results
WASP-59 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) | 7.919590731115357 | 1.2214900622524559e-06 |
Ephemeris (BJD_TDB) | 2460178.8112427797 | 0.0003676456054818747 |
Time saved (hours) | 0.0141 |
Assumed Priors
Parameter | Value | Uncertainty | Units | Reference |
---|---|---|---|---|
RA | 349.6229547 | decimal | ||
DEC | 24.889277 | decimal | ||
Host Star Metallicity | -0.15 | 0.11 | Bonomo et al. 2017 | |
Host Star log(g) | 4.51 | 0.11 | Log10(cgs) | ExoFOP-TESS TOI |
Host Star Radius [R_Sun] | 0.76 | 0.07 | Sol | ExoFOP-TESS TOI |
Host Star Effective Temperature [K] | 4302.0 | 130.57 | K | ExoFOP-TESS TOI |
a/Rs | 24.39 | 1.926 | Hebrard et al. 2013 | |
eccentricity | 0.12 | 0.042 | Bonomo et al. 2017 | |
inclination [degrees] | 89.27 | 0.52 | deg | Bonomo et al. 2017 |
omega [degrees] | 75.0 | 14.0 | deg | Bonomo et al. 2017 |
orbital period [days] | 7.91926 | 0.00034 | day | ExoFOP-TESS TOI |
Rp | 11.53 | 1.04 | R_Earth | ExoFOP-TESS TOI |
Rp/Rs | 0.1465 | 0 | ExoFOP-TESS TOI | |
ephemeris [JD] | 2459830.349006 | 0.000453 | BJD | ExoFOP-TESS TOI |
Previously Published Mid-Transit Times
Value | Uncertainty | Units | Reference |
---|---|---|---|
2455830.95595 | 0.00053 | BJD-TDB, HJD | Bonomo et al. 2017, Hebrard et al. 2013 |
2459830.349006 | 0.000453 | BJD | ExoFOP-TESS TOI |
Observations

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.053 | 0.055 |
Am2 | -0.048 | 0.025 |
a/Rs | 25.42 | 5.36 |
Rp/Rs | 0.148 | 0.061 |
ephemeris [JD] | 2459473.974 | 0.011 |
eccentricity | 0.12 | |
inclination [degrees] | 89.27 | |
omega [degrees] | 75.0 | |
orbital period [days] | 7.91926 | |
u0 | 1.2850792868947318 | |
u1 | -1.8828207843729752 | |
u2 | 2.4049037662270445 | |
u3 | -0.8071622329129424 | |
duration | 0.088 | 0.017 |
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 | SMAMA (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.036 | 0.065 |
Am2 | -0.027 | 0.06 |
a/Rs | 34.0 | 5.66 |
Rp/Rs | 0.153 | 0.052 |
ephemeris [JD] | 2459893.724 | 0.013 |
eccentricity | 0.12 | |
inclination [degrees] | 89.27 | |
omega [degrees] | 75.0 | |
orbital period [days] | 7.91926 | |
u0 | 1.2848120661489484 | |
u1 | -1.882751926041458 | |
u2 | 2.405073260958045 | |
u3 | -0.8071333652271513 | |
duration | 0.072 | 0.015 |
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 | LIGA (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.945 | 0.016 |
Am2 | 0.0476 | 0.005 |
a/Rs | 31.37 | 1.43 |
Rp/Rs | 0.168 | 0.0052 |
ephemeris [JD] | 2459901.6322 | 0.0015 |
eccentricity | 0.12 | |
inclination [degrees] | 89.27 | |
omega [degrees] | 75.0 | |
orbital period [days] | 7.91926 | |
u0 | 1.647545119418542 | |
u1 | -2.5526168827675786 | |
u2 | 2.8804702547704206 | |
u3 | -0.9753984484990321 | |
duration | 0.0796 | 0.0039 |
Included in ephemeris calculations
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.867 | 0.016 |
Am2 | 0.125 | 0.027 |
a/Rs | 24.05 | 3.21 |
Rp/Rs | 0.1829 | 0.0088 |
ephemeris [JD] | 2460178.8154 | 0.0047 |
eccentricity | 0.12 | |
inclination [degrees] | 89.27 | |
omega [degrees] | 75.0 | |
orbital period [days] | 7.91926 | |
u0 | 1.6485078923916283 | |
u1 | -2.5543495478892346 | |
u2 | 2.8819185289958504 | |
u3 | -0.9760768305543113 | |
duration | 0.047 | 0.0096 |
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 | NANF (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9998 | 0.003 |
Am2 | 0 | |
a/Rs | 25.25 | 0.49 |
Rp/Rs | 0.1348 | 0.0021 |
ephemeris [JD] | 2459838.26802 | 0.00075 |
eccentricity | 0.12 | |
inclination [degrees] | 89.27 | |
omega [degrees] | 75.0 | |
orbital period [days] | 7.91926 | |
u0 | 2.1534054391077504 | |
u1 | -3.500256023416877 | |
u2 | 3.571005117138213 | |
u3 | -1.224154479616963 | |
duration | 0.0979 | 0.002 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
I | Cousins I | 721.0 nm | 875.0 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
EPW | TESS (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0 | 0.0023 |
Am2 | 0 | |
a/Rs | 24.49 | 0.38 |
Rp/Rs | 0.1324 | 0.0018 |
ephemeris [JD] | 2459830.34901 | 0.00067 |
eccentricity | 0.12 | |
inclination [degrees] | 89.27 | |
omega [degrees] | 75.0 | |
orbital period [days] | 7.91926 | |
u0 | 2.1532198319754388 | |
u1 | -3.498762644879766 | |
u2 | 3.568909238906878 | |
u3 | -1.2233663728216584 | |
duration | 0.1008 | 0.0017 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
I | Cousins I | 721.0 nm | 875.0 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
EPW | TESS (collaborate/publish) |