results

WASP-183 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) 4.111764124230158 4.224918162132755e-06
Ephemeris (BJD_TDB) 2460028.8724485217 0.0007102331509955149
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 163.7888521 decimal
DEC -0.7370663 decimal
Host Star Metallicity -0.31 0.04 Kokori et al. 2023
Host Star log(g) 4.452 0.043 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 0.871 0.038 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 5313.0 72.0 K Kokori et al. 2023
a/Rs 11.44 0.54 Kokori et al. 2023
eccentricity 0.0 Kokori et al. 2023
inclination [degrees] 85.37 0.61 deg Kokori et al. 2023
omega [degrees] 0.0 deg Kokori et al. 2023
orbital period [days] 4.1117634 5.1e-06 day Kokori et al. 2023
Rp 16.48 10.54 R_Earth Turner et al. 2019
Rp/Rs 0.1503 0 Turner et al. 2019
ephemeris [JD] 2459465.56094 0.00025 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2459465.56094 0.00025 BJD-TDB Kokori et al. 2023
2459259.97278 0.00045 BJD-TDB Ivshina & Winn 2022
2457796.1845 0.0024 JD Turner et al. 2019
2459255.860453 0.00029375 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0000315
Parameter Value Uncertainty
Am1 1.164 0.022
Am2 0.037 0.027
a/Rs 12.63 0.93
Rp/Rs 0.293 0.042
ephemeris [JD] 2458955.7111 0.004
eccentricity 0.0
inclination [degrees] 85.37
omega [degrees] 0.0
orbital period [days] 4.1117634
u0 1.9064704077879335
u1 -3.341814128469712
u2 3.8424248415246858
u3 -1.4070810635863151
duration 0.082 0.018
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 MFRC (collaborate/publish)
Light curve chart for 0012953
Parameter Value Uncertainty
Am1 2.04819 0.00058
Am2 -0.27 0.19
a/Rs 13.55 1.56
Rp/Rs 0.05 0.087
ephemeris [JD] 2459181.848 0.012
eccentricity 0.0
inclination [degrees] 85.37
omega [degrees] 0.0
orbital period [days] 4.1117634
u0 1.6102807710882798
u1 -2.7021696498084773
u2 3.354475611711545
u3 -1.2625866830057655
duration 0 0
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 FSEB (collaborate/publish) MOBS
Light curve chart for 0005909
Parameter Value Uncertainty
Am1 0.206 0.071
Am2 0.99 0.56
a/Rs 10.06 1.55
Rp/Rs 0.3 0.087
ephemeris [JD] 2459259.955 0.012
eccentricity 0.0
inclination [degrees] 85.37
omega [degrees] 0.0
orbital period [days] 4.1117634
u0 1.6108971374347891
u1 -2.7032951372455813
u2 3.355367551669412
u3 -1.2629695018597467
duration 0 0
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 KSAG (collaborate/publish) MOBS
Light curve chart for 0003287
Parameter Value Uncertainty
Am1 0.976 0.03
Am2 0.021 0.018
a/Rs 11.48 1.16
Rp/Rs 0.246 0.053
ephemeris [JD] 2459621.8232 0.0067
eccentricity 0.0
inclination [degrees] 85.37
omega [degrees] 0.0
orbital period [days] 4.1117634
u0 1.6108286976075044
u1 -2.7015050782243915
u2 3.352377819376003
u3 -1.261701388804794
duration 0 0
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 VDAD (collaborate/publish) MOBS
Light curve chart for 0003280
Parameter Value Uncertainty
Am1 0.9 0.41
Am2 0.09 0.29
a/Rs 13.68 1.57
Rp/Rs 0.276 0.085
ephemeris [JD] 2459654.721 0.012
eccentricity 0.0
inclination [degrees] 85.37
omega [degrees] 0.0
orbital period [days] 4.1117634
u0 1.6105115551471407
u1 -2.701668449992238
u2 3.3532581382463182
u3 -1.262101193433781
duration 0 0
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 TKVA (collaborate/publish) MOBS
Light curve chart for 0007148
Parameter Value Uncertainty
Am1 0.66 0.85
Am2 1.0 0.57
a/Rs 11.0 1.54
Rp/Rs 0.298 0.087
ephemeris [JD] 2459691.697 0.012
eccentricity 0.0
inclination [degrees] 85.37
omega [degrees] 0.0
orbital period [days] 4.1117634
u0 1.6110392447820676
u1 -2.7031850473115013
u2 3.3549030411142877
u3 -1.2627571885929032
duration 0 0
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 VVAB (collaborate/publish) MOBS
Light curve chart for 0005850
Parameter Value Uncertainty
Am1 0.132 0.032
Am2 0.99 0.51
a/Rs 8.92 1.56
Rp/Rs 0.271 0.086
ephemeris [JD] 2459917.835 0.012
eccentricity 0.0
inclination [degrees] 85.37
omega [degrees] 0.0
orbital period [days] 4.1117634
u0 1.610901775918865
u1 -2.7024287667294398
u2 3.353941824476309
u3 -1.2624147836881061
duration 0 0
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 MGAG (collaborate/publish) MOBS
Light curve chart for 0008944
Parameter Value Uncertainty
Am1 0.938 0.027
Am2 0.047 0.011
a/Rs 13.91 1.55
Rp/Rs 0.287 0.069
ephemeris [JD] 2459921.987 0.012
eccentricity 0.0
inclination [degrees] 85.37
omega [degrees] 0.0
orbital period [days] 4.1117634
u0 1.6111682572294423
u1 -2.702223371915624
u2 3.3530300961491304
u3 -1.2619749314989064
duration 0 0
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 MMASA (collaborate/publish) MOBS
Light curve chart for 0003093
Parameter Value Uncertainty
Am1 1.0107 0.0078
Am2 -0.0066 0.0026
a/Rs 11.04 0.5
Rp/Rs 0.18 0.027
ephemeris [JD] 2460028.871 0.0016
eccentricity 0.0
inclination [degrees] 85.37
omega [degrees] 0.0
orbital period [days] 4.1117634
u0 1.6108497242714666
u1 -2.7014721649690774
u2 3.352256515673162
u3 -1.2616340250230365
duration 0.092 0.011
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 CCHD (collaborate/publish)