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WASP-33 b

View target in exoplanet catalog
Timing Plot
Global Light Curve

Total Reductions to Date: 21

Date Processed: 09/24/2023 at 00:07:22 (PDT)

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 1.219870858949907 5.315846658666337e-08
Ephemeris (BJD_TDB) 2459895.3975205403 0.00019052628713291044
Time saved (hours) 0.0006  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 36.7127375 decimal
DEC 37.5504441 decimal
Host Star Metallicity 0.1 0.1 Zhang et al. 2018
Host Star log(g) 4.3 0.08 Log10(cgs) Zhang et al. 2018
Host Star Radius [R_Sun] 1.44 0.03 Sol Chakrabarty & Sengupta 2019
Host Star Effective Temperature [K] 7430.0 100.0 K Chakrabarty & Sengupta 2019
a/Rs 3.571 0.01 Chakrabarty & Sengupta 2019
eccentricity 0.0 Stassun et al. 2017
inclination [degrees] 86.63 0.03 deg Chakrabarty & Sengupta 2019
omega [degrees] 0.0 deg Ivshina & Winn 2022
orbital period [days] 1.2198707 3.8e-07 day Ivshina & Winn 2022
Rp 17.86 0.83 R_Earth Chakrabarty & Sengupta 2019
Rp/Rs 0.1103 0 ExoFOP-TESS TOI
ephemeris [JD] 2456217.48738 0.00039 BJD-TDB Ivshina & Winn 2022

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2452984.82964 0.0003 nan Turner et al. 2016
2454163.2237 0.00023999999999999998 BJD-UTC, HJD Zhang et al. 2018, Collier Cameron et al. 2010
2455507.5222 0.0003 BJD-TDB von Essen et al. 2014
2456217.48738 0.00039 BJD-TDB Ivshina & Winn 2022
2456934.77146 0.00059 BJD Johnson et al. 2015
2459883.198788 0.000208 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0000344
Parameter Value Uncertainty
Am1 3.648 0.028
Am2 -0.0052 0.0046
a/Rs 3.621 0.029
Rp/Rs 0.1227 0.0089
ephemeris [JD] 2458154.6414 0.002
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 2.1247534964187067
u1 -3.626125736147289
u2 4.000494382516132
u3 -1.4991220831755379
duration 0.1203 0.0015
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 FMAA (collaborate/publish)
Light curve chart for 0002014
Parameter Value Uncertainty
Am1 0.975 0.016
Am2 0.023 0.019
a/Rs 3.619 0.028
Rp/Rs 0.101 0.01
ephemeris [JD] 2459858.804 0.0023
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 2.265867911312528
u1 -3.852996159291421
u2 4.085236445180763
u3 -1.4981081363271023
duration 0.118 0.0015
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 NANF (collaborate/publish)
Light curve chart for 0002117
Parameter Value Uncertainty
Am1 1.0224 0.003
Am2 -0.0194 0.0043
a/Rs 3.531 0.028
Rp/Rs 0.1023 0.0038
ephemeris [JD] 2459895.3961 0.0012
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 2.5729999196169917
u1 -4.488626776732951
u2 4.5202880972331965
u3 -1.6046611727596956
duration 0.1213 0.0012
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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 PJEF (collaborate/publish)
Light curve chart for 0002207
Parameter Value Uncertainty
Am1 0.7742 0.0045
Am2 0.27 0.57
a/Rs 3.62 0.029
Rp/Rs 0.166 0.011
ephemeris [JD] 2459896.6262 0.0019
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 2.2657575291855983
u1 -3.85039465981273
u2 4.08079790335646
u3 -1.4961607119207012
duration 0.0235 0.0022
Not 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 LPAC (collaborate/publish)
Light curve chart for 1a126d7d7ae9b501c386e3a90556e208
Parameter Value Uncertainty
Am1 0.9997 0.0014
Am2 0
a/Rs 3.566 0.026
Rp/Rs 0.1071 0.0019
ephemeris [JD] 2458798.73344 0.00083
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.1697595696817693
u1 -5.685352912536242
u2 5.303405526805186
u3 -1.7878121049238125
duration 0.12043 0.00099
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for 51fd1fa3ab6a7e63cd06dfa7234d1985
Parameter Value Uncertainty
Am1 0.9993 0.0015
Am2 0
a/Rs 3.558 0.028
Rp/Rs 0.103 0.0019
ephemeris [JD] 2458804.83238 0.00093
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.170238079542733
u1 -5.686337907544049
u2 5.304110922348946
u3 -1.7880110153102193
duration 0.1205 0.001
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for 1e73b19b7e69aeb6fe1a788b122a0846
Parameter Value Uncertainty
Am1 1.0009 0.0016
Am2 0
a/Rs 3.521 0.023
Rp/Rs 0.1125 0.0019
ephemeris [JD] 2458814.5927 0.00087
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.170301731975915
u1 -5.686564514650552
u2 5.3043337396031385
u3 -1.788070877887769
duration 0.12297 0.00088
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for a97f8f9493b5a1afcb99196e572c5479
Parameter Value Uncertainty
Am1 1.0002 0.0012
Am2 0
a/Rs 3.542 0.027
Rp/Rs 0.1077 0.0018
ephemeris [JD] 2458793.85443 0.00088
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.169047922788786
u1 -5.68278719888728
u2 5.300287638564558
u3 -1.7865482834856237
duration 0.1213 0.001
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for a8c2051a129c549fa1e3275ff083b048
Parameter Value Uncertainty
Am1 1.0 0.0014
Am2 0
a/Rs 3.522 0.024
Rp/Rs 0.1106 0.0019
ephemeris [JD] 2458810.93337 0.00086
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.170964132959399
u1 -5.689949857879704
u2 5.3092070807420715
u3 -1.7902212767084165
duration 0.12254 0.00096
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for 0ab975500f817f499fde24925f522ce0
Parameter Value Uncertainty
Am1 0.9998 0.0011
Am2 0
a/Rs 3.578 0.027
Rp/Rs 0.1066 0.0018
ephemeris [JD] 2458795.07376 0.00084
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.169731289713019
u1 -5.685633085297371
u2 5.303823638034313
u3 -1.7879217634168296
duration 0.12 0.00098
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for 3ac0d09add747b2a6fd1cc35abcd8eec
Parameter Value Uncertainty
Am1 0.9998 0.0014
Am2 0
a/Rs 3.545 0.027
Rp/Rs 0.1082 0.0019
ephemeris [JD] 2458809.7123 0.00093
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.170064022269843
u1 -5.684725427962159
u2 5.301453007132475
u3 -1.7867915224423525
duration 0.1213 0.001
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for fc9776a6b2118386d9a3ede54f99096a
Parameter Value Uncertainty
Am1 0.9998 0.0012
Am2 0
a/Rs 3.539 0.027
Rp/Rs 0.1102 0.0018
ephemeris [JD] 2458807.27254 0.0009
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.1695713403940187
u1 -5.683688403800651
u2 5.300668425225365
u3 -1.7865512828326184
duration 0.1221 0.001
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for 29aa66b554b2fefc2a4a38b3fae44a20
Parameter Value Uncertainty
Am1 0.9999 0.0013
Am2 0
a/Rs 3.621 0.023
Rp/Rs 0.1092 0.002
ephemeris [JD] 2458799.9532 0.001
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.1697552784016834
u1 -5.685538748190406
u2 5.3036906928898455
u3 -1.7879071440699725
duration 0.11876 0.00084
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for f6807fc423aaecbd073734e714fa5ad3
Parameter Value Uncertainty
Am1 0.9997 0.0013
Am2 0
a/Rs 3.569 0.027
Rp/Rs 0.1069 0.0019
ephemeris [JD] 2458797.51281 0.00084
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.1703887063232843
u1 -5.688028933913937
u2 5.306801263972058
u3 -1.7891609573039036
duration 0.1205 0.001
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for 4aa0b2ef924ea096115940a047a459e4
Parameter Value Uncertainty
Am1 0.9998 0.0015
Am2 0
a/Rs 3.522 0.026
Rp/Rs 0.109 0.0019
ephemeris [JD] 2458792.63237 0.00094
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.1700940554255546
u1 -5.686975350931791
u2 5.305568207815652
u3 -1.7886868332502885
duration 0.1221 0.001
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for 92dddfda36a4cbcfeb3a44ee1d67534f
Parameter Value Uncertainty
Am1 0.99983 0.00097
Am2 0
a/Rs 3.525 0.026
Rp/Rs 0.1119 0.0018
ephemeris [JD] 2458796.29266 0.00085
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.1690862703402645
u1 -5.682205520295499
u2 5.29901210890478
u3 -1.7858927799881124
duration 0.1226 0.001
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for 48c6aac2d9c702a436c76518c4ae5006
Parameter Value Uncertainty
Am1 1.0004 0.0015
Am2 0
a/Rs 3.606 0.028
Rp/Rs 0.1093 0.0024
ephemeris [JD] 2458803.6117 0.0011
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.169939519611732
u1 -5.685564563653547
u2 5.303338651117042
u3 -1.787713528049323
duration 0.1194 0.0011
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for e83abed5b237423fc3a8db95a71fb540
Parameter Value Uncertainty
Am1 0.9996 0.0013
Am2 0
a/Rs 3.621 0.024
Rp/Rs 0.1048 0.0019
ephemeris [JD] 2458806.05228 0.00089
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.169250871490421
u1 -5.684048391546832
u2 5.30222784362753
u3 -1.787430244561767
duration 0.11834 0.00086
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for 871782a46b8c26039e0a92ef9e429873
Parameter Value Uncertainty
Am1 1.0002 0.0016
Am2 0
a/Rs 3.521 0.022
Rp/Rs 0.1099 0.0019
ephemeris [JD] 2458813.37318 0.0008
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.1704319574181143
u1 -5.687302559342211
u2 5.305366494808339
u3 -1.7884958138281224
duration 0.1226 0.00087
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for 62e8b80b92eac173cb0a149d27b65ab6
Parameter Value Uncertainty
Am1 0.9998 0.0015
Am2 0
a/Rs 3.534 0.027
Rp/Rs 0.1071 0.0019
ephemeris [JD] 2458812.15198 0.00098
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.1695547003506155
u1 -5.683964994586373
u2 5.301252256380089
u3 -1.786841883149517
duration 0.1217 0.0011
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)
Light curve chart for bdac6c337fb4d3e62eb75f17dfe8b9e5
Parameter Value Uncertainty
Am1 1.0003 0.0012
Am2 0
a/Rs 3.621 0.026
Rp/Rs 0.1057 0.0018
ephemeris [JD] 2458808.4929 0.00094
eccentricity 0.0
inclination [degrees] 86.63
omega [degrees] 0.0
orbital period [days] 1.2198707
u0 3.1697268240892016
u1 -5.68516626375957
u2 5.303120708086893
u3 -1.7876811893938682
duration 0.11834 0.00097
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
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)

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