results

TOI-1259 A b

Timing Plot

Total Reductions to Date: 9

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 3.4779793856481747 3.155308851626489e-07
Ephemeris (BJD_TDB) 2460185.709571789 0.00010026601845373788
Time saved (hours) 0.0001  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 282.1001665 decimal
DEC 79.2564761 decimal
Host Star Metallicity -0.5 0.5 Kokori et al. 2023
Host Star log(g) 4.605 0.013 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 0.711 0.02 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 4775.0 100.0 K Kokori et al. 2023
a/Rs 12.314 0.036 Kokori et al. 2023
eccentricity 0.0 Martin et al. 2021
inclination [degrees] 89.7 0.2 deg Kokori et al. 2023
omega [degrees] 0.0 deg Kokori et al. 2023
orbital period [days] 3.4779791 5.6e-07 day Kokori et al. 2023
Rp 11.46 0.34 R_Earth Martin et al. 2021
Rp/Rs 0.1636 0 Martin et al. 2021
ephemeris [JD] 2458996.240605 3.9e-05 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2458996.240605 3.9e-05 BJD-TDB Kokori et al. 2023
2458686.700531 9.7e-05 BJD-UTC Martin et al. 2021
2459764.874089 6.74e-05 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0005025
Parameter Value Uncertainty
Am1 0.7205 0.0085
Am2 0.203 0.036
a/Rs 12.13 0.1
Rp/Rs 0.1609 0.0083
ephemeris [JD] 2459785.7359 0.002
eccentricity 0.0
inclination [degrees] 89.7
omega [degrees] 0.0
orbital period [days] 3.4779791
u0 1.8072232172174896
u1 -3.216820259021377
u2 3.8036714344716884
u3 -1.3940743359886798
duration 0.1059 0.0011
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 PMIF (collaborate/publish) UNIS
Light curve chart for 0001905
Parameter Value Uncertainty
Am1 0.9595 0.0068
Am2 0.019 0.015
a/Rs 12.15 0.1
Rp/Rs 0.1739 0.01
ephemeris [JD] 2459830.9569 0.0023
eccentricity 0.0
inclination [degrees] 89.7
omega [degrees] 0.0
orbital period [days] 3.4779791
u0 2.6206472690972333
u1 -4.755141760156055
u2 4.838971783894893
u3 -1.704477220729773
duration 0.107 0.0013
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 LPAC (collaborate/publish)
Light curve chart for 0002185
Parameter Value Uncertainty
Am1 1.0284 0.0047
Am2 -0.005 0.029
a/Rs 12.35 0.1
Rp/Rs 0.157 0.011
ephemeris [JD] 2459851.8253 0.0025
eccentricity 0.0
inclination [degrees] 89.7
omega [degrees] 0.0
orbital period [days] 3.4779791
u0 1.8078416582362051
u1 -3.2175178720289543
u2 3.8038141595002704
u3 -1.3941378890262737
duration 0.1013 0.0022
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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 NLIB (collaborate/publish)
Light curve chart for 0002042
Parameter Value Uncertainty
Am1 1.01 0.0052
Am2 -0.0075 0.0086
a/Rs 12.41 0.1
Rp/Rs 0.1557 0.0035
ephemeris [JD] 2459872.69078 0.00097
eccentricity 0.0
inclination [degrees] 89.7
omega [degrees] 0.0
orbital period [days] 3.4779791
u0 2.028673112708947
u1 -3.534228709000872
u2 3.936627989698679
u3 -1.431072334746426
duration 0.10306 0.00089
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
RJ Johnson R 590.0 nm 810.0 nm
Organization Observer Code Secondary Observers
AAVSO MBEB (collaborate/publish)
Light curve chart for 0002186
Parameter Value Uncertainty
Am1 1.0324 0.0026
Am2 -0.0094 0.0098
a/Rs 12.4 0.1
Rp/Rs 0.1669 0.0044
ephemeris [JD] 2459872.6907 0.0013
eccentricity 0.0
inclination [degrees] 89.7
omega [degrees] 0.0
orbital period [days] 3.4779791
u0 1.8069337714255786
u1 -3.211739552558833
u2 3.795311275873767
u3 -1.3905054381859672
duration 0.10422 0.00094
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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 NLIB (collaborate/publish)
Light curve chart for 0004212
Parameter Value Uncertainty
Am1 0.92 0.013
Am2 0.044 0.053
a/Rs 12.45 0.1
Rp/Rs 0.143 0.041
ephemeris [JD] 2460164.8386 0.0077
eccentricity 0.0
inclination [degrees] 89.7
omega [degrees] 0.0
orbital period [days] 3.4779791
u0 1.472271138264328
u1 -2.565541469329634
u2 3.3542169254136893
u3 -1.2609465443666568
duration 0.0805 0.0077
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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 CPHB (collaborate/publish) MOBS
Light curve chart for 0004357
Parameter Value Uncertainty
Am1 0.978 0.011
Am2 0.016 0.042
a/Rs 12.14 0.1
Rp/Rs 0.1744 0.0075
ephemeris [JD] 2460185.7096 0.0024
eccentricity 0.0
inclination [degrees] 89.7
omega [degrees] 0.0
orbital period [days] 3.4779791
u0 1.4712442745559475
u1 -2.563850989971615
u2 3.3513178531544328
u3 -1.258711087800238
duration 0.1071 0.0011
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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 CPHB (collaborate/publish) MOBS
Light curve chart for 0005168
Parameter Value Uncertainty
Am1 0.994 0.023
Am2 0.002 0.025
a/Rs 12.49 0.1
Rp/Rs 0.122 0.018
ephemeris [JD] 2460185.7169 0.005
eccentricity 0.0
inclination [degrees] 89.7
omega [degrees] 0.0
orbital period [days] 3.4779791
u0 1.8065312124925363
u1 -3.2180723751441236
u2 3.8063542709722147
u3 -1.3948130516015294
duration 0.0994 0.0018
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 PMIF (collaborate/publish) UNIS
Light curve chart for 0004732
Parameter Value Uncertainty
Am1 0.7849 0.0086
Am2 0.088 0.021
a/Rs 12.37 0.11
Rp/Rs 0.05 0.029
ephemeris [JD] 2460230.921 0.011
eccentricity 0.0
inclination [degrees] 89.7
omega [degrees] 0.0
orbital period [days] 3.4779791
u0 1.4718920546594048
u1 -2.5651190575848744
u2 3.3532144304751568
u3 -1.259987377582899
duration 0.072 0.011
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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 CPHB (collaborate/publish) MOBS