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WASP-103 b

View target in exoplanet catalog
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Total Reductions to Date: 12

Date Processed: 09/18/2023 at 00:07:19 (PDT)

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 0.9255453126214012 1.0697025094369757e-07
Ephemeris (BJD_TDB) 2460174.738371686 0.0003557495989856097
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 249.3148604 decimal
DEC 7.1833758 decimal
Host Star Metallicity 0.06 0.13 Kokori et al. 2022
Host Star log(g) 4.22 0.12 Log10(cgs) Kokori et al. 2022
Host Star Radius [R_Sun] 1.44 0.05 Sol Kokori et al. 2022
Host Star Effective Temperature [K] 6110.0 160.0 K Kokori et al. 2022
a/Rs 3.013 0.0173 Southworth & Evans 2016
eccentricity 0.15 Bonomo et al. 2017
inclination [degrees] 86.3 2.7 deg Bonomo et al. 2017
omega [degrees] 0.0 deg Ivshina & Winn 2022
orbital period [days] 0.92554542 1.1e-07 day Ivshina & Winn 2022
Rp 17.13 0.82 R_Earth Bonomo et al. 2017
Rp/Rs 0.1093 0 Addison et al. 2016
ephemeris [JD] 2457511.944436 7.6e-05 BJD-TDB Ivshina & Winn 2022

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2457511.944436 7.6e-05 BJD-TDB Ivshina & Winn 2022
2457132.47094 4e-05 BJD-TDB Kokori et al. 2022
2456836.296445 5.5e-05 BJD-TDB Bonomo et al. 2017
2456800.19903 0.00075 HJD Addison et al. 2016
2456459.59957 0.00075 BJD-TDB Gillon et al. 2014

Observations

Light curve chart for 0000800
Parameter Value Uncertainty
Am1 0.97 0.0048
Am2 0.0221 0.0065
a/Rs 2.927 0.044
Rp/Rs 0.0995 0.0057
ephemeris [JD] 2459328.7888 0.0016
eccentricity 0.15
inclination [degrees] 86.3
omega [degrees] 0.0
orbital period [days] 0.92554542
u0 1.814257410068545
u1 -3.2715135079810214
u2 3.965393584457788
u3 -1.5081374274563424
duration 0.111 0.002
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
NA Custom 500.0 nm 580.0 nm
Organization Observer Code Secondary Observers
AAVSO WLUB (collaborate/publish) SERC
Light curve chart for 0000739
Parameter Value Uncertainty
Am1 1.0542 0.0056
Am2 -0.0371 0.0055
a/Rs 2.927 0.034
Rp/Rs 0.156 0.0038
ephemeris [JD] 2459378.7671 0.0011
eccentricity 0.15
inclination [degrees] 86.3
omega [degrees] 0.0
orbital period [days] 0.92554542
u0 1.8339933840281148
u1 -3.2986064136594972
u2 3.9714704187936456
u3 -1.5068573299827421
duration 0.1172 0.0016
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 KJEB (collaborate/publish)
Light curve chart for 0004190
Parameter Value Uncertainty
Am1 1.0087 0.0086
Am2 -0.0067 0.0052
a/Rs 2.927 0.045
Rp/Rs 0.1328 0.006
ephemeris [JD] 2459712.9025 0.0028
eccentricity 0.15
inclination [degrees] 86.3
omega [degrees] 0.0
orbital period [days] 0.92554542
u0 2.238202571367547
u1 -3.955338285084868
u2 4.2599326958183585
u3 -1.5427969186230936
duration 0.1146 0.0021
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
NA Custom 597.0 nm 697.0 nm
Organization Observer Code Secondary Observers
AAVSO VVIA (collaborate/publish)
Light curve chart for 0001609
Parameter Value Uncertainty
Am1 1.325 0.012
Am2 -0.231 0.034
a/Rs 3.097 0.048
Rp/Rs 0.105 0.022
ephemeris [JD] 2459712.882 0.0058
eccentricity 0.15
inclination [degrees] 86.3
omega [degrees] 0.0
orbital period [days] 0.92554542
u0 1.5451907414867
u1 -2.916053505711294
u2 3.909145745325724
u3 -1.5382829228503194
duration 0.1048 0.0029
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
SG Sloan g 402.5 nm 551.5 nm
Organization Observer Code Secondary Observers
AAVSO DSCC (collaborate/publish) WDAD , HJED
Light curve chart for 0001467
Parameter Value Uncertainty
Am1 0.91 0.011
Am2 0.074 0.035
a/Rs 2.928 0.049
Rp/Rs 0.108 0.027
ephemeris [JD] 2459712.8876 0.0053
eccentricity 0.15
inclination [degrees] 86.3
omega [degrees] 0.0
orbital period [days] 0.92554542
u0 1.8331854532264515
u1 -3.2965376261093917
u2 3.969272751290181
u3 -1.5059205192604677
duration 0.1091 0.0044
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 LPAC (collaborate/publish)
Light curve chart for 0001469
Parameter Value Uncertainty
Am1 1.0017 0.0057
Am2 -0.0011 0.0028
a/Rs 2.985 0.047
Rp/Rs 0.1203 0.0047
ephemeris [JD] 2459713.82 0.0013
eccentricity 0.15
inclination [degrees] 86.3
omega [degrees] 0.0
orbital period [days] 0.92554542
u0 2.459635211385347
u1 -4.448179356534792
u2 4.653079589206543
u3 -1.664535374720809
duration 0.1106 0.002
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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 MBEB (collaborate/publish)
Light curve chart for 0001508
Parameter Value Uncertainty
Am1 0.9936 0.0095
Am2 0.0038 0.0036
a/Rs 2.962 0.047
Rp/Rs 0.1024 0.0063
ephemeris [JD] 2459727.7021 0.0019
eccentricity 0.15
inclination [degrees] 86.3
omega [degrees] 0.0
orbital period [days] 0.92554542
u0 1.8430269936471124
u1 -3.4122009385885046
u2 4.1490691119791485
u3 -1.5798951052118095
duration 0.1099 0.002
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
NA Custom 385.0 nm 700.0 nm
Organization Observer Code Secondary Observers
AAVSO NANF (collaborate/publish)
Light curve chart for 0003106
Parameter Value Uncertainty
Am1 1.2224 0.0073
Am2 -0.173 0.018
a/Rs 2.939 0.05
Rp/Rs 0.116 0.028
ephemeris [JD] 2460035.9083 0.0098
eccentricity 0.15
inclination [degrees] 86.3
omega [degrees] 0.0
orbital period [days] 0.92554542
u0 2.0547925000996132
u1 -3.786562668117413
u2 4.35297633287008
u3 -1.6212060999878783
duration 0.1115 0.0044
Not 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 MBEB (collaborate/publish)
Light curve chart for 0003384
Parameter Value Uncertainty
Am1 0.9488 0.004
Am2 0.0406 0.0085
a/Rs 2.947 0.049
Rp/Rs 0.0882 0.008
ephemeris [JD] 2460060.8966 0.0024
eccentricity 0.15
inclination [degrees] 86.3
omega [degrees] 0.0
orbital period [days] 0.92554542
u0 2.404457286545908
u1 -4.2802963824457
u2 4.47223465897333
u3 -1.596395496432049
duration 0.1088 0.002
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 0004000
Parameter Value Uncertainty
Am1 1.06 0.1
Am2 -0.054 0.064
a/Rs 3.089 0.051
Rp/Rs 0.106 0.032
ephemeris [JD] 2460111.8048 0.0075
eccentricity 0.15
inclination [degrees] 86.3
omega [degrees] 0.0
orbital period [days] 0.92554542
u0 2.0552550581373628
u1 -3.788070795122069
u2 4.3548833616655545
u3 -1.6220675597880292
duration 0.0952 0.0072
Not 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 0003895
Parameter Value Uncertainty
Am1 0.9837 0.0073
Am2 0.0121 0.0023
a/Rs 3.088 0.046
Rp/Rs 0.1149 0.0047
ephemeris [JD] 2460123.8333 0.0015
eccentricity 0.15
inclination [degrees] 86.3
omega [degrees] 0.0
orbital period [days] 0.92554542
u0 2.055366118304163
u1 -3.788930480950784
u2 4.355892160701704
u3 -1.6223277331472326
duration 0.1061 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 MBEB (collaborate/publish)
Light curve chart for 0004282
Parameter Value Uncertainty
Am1 1.0105 0.0073
Am2 -0.0061 0.002
a/Rs 2.927 0.044
Rp/Rs 0.125 0.0059
ephemeris [JD] 2460174.7392 0.0017
eccentricity 0.15
inclination [degrees] 86.3
omega [degrees] 0.0
orbital period [days] 0.92554542
u0 1.8329411624845184
u1 -3.294910760581555
u2 3.9669305270486523
u3 -1.5049608698397448
duration 0.1137 0.002
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)

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