results

TOI-1431 b

Timing Plot

Total Reductions to Date: 4

Date Processed: 09/06/2025 at 07:00:04 (PDT)

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 2.6502321233371005 1.4866772139868598e-07
Ephemeris (BJD_TDB) 2460554.5863731606 7.822411150629195e-05
Time saved (hours) 0.0019  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 316.2036922 decimal
DEC 55.5880221 decimal
Host Star Metallicity 0.09 0.03 Addison et al. 2021
Host Star log(g) 4.15 0.04 Log10(cgs) Addison et al. 2021
Host Star Radius [R_Sun] 1.92 0.07 Sol Addison et al. 2021
Host Star Effective Temperature [K] 7690.0 400.0 K Addison et al. 2021
a/Rs 5.15 0.05 Addison et al. 2021
eccentricity 0.0022 0.003 Addison et al. 2021
inclination [degrees] 80.13 0.13 deg Addison et al. 2021
omega [degrees] 108.0 92.0 deg Addison et al. 2021
orbital period [days] 2.650237 3e-06 day Addison et al. 2021
Rp 16.7 0.56 R_Earth Addison et al. 2021
Rp/Rs 0.0761 0 Addison et al. 2021
ephemeris [JD] 2458739.17737 7e-05 BJD-TDB Addison et al. 2021

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2458739.17737 7e-05 BJD-TDB Addison et al. 2021
2460554.58625 8.02e-05 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0001612
Parameter Value Uncertainty
Am1 1.0293 0.0058
Am2 -0.0246 0.0051
a/Rs 5.398 0.071
Rp/Rs 0.1501 0.006
ephemeris [JD] 2459756.84757 0.00094
eccentricity 0.0022
inclination [degrees] 80.13
omega [degrees] 108.0
orbital period [days] 2.650237
u0 3.509383870182123
u1 -6.453185944861256
u2 5.9181517216217765
u3 -1.9743495587553102
duration 0.1088 0.0042
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
IJ Johnson I 780.0 nm 1020.0 nm
Organization Observer Code Secondary Observers
AAVSO MBEB (collaborate/publish)
Light curve chart for 0004070
Parameter Value Uncertainty
Am1 0.991 0.018
Am2 0.007 0.023
a/Rs 4.903 0.07
Rp/Rs 0.1521 0.0048
ephemeris [JD] 2460143.82378 0.00075
eccentricity 0.0022
inclination [degrees] 80.13
omega [degrees] 108.0
orbital period [days] 2.650237
u0 2.3813123168417425
u1 -4.083037705177374
u2 4.222330556099231
u3 -1.5206051048459708
duration 0.1274 0.0023
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
CV MObs CV 350.0 nm 850.0 nm
Organization Observer Code Secondary Observers
AAVSO NANF (collaborate/publish)
Light curve chart for 0004446
Parameter Value Uncertainty
Am1 1.0388 0.0073
Am2 -0.0331 0.0055
a/Rs 5.232 0.088
Rp/Rs 0.1172 0.0082
ephemeris [JD] 2460196.8026 0.0025
eccentricity 0.0022
inclination [degrees] 80.13
omega [degrees] 108.0
orbital period [days] 2.650237
u0 3.5112190409876707
u1 -6.457494670451078
u2 5.921616546181184
u3 -1.9753408284788136
duration 0.1096 0.0055
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
IJ Johnson I 780.0 nm 1020.0 nm
Organization Observer Code Secondary Observers
AAVSO MBEB (collaborate/publish)
Light curve chart for 0004636
Parameter Value Uncertainty
Am1 1.0033 0.0054
Am2 -0.003 0.012
a/Rs 5.399 0.034
Rp/Rs 0.1159 0.0068
ephemeris [JD] 2460212.7038 0.0017
eccentricity 0.0022
inclination [degrees] 80.13
omega [degrees] 108.0
orbital period [days] 2.650237
u0 3.5082544495675534
u1 -6.450184331043683
u2 5.915282645474827
u3 -1.9733526758541173
duration 0.0993 0.0026
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
IJ Johnson I 780.0 nm 1020.0 nm
Organization Observer Code Secondary Observers
AAVSO MBEB (collaborate/publish)