass: 0.97 ± 0.12 M_⊙
Radius: 1.20 ± 0.07 R_⊙
T_eff: 5990 ± 140 K
[Fe/H]: -0.24 ± 0.25
Age (MIST): 7.7 ± 3.7 Gyr

Brown dwarf parameters

Mass: 77.1 ± 5.8 M_J
Radius: 0.81 ± 0.06 R_J
Period: 4.867103 days
Transit time: 2458327.32908 ± 0.0020 days
Eccentricity: 0.0052
Inclination: 86.85 ± 0.65 degrees
Semi-major axis: 0.0571 ± 0.0021 AU
T_eq: 1321 ± 49 K
Mass ratio (M_b/M_star): 0.075875

TOI-263b

Host star parameters

Mass: 0.44 ± 0.03 M_⊙
Radius: 0.44 ± 0.03 R_⊙
T_eff: 3471 ± 33 K
[Fe/H]: -
Age: "Field"

Brown dwarf parameters

Mass: 61.6 ± 4.0 M_J
Radius: 0.91 ± 0.07 R_J
Period: 0.5568143 days
Transit time: 2458386.17146 ± 0.0006 days
Eccentricity: 0.017
Inclination: 87.0 ± 1.6 degrees
Semi-major axis: 0.0098 ± 0.0008 AU
T_eq: -
Mass ratio (M_b/M_star): 0.13364
.

TOI-503b

Host star parameters

Mass: 1.80 ± 0.06 M_⊙
Radius: 1.70 ± 0.05 R_⊙
T_eff: 7650 ± 160 K
[Fe/H]: +0.61 ± 0.08
Age (MIST): 0.18 ± 0.17 Gyr

Brown dwarf parameters

Mass: 53.7 ± 1.2 M_J
Radius: 1.34 ± 0.26 R_J
Period: 3.677 days
Transit time: 2458492.05383 ± 0.0005 days
Eccentricity: 0.0
Inclination: 83.35 ± 0.41 degrees
Semi-major axis: 0.05727 ± 0.00063 AU
T_eq: 2011 ± 28 K
Mass ratio (M_b/M_star): 0.02844

TOI-569b

Host star parameters

Mass: 1.21 ± 0.05 M_⊙
Radius: 1.48 ± 0.03 R_⊙
T_eff: 5768 ± 110 K
[Fe/H]: +0.29 ± 0.09
Age (MIST): 4.70 ± 1.30 Gyr

Brown dwarf parameters

Mass: 64.1 ± 1.9 M_J
Radius: 0.75 ± 0.02 R_J
Period: 6.556 days
Transit time: 2458523.09192 ± 0.0007 days
Eccentricity: 0.0017
Inclination: 85.37 ± 0.13 degrees
Semi-major axis: 0.07428 ± 0.00059 AU
T_eq: 1227 ± 13 K
Mass ratio (M_b/M_star): 0.05043

TOI-587b

Host star parameters

Mass: 2.33 ± 0.12 M_⊙
Radius: 2.01 ± 0.09 R_⊙
T_eff: 9800 ± 200 K
[Fe/H]: +0.08 ± 0.12
Age (MIST): 0.20 ± 0.10 Gyr

Brown dwarf parameters

Mass: 81.1 ± 7.1 M_J
Radius: 1.32 ± 0.07 R_J
Period: 8.043 days
Transit time: 2458520.15829 ± 0.0005 days
Eccentricity: 0.051
Inclination: 87.93 ± 1.00 degrees
Semi-major axis: 0.1054 ± 0.0018 AU
T_eq: 2062 ± 55 K
Mass ratio (M_b/M_star): 0.0333
.

TOI-588b

Host star parameters

Mass: 2.38 ± 0.10 M_⊙
Radius: 1.86 ± 0.09 R_⊙
T_eff: 10400 ± 800 K
[Fe/H]: -0.01 ± 0.20
Age (MIST): 0.15 ± 0.02 Gyr

Brown dwarf parameters

Mass: 68.0 ± 7.4 M_J
Radius: 1.58 ± 0.07 R_J
Period: 39.4718 days
Transit time: 2459231.75856 ± 0.00021 days
Eccentricity: 0.56
Inclination: 89.13 ± 0.15 degrees
Semi-major axis: 0.3058 ± 0.0042 AU
T_eq: 1237 ± 73 K
Mass ratio (M_b/M_star): 0.02724
.

TOI-746b

Host star parameters

Mass: 0.94 ± 0.09 M_⊙
Radius: 0.97 ± 0.04 R_⊙
T_eff: 5690 ± 140 K
[Fe/H]: -0.02 ± 0.25
Age (MIST): 6.5 ± 4.3 Gyr

Brown dwarf parameters

Mass: 82.2 ± 4.5 M_J
Radius: 0.95 ± 0.09 R_J
Period: 10.980303 days
Transit time: 2458335.77067 ± 0.00054 days
Eccentricity: 0.1985
Inclination: 87.03 ± 0.14 degrees
Semi-major axis: 0.0973 ± 0.0028 AU
T_eq: 867 ± 26 K
Mass ratio (M_b/M_star): 0.083476
.

TOI-811b

Host star parameters

Mass: 1.32 ± 0.07 M_⊙
Radius: 1.27 ± 0.09 R_⊙
T_eff: 6107 ± 77 K
[Fe/H]: +0.40 ± 0.09
Age (Gyrochronology): 0.077 ± 0.064 Gyr

Brown dwarf parameters

Mass: 59.9 ± 13.0 M_J
Radius: 1.26 ± 0.06 R_J
Period: 25.16551 days
Transit time: 2458348.24914 ± 0.00049 days
Eccentricity: 0.509
Inclination: 89.27 ± 0.44 degrees
Semi-major axis: 0.1874 ± 0.0026 AU
T_eq: 762 ± 15 K
Mass ratio (M_b/M_star): 0.0434

TOI-852b

Host star parameters

Mass: 1.32 ± 0.05 M_⊙
Radius: 1.71 ± 0.04 R_⊙
T_eff: 5768 ± 84 K
[Fe/H]: +0.33 ± 0.09
Age (MIST): 4.04 ± 0.76 Gyr

Brown dwarf parameters

Mass: 53.7 ± 1.4 M_J
Radius: 0.83 ± 0.04 R_J
Period: 4.945613 days
Transit time: 2458387.1888 ± 0.0020 days
Eccentricity: 0.0036
Inclination: 84.35 ± 0.30 degrees
Semi-major axis: 0.06300 ± 0.0008 AU
T_eq: 1449 ± 23 K
Mass ratio (M_b/M_star): 0.03903

TOI-1278b

Host star parameters

Mass: 0.54 ± 0.02 M_⊙
Radius: 0.57 ± 0.01 R_⊙
T_eff: 3799 ± 42 K
[Fe/H]: -0.01 ± 0.28
Age: -

Brown dwarf parameters

Mass: 18.5 ± 0.5 M_J
Radius: 1.09 ± 0.24 R_J
Period: 14.47567 days
Transit time: 2458711.9595 ± 0.0013 days
Eccentricity: 0.013
Inclination: 88.3 ± 0.1 degrees
Semi-major axis: 0.095 ± 0.001 AU
T_eq: -
Mass ratio (M_b/M_star): 0.032704
.

TOI-1406b

Host star parameters

Mass: 1.18 ± 0.09 M_⊙
Radius: 1.35 ± 0.03 R_⊙
T_eff: 6290 ± 100 K
[Fe/H]: -0.08 ± 0.09
Age (MIST): 3.20 ± 2.20 Gyr

Brown dwarf parameters

Mass: 46.0 ± 2.7 M_J
Radius: 0.86 ± 0.03 R_J
Period: 10.574 days
Transit time: 2458414.6065 ± 0.0019 days
Eccentricity: 0.026
Inclination: 87.70 ± 0.20 degrees
Semi-major axis: 0.1010 ± 0.0026 AU
T_eq: 1108 ± 18 K
Mass ratio (M_b/M_star): 0.0372

TOI-2119b

Host star parameters

Mass: 0.53 ± 0.02 M_⊙
Radius: 0.50 ± 0.01 R_⊙
T_eff: 3621 ± 48 K
[Fe/H]: +0.06 ± 0.08
Age: 1.17 ± 1.15 Gyr

Brown dwarf parameters

Mass: 64. ± 2.3 M_J
Radius: 1.08 ± 0.03 R_J
Period: 7.200865 days
Transit time: 2458958.678060 ± 0.0007 days
Eccentricity: 0.337
Inclination: 88.42 ± 0.1 degrees
Semi-major axis: 0.0611 ± 0.001 AU
T_eff: 2030 ± 84 K (from eclipse)
Mass ratio (M_b/M_star): 0.1171
.