results
TOI-1259 A b

Total Reductions to Date: 6
Date Processed: 09/18/2023 at 00:07:19 (PDT)
Exoplanet Watch Ephemeris
Parameter | Value | Uncertainty |
---|---|---|
Orbital Period (Days) | 3.4779792093604045 | 3.8131254213229916e-07 |
Ephemeris (BJD_TDB) | 2460185.709571068 | 9.968185036795453e-05 |
Time saved (hours) | 0.0006 |
Assumed Priors
Parameter | Value | Uncertainty | Units | Reference |
---|---|---|---|---|
RA | 282.1001665 | decimal | ||
DEC | 79.2564761 | decimal | ||
Host Star Metallicity | -0.5 | 0.5 | Martin et al. 2021 | |
Host Star log(g) | 4.61 | 0.01 | Log10(cgs) | Martin et al. 2021 |
Host Star Radius [R_Sun] | 0.71 | 0.02 | Sol | Martin et al. 2021 |
Host Star Effective Temperature [K] | 4775.0 | 100.0 | K | Martin et al. 2021 |
a/Rs | 12.314 | 0.036 | Martin et al. 2021 | |
eccentricity | 0.0 | Martin et al. 2021 | ||
inclination [degrees] | 89.7 | 0.2 | deg | Martin et al. 2021 |
omega [degrees] | 0.0 | deg | Martin et al. 2021 | |
orbital period [days] | 3.477978 | 1.9e-06 | day | Martin et al. 2021 |
Rp | 11.46 | 0.34 | R_Earth | Martin et al. 2021 |
Rp/Rs | 0.1636 | 0 | Martin et al. 2021 | |
ephemeris [JD] | 2458686.700531 | 9.7e-05 | BJD-UTC | Martin et al. 2021 |
Previously Published Mid-Transit Times
Value | Uncertainty | Units | Reference |
---|---|---|---|
2458686.700531 | 9.7e-05 | BJD-UTC | Martin et al. 2021 |
2459764.874089 | 6.7e-05 | BJD | ExoFOP-TESS TOI |
Observations

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.955 | 0.0068 |
Am2 | 0.022 | 0.015 |
a/Rs | 12.14 | 0.1 |
Rp/Rs | 0.176 | 0.01 |
ephemeris [JD] | 2459830.9573 | 0.0023 |
eccentricity | 0.0 | |
inclination [degrees] | 89.7 | |
omega [degrees] | 0.0 | |
orbital period [days] | 3.477978 | |
u0 | 2.62143810913293 | |
u1 | -4.756673104364265 | |
u2 | 4.840579297086198 | |
u3 | -1.7053442297246106 | |
duration | 0.1072 | 0.0013 |
Included in ephemeris calculations
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0277 | 0.0047 |
Am2 | -0.006 | 0.028 |
a/Rs | 12.38 | 0.1 |
Rp/Rs | 0.157 | 0.011 |
ephemeris [JD] | 2459851.8254 | 0.0024 |
eccentricity | 0.0 | |
inclination [degrees] | 89.7 | |
omega [degrees] | 0.0 | |
orbital period [days] | 3.477978 | |
u0 | 1.8072528885916876 | |
u1 | -3.2177398002440833 | |
u2 | 3.8056175883242878 | |
u3 | -1.395130619963771 | |
duration | 0.1011 | 0.0021 |
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 | NLIB (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0107 | 0.0052 |
Am2 | -0.008 | 0.0087 |
a/Rs | 12.42 | 0.1 |
Rp/Rs | 0.1556 | 0.0035 |
ephemeris [JD] | 2459872.69076 | 0.00095 |
eccentricity | 0.0 | |
inclination [degrees] | 89.7 | |
omega [degrees] | 0.0 | |
orbital period [days] | 3.477978 | |
u0 | 2.0278023530123486 | |
u1 | -3.531970973005377 | |
u2 | 3.9344266360654974 | |
u3 | -1.4302579574449434 | |
duration | 0.10306 | 0.00091 |
Included in ephemeris calculations
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0328 | 0.0026 |
Am2 | -0.0099 | 0.01 |
a/Rs | 12.38 | 0.1 |
Rp/Rs | 0.1668 | 0.0045 |
ephemeris [JD] | 2459872.6907 | 0.0014 |
eccentricity | 0.0 | |
inclination [degrees] | 89.7 | |
omega [degrees] | 0.0 | |
orbital period [days] | 3.477978 | |
u0 | 1.8070530961891695 | |
u1 | -3.217026503870767 | |
u2 | 3.804639739173126 | |
u3 | -1.3946662747979781 | |
duration | 0.10438 | 0.00096 |
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 | NLIB (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.918 | 0.013 |
Am2 | 0.047 | 0.055 |
a/Rs | 12.49 | 0.11 |
Rp/Rs | 0.141 | 0.043 |
ephemeris [JD] | 2460164.8382 | 0.0078 |
eccentricity | 0.0 | |
inclination [degrees] | 89.7 | |
omega [degrees] | 0.0 | |
orbital period [days] | 3.477978 | |
u0 | 1.471018996252392 | |
u1 | -2.556928187888887 | |
u2 | 3.340858596713384 | |
u3 | -1.2549493552942166 | |
duration | 0.0793 | 0.0079 |
Not 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 | CPHB (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.979 | 0.011 |
Am2 | 0.016 | 0.041 |
a/Rs | 12.15 | 0.1 |
Rp/Rs | 0.1746 | 0.0072 |
ephemeris [JD] | 2460185.7095 | 0.0024 |
eccentricity | 0.0 | |
inclination [degrees] | 89.7 | |
omega [degrees] | 0.0 | |
orbital period [days] | 3.477978 | |
u0 | 1.4716539039124157 | |
u1 | -2.5594078526062 | |
u2 | 3.344250365955511 | |
u3 | -1.2564963674285128 | |
duration | 0.1071 | 0.0011 |
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 | CPHB (collaborate/publish) | MOBS |