results
WASP-163 b

Total Reductions to Date: 5
Date Processed: 09/18/2023 at 00:07:19 (PDT)
Exoplanet Watch Ephemeris
Parameter | Value | Uncertainty |
---|---|---|
Orbital Period (Days) | 1.6096849360724703 | 4.4797142303834506e-07 |
Ephemeris (BJD_TDB) | 2460078.6593000055 | 0.00045928223051104963 |
Time saved (hours) | 0.0012 |
Assumed Priors
Parameter | Value | Uncertainty | Units | Reference |
---|---|---|---|---|
RA | 256.5375549 | decimal | ||
DEC | -10.4130071 | decimal | ||
Host Star Metallicity | -0.34 | 0.21 | Barkaoui et al. 2019 | |
Host Star log(g) | 4.41 | 0.04 | Log10(cgs) | Barkaoui et al. 2019 |
Host Star Radius [R_Sun] | 1.01 | 0.07 | Sol | Barkaoui et al. 2019 |
Host Star Effective Temperature [K] | 5500.0 | 200.0 | K | Barkaoui et al. 2019 |
a/Rs | 5.62 | 0.26 | Barkaoui et al. 2019 | |
eccentricity | 0.0 | Barkaoui et al. 2019 | ||
inclination [degrees] | 85.42 | 1.1 | deg | Barkaoui et al. 2019 |
omega [degrees] | 0.0 | deg | Barkaoui et al. 2019 | |
orbital period [days] | 1.6096884 | 1.5e-06 | day | Barkaoui et al. 2019 |
Rp | 13.47 | 1.09 | R_Earth | Barkaoui et al. 2019 |
Rp/Rs | 0.119 | 0 | Barkaoui et al. 2019 | |
ephemeris [JD] | 2457918.462 | 0.0004 | HJD | Barkaoui et al. 2019 |
Previously Published Mid-Transit Times
Value | Uncertainty | Units | Reference |
---|---|---|---|
2457918.462 | 0.0004 | HJD | Barkaoui et al. 2019 |
Observations

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 5.74 | 0.11 |
Am2 | -0.0635 | 0.008 |
a/Rs | 5.39 | 0.7 |
Rp/Rs | 0.073 | 0.027 |
ephemeris [JD] | 2459038.8069 | 0.0099 |
eccentricity | 0.0 | |
inclination [degrees] | 85.42 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.6096884 | |
u0 | 2.381276191255055 | |
u1 | -4.212980450383347 | |
u2 | 4.401847065575041 | |
u3 | -1.5701427408541164 | |
duration | 0.093 | 0.015 |
Not included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
CBB | Clear with blue-blocking | 500.0 nm | 1000.0 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | LPAC (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.944 | 0.011 |
Am2 | 0.04 | 0.045 |
a/Rs | 5.68 | 0.41 |
Rp/Rs | 0.136 | 0.019 |
ephemeris [JD] | 2459347.8691 | 0.0037 |
eccentricity | 0.0 | |
inclination [degrees] | 85.42 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.6096884 | |
u0 | 1.688752702194106 | |
u1 | -2.8258604232250204 | |
u2 | 3.428147344384072 | |
u3 | -1.2910395722697814 | |
duration | 0.0949 | 0.0085 |
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 | FGIC (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.96 | 0.057 |
Am2 | 0.024 | 0.019 |
a/Rs | 6.18 | 0.76 |
Rp/Rs | 0.118 | 0.049 |
ephemeris [JD] | 2459706.831 | 0.011 |
eccentricity | 0.0 | |
inclination [degrees] | 85.42 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.6096884 | |
u0 | 2.3806849093554003 | |
u1 | -4.211686617909925 | |
u2 | 4.400700925331615 | |
u3 | -1.5696991512015366 | |
duration | 0.083 | 0.014 |
Not included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
CBB | Astrodon ExoPlanet-BB | 500.0 nm | 1000.0 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | LPAC (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9976 | 0.0027 |
Am2 | 0.0015 | 0.0011 |
a/Rs | 5.529 | 0.092 |
Rp/Rs | 0.1199 | 0.0022 |
ephemeris [JD] | 2459727.75018 | 0.00081 |
eccentricity | 0.0 | |
inclination [degrees] | 85.42 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.6096884 | |
u0 | 2.075520495589875 | |
u1 | -3.5292664814994175 | |
u2 | 3.8527826339624043 | |
u3 | -1.3990365906419266 | |
duration | 0.0962 | 0.0019 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
R | Cousins R | 561.7 nm | 719.7 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | KADB (collaborate/publish) | CWT |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.008 | 0.0024 |
Am2 | -0.00065 | 0.00065 |
a/Rs | 5.496 | 0.066 |
Rp/Rs | 0.1156 | 0.0016 |
ephemeris [JD] | 2460078.65835 | 0.00055 |
eccentricity | 0.0 | |
inclination [degrees] | 85.42 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.6096884 | |
u0 | 2.0738404531053267 | |
u1 | -3.5270219077610863 | |
u2 | 3.8517752037836623 | |
u3 | -1.3985936917319797 | |
duration | 0.0966 | 0.0013 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
R | Cousins R | 561.7 nm | 719.7 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | SMAJA (collaborate/publish) | ZMID |