results
TOI-4137 b

Total Reductions to Date: 4
Date Processed: 06/06/2025 at 07:00:04 (PDT)
Exoplanet Watch Ephemeris
Parameter | Value | Uncertainty |
---|---|---|
Orbital Period (Days) | 3.801627891294718 | 2.5756891862797527e-06 |
Ephemeris (BJD_TDB) | 2460309.631223445 | 0.0007360453548141373 |
Assumed Priors
Parameter | Value | Uncertainty | Units | Reference |
---|---|---|---|---|
RA | 77.612879 | decimal | ||
DEC | 70.391079 | decimal | ||
Host Star Metallicity | 0.182 | 0.083 | Yee et al. 2022 | |
Host Star log(g) | 4.24 | 0.031 | Log10(cgs) | Yee et al. 2022 |
Host Star Radius [R_Sun] | 1.438 | 0.039 | Sol | Yee et al. 2022 |
Host Star Effective Temperature [K] | 6202.0 | 94.0 | K | Yee et al. 2022 |
a/Rs | 7.8 | 0.24 | Yee et al. 2022 | |
eccentricity | 0.0 | 0.048 | Yee et al. 2022 | |
inclination [degrees] | 85.7 | 0.4 | deg | Yee et al. 2022 |
omega [degrees] | 0.0 | deg | Yee et al. 2022 | |
orbital period [days] | 3.8016122 | 6.5e-06 | day | Yee et al. 2022 |
Rp | 13.57 | 0.45 | R_Earth | Yee et al. 2022 |
Rp/Rs | 0.0865 | 0 | Yee et al. 2022 | |
ephemeris [JD] | 2458990.46651 | 0.00033 | BJD-TDB | Yee et al. 2022 |
Previously Published Mid-Transit Times
Value | Uncertainty | Units | Reference |
---|---|---|---|
2458990.46651 | 0.00033 | BJD-TDB | Yee et al. 2022 |
2459762.195685 | 0.0004234 | BJD | ExoFOP-TESS TOI |
Observations

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.1003 | 0.009 |
Am2 | -0.066 | 0.019 |
a/Rs | 9.0 | 0.24 |
Rp/Rs | 0.119 | 0.011 |
ephemeris [JD] | 2459963.7 | 0.002 |
eccentricity | 0.0 | |
inclination [degrees] | 85.7 | |
omega [degrees] | 0.0 | |
orbital period [days] | 3.8016122 | |
u0 | 2.122853311271852 | |
u1 | -3.883653480356662 | |
u2 | 4.380186893646759 | |
u3 | -1.6193866592920791 | |
duration | 0.1205 | 0.0053 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
CV | Clear (unfiltered) reduced to V sequence | 350.0 nm | 850.0 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | PMIF (collaborate/publish) | UNIS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0037 | 0.0027 |
Am2 | 0.0001 | 0.0017 |
a/Rs | 7.99 | 0.25 |
Rp/Rs | 0.0815 | 0.003 |
ephemeris [JD] | 2460286.8214 | 0.0032 |
eccentricity | 0.0 | |
inclination [degrees] | 85.7 | |
omega [degrees] | 0.0 | |
orbital period [days] | 3.8016122 | |
u0 | 1.905102228268767 | |
u1 | -3.4016909711257814 | |
u2 | 4.003040590659396 | |
u3 | -1.5064517881524297 | |
duration | 0.1369 | 0.0062 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
V | Johnson V | 502.8 nm | 586.8 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | AKV (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9292 | 0.0079 |
Am2 | 0.057 | 0.023 |
a/Rs | 7.19 | 0.5 |
Rp/Rs | 0.134 | 0.011 |
ephemeris [JD] | 2460305.8447 | 0.0058 |
eccentricity | 0.0 | |
inclination [degrees] | 85.7 | |
omega [degrees] | 0.0 | |
orbital period [days] | 3.8016122 | |
u0 | 2.123300308970218 | |
u1 | -3.885459086503663 | |
u2 | 4.3825872121114875 | |
u3 | -1.6204283692724033 | |
duration | 0.1152 | 0.0097 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
CV | Clear (unfiltered) reduced to V sequence | 350.0 nm | 850.0 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | PMIF (collaborate/publish) | UNIS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9514 | 0.0077 |
Am2 | 0.035 | 0.011 |
a/Rs | 8.99 | 0.4 |
Rp/Rs | 0.0994 | 0.0085 |
ephemeris [JD] | 2460309.6351 | 0.0064 |
eccentricity | 0.0 | |
inclination [degrees] | 85.7 | |
omega [degrees] | 0.0 | |
orbital period [days] | 3.8016122 | |
u0 | 2.12276278006409 | |
u1 | -3.884440178597682 | |
u2 | 4.381605403273008 | |
u3 | -1.6199279394484072 | |
duration | 0.1171 | 0.0087 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
CV | Clear (unfiltered) reduced to V sequence | 350.0 nm | 850.0 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | PMIF (collaborate/publish) | UNIS |