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HD 209458 b

View target in exoplanet catalog
Timing Plot
Global Light Curve

Total Reductions to Date: 9

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 3.524749059463536 2.5250693917196462e-08
Ephemeris (BJD_TDB) 2459851.454213392 5.3264810439480544e-05
Time saved (hours) 0.0002  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 330.7950219 decimal
DEC 18.8842419 decimal
Host Star Metallicity 0.0 0.05 Kokori et al. 2022
Host Star log(g) 4.36 0.01 Log10(cgs) Kokori et al. 2022
Host Star Radius [R_Sun] 1.16 0.01 Sol Kokori et al. 2022
Host Star Effective Temperature [K] 6065.0 50.0 K Kokori et al. 2022
a/Rs 8.81 0.19 Stassun et al. 2017
eccentricity 0.01 0.011 Rosenthal et al. 2021
inclination [degrees] 86.71 0.05 deg Bonomo et al. 2017
omega [degrees] 0.0 63.0 deg Rosenthal et al. 2021
orbital period [days] 3.5247499 3e-07 day Kokori et al. 2022
Rp 15.63 0.59 R_Earth ExoFOP-TESS TOI
Rp/Rs 0.1268 0 ExoFOP-TESS TOI
ephemeris [JD] 2455015.49844 0.00012 BJD-TDB Kokori et al. 2022

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2451430.8227 0.003 HJD Charbonneau et al. 2000
2451490.765 0.02 JD Henry et al. 2000
2451659.93742 2e-05 BJD-TDB Albrecht et al. 2012
2452826.628902 8.7e-05 BJD-TDB, HJD Bonomo et al. 2017, Knutson et al. 2007
2452900.641 0.013 BJD Rosenthal et al. 2021
2454560.80588 8e-05 BJD-TDB Evans et al. 2015
2455015.49844 0.00012 BJD-TDB Kokori et al. 2022
2459826.781018 6.5e-05 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0002085
Parameter Value Uncertainty
Am1 1.236 0.013
Am2 -0.146 0.023
a/Rs 7.91 0.54
Rp/Rs 0.126 0.034
ephemeris [JD] 2459886.6877 0.008
eccentricity 0.01
inclination [degrees] 86.71
omega [degrees] 0.0
orbital period [days] 3.5247499
u0 2.3078950267022798
u1 -4.042233590749614
u2 4.274805925496788
u3 -1.5404672977498812
duration 0.043 0.01
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
NA Custom 605.0 nm 700.0 nm
Organization Observer Code Secondary Observers
AAVSO KRYA (collaborate/publish)
Light curve chart for bccdafb5e7a8111551db10a329c6f798
Parameter Value Uncertainty
Am1 1.00016 0.00051
Am2 0
a/Rs 8.8 0.04
Rp/Rs 0.12079 0.00067
ephemeris [JD] 2459851.45426 0.00031
eccentricity 0.01
inclination [degrees] 86.71
omega [degrees] 0.0
orbital period [days] 3.5247499
u0 2.778527574429662
u1 -5.013002825021852
u2 4.9647952786213185
u3 -1.7303199540479137
duration 0.12787 0.00078
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 b387af5b309c24ead4f22bb3f4f731f2
Parameter Value Uncertainty
Am1 1.0 0.00053
Am2 0
a/Rs 8.79 0.041
Rp/Rs 0.12043 0.00066
ephemeris [JD] 2459830.30571 0.00031
eccentricity 0.01
inclination [degrees] 86.71
omega [degrees] 0.0
orbital period [days] 3.5247499
u0 2.778527314702977
u1 -5.01302384957206
u2 4.964787577701447
u3 -1.7302909688512642
duration 0.12844 0.00083
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 5dfb7e43e3c0cfe46f8beff84fd6b163
Parameter Value Uncertainty
Am1 0.99991 0.00052
Am2 0
a/Rs 8.799 0.04
Rp/Rs 0.12065 0.00063
ephemeris [JD] 2459826.78092 0.0003
eccentricity 0.01
inclination [degrees] 86.71
omega [degrees] 0.0
orbital period [days] 3.5247499
u0 2.778393226211192
u1 -5.0120885332438725
u2 4.963420328422362
u3 -1.7297249474289553
duration 0.12794 0.00077
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 fa584d38f69ea003d5f00bba6c44368b
Parameter Value Uncertainty
Am1 1.00011 0.00052
Am2 0
a/Rs 8.796 0.041
Rp/Rs 0.12069 0.00065
ephemeris [JD] 2459844.40472 0.00032
eccentricity 0.01
inclination [degrees] 86.71
omega [degrees] 0.0
orbital period [days] 3.5247499
u0 2.7781773675261023
u1 -5.011335258460865
u2 4.962488489458836
u3 -1.7293305245772315
duration 0.12793 0.00076
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 25b61f1877dd298ca5b70964fabda612
Parameter Value Uncertainty
Am1 0.99992 0.00052
Am2 0
a/Rs 8.797 0.041
Rp/Rs 0.12059 0.00067
ephemeris [JD] 2459833.83048 0.00032
eccentricity 0.01
inclination [degrees] 86.71
omega [degrees] 0.0
orbital period [days] 3.5247499
u0 2.778583726341664
u1 -5.0128933570994585
u2 4.964473666393788
u3 -1.7301639616595712
duration 0.12788 0.00078
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 af85b0095586fdf2964e61e286512149
Parameter Value Uncertainty
Am1 1.00013 0.00053
Am2 0
a/Rs 8.799 0.042
Rp/Rs 0.12089 0.00067
ephemeris [JD] 2459847.92944 0.00032
eccentricity 0.01
inclination [degrees] 86.71
omega [degrees] 0.0
orbital period [days] 3.5247499
u0 2.7779018142705585
u1 -5.010567949618626
u2 4.961658853360789
u3 -1.7289926440782422
duration 0.12787 0.00081
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 3859f6b398e9b595123eab5e9935c75b
Parameter Value Uncertainty
Am1 1.00012 0.00054
Am2 0
a/Rs 8.808 0.042
Rp/Rs 0.12062 0.00066
ephemeris [JD] 2459837.35515 0.00032
eccentricity 0.01
inclination [degrees] 86.71
omega [degrees] 0.0
orbital period [days] 3.5247499
u0 2.7779631957982978
u1 -5.010890928732548
u2 4.96212364597747
u3 -1.7291958391018158
duration 0.12788 0.00081
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 60c28e75adb7372db5d203c7a51e8623
Parameter Value Uncertainty
Am1 0.99997 0.00053
Am2 0
a/Rs 8.808 0.044
Rp/Rs 0.12081 0.00068
ephemeris [JD] 2459840.87991 0.00032
eccentricity 0.01
inclination [degrees] 86.71
omega [degrees] 0.0
orbital period [days] 3.5247499
u0 2.778155630404189
u1 -5.011072101087949
u2 4.961996869763695
u3 -1.7290803251404188
duration 0.12787 0.0008
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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