results

KELT-3 b

Timing Plot

Total Reductions to Date: 20

Date Processed: 09/06/2025 at 07:00:04 (PDT)

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 2.7033897708077923 1.956618313808835e-07
Ephemeris (BJD_TDB) 2460013.6847357596 0.0001258572609067123
Time saved (hours) 0.0002  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 148.6431193 decimal
DEC 40.3879446 decimal
Host Star Metallicity 0.04 0.08 Knudstrup et al. 2024
Host Star log(g) 4.21 0.03 Log10(cgs) Knudstrup et al. 2024
Host Star Radius [R_Sun] 1.47 0.07 Sol Knudstrup et al. 2024
Host Star Effective Temperature [K] 6306.0 50.0 K Knudstrup et al. 2024
a/Rs 6.0 0.2 Knudstrup et al. 2024
eccentricity 0.0 Knudstrup et al. 2024
inclination [degrees] 84.2 0.7 deg Kokori et al. 2023
omega [degrees] 90.0 deg Pepper et al. 2013
orbital period [days] 2.7033904 1e-06 day Knudstrup et al. 2024
Rp 15.13 0.78 R_Earth Knudstrup et al. 2024
Rp/Rs 0.1017 0 ExoFOP-TESS TOI
ephemeris [JD] 2458872.854373 9.5e-05 BJD-TDB Yalçınkaya et al. 2024

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2458872.854373 9.5e-05 BJD-TDB Yalçınkaya et al. 2024
2458543.04054 0.00018 BJD-TDB Kokori et al. 2023
2457472.49813 0.00029 BJD-TDB Ivshina & Winn 2022
2456666.888 0.0004 BJD-TDB Kokori et al. 2022
2456269.48987 0.00029 BJD-TDB Mallonn et al. 2019
2459635.207263 0.0015413 BJD ExoFOP-TESS TOI
2456023.459 0.017 BJD-TDB Bonomo et al. 2017
2456034.29537 0.00038 BJD-TDB Pepper et al. 2013

Observations

Light curve chart for 0000178
Parameter Value Uncertainty
Am1 0.9902 0.0064
Am2 0.0092 0.0024
a/Rs 5.779 0.092
Rp/Rs 0.0786 0.003
ephemeris [JD] 2458572.7771 0.0014
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 1.947390794382083
u1 -3.4975511591809454
u2 4.095101730127597
u3 -1.5449413043069633
duration 0.1362 0.0032
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 0001326
Parameter Value Uncertainty
Am1 0.9845 0.0093
Am2 0.015 0.06
a/Rs 6.64 0.58
Rp/Rs 0.087 0.039
ephemeris [JD] 2459627.094 0.011
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 1.9473822390279687
u1 -3.4978962651137078
u2 4.095776184386603
u3 -1.5452620972690432
duration 0.046 0.012
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 0002970
Parameter Value Uncertainty
Am1 1.131 0.02
Am2 -0.118 0.056
a/Rs 6.6 0.49
Rp/Rs 0.089 0.011
ephemeris [JD] 2460013.6859 0.0074
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.5781833651860726
u1 -4.6894133786287915
u2 4.828297417954253
u3 -1.7170673325642962
duration 0.0886 0.0098
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 SJAX (collaborate/publish)
Light curve chart for daac0407ed4143d4105deee0a5cd32b6
Parameter Value Uncertainty
Am1 0.9998 0.0012
Am2 0
a/Rs 5.983 0.054
Rp/Rs 0.0932 0.0012
ephemeris [JD] 2458897.1855 0.00078
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.8589268355430533
u1 -5.173035014533063
u2 5.062697923673216
u3 -1.7485896692431289
duration 0.1321 0.0018
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 3756d224ac0cb115b845f75fab57013b
Parameter Value Uncertainty
Am1 0.99996 0.00082
Am2 0
a/Rs 5.977 0.044
Rp/Rs 0.09259 0.00095
ephemeris [JD] 2459618.98893 0.00063
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.8583232342691116
u1 -5.1715790712203775
u2 5.0614568005680045
u3 -1.748200888195155
duration 0.1321 0.0015
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 cb3211139eb39e7406f273649b43ae79
Parameter Value Uncertainty
Am1 1.00001 0.00098
Am2 0
a/Rs 5.986 0.048
Rp/Rs 0.0904 0.001
ephemeris [JD] 2458891.77716 0.00066
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.8581664774326243
u1 -5.170952778108753
u2 5.060602519970439
u3 -1.7478161438854571
duration 0.1312 0.0016
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 e90ff87a823bb1b76ad205c8f665e1cc
Parameter Value Uncertainty
Am1 0.99995 0.00071
Am2 0
a/Rs 6.046 0.042
Rp/Rs 0.09215 0.00092
ephemeris [JD] 2459616.28648 0.00057
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.8581003095712454
u1 -5.1702951199858
u2 5.059513342311838
u3 -1.7473184565046598
duration 0.1304 0.0013
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 37621d448649df2fe6788a16e1f0df37
Parameter Value Uncertainty
Am1 1.00014 0.00085
Am2 0
a/Rs 6.084 0.048
Rp/Rs 0.09306 0.00098
ephemeris [JD] 2458872.85488 0.00067
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.8587474461928113
u1 -5.1726556721701975
u2 5.062465032869333
u3 -1.7485567314553383
duration 0.1287 0.0015
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 64fba5177331f6b969e000d20748b0cf
Parameter Value Uncertainty
Am1 1.00008 0.00093
Am2 0
a/Rs 6.058 0.046
Rp/Rs 0.093 0.001
ephemeris [JD] 2458878.26072 0.00062
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.858251898376281
u1 -5.171104723626682
u2 5.060746860369126
u3 -1.7478939597077208
duration 0.1295 0.0015
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 5200c0d441438561372f7e05eccdbed3
Parameter Value Uncertainty
Am1 0.99998 0.0007
Am2 0
a/Rs 6.016 0.04
Rp/Rs 0.09206 0.00088
ephemeris [JD] 2459632.50687 0.00056
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.8580886985618466
u1 -5.170900727731938
u2 5.0607582752562355
u3 -1.7479461706749695
duration 0.131 0.0013
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 1ccfda257c31e6614e507e569eea0afe
Parameter Value Uncertainty
Am1 1.00003 0.00076
Am2 0
a/Rs 6.033 0.042
Rp/Rs 0.09245 0.00093
ephemeris [JD] 2459627.09965 0.00056
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.8590698647766875
u1 -5.17439737047083
u2 5.064977347393823
u3 -1.7496497662256365
duration 0.1304 0.0014
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 ad99fb6e1a8ee2797315b8e95fdca926
Parameter Value Uncertainty
Am1 0.9998 0.0011
Am2 0
a/Rs 6.003 0.048
Rp/Rs 0.0933 0.001
ephemeris [JD] 2458894.48012 0.00068
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.85885562959949
u1 -5.17267738205664
u2 5.062250761811056
u3 -1.7484289339204908
duration 0.1312 0.0016
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 e72e9cf2a75511afc49877f31c0a7050
Parameter Value Uncertainty
Am1 1.0 0.0011
Am2 0
a/Rs 6.042 0.052
Rp/Rs 0.0924 0.0011
ephemeris [JD] 2458889.0745 0.00071
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.8578517488552166
u1 -5.169430009469419
u2 5.058549169161917
u3 -1.7469708331694576
duration 0.1304 0.0017
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 ed7882d900302d440969367ffc341000
Parameter Value Uncertainty
Am1 1.00002 0.00075
Am2 0
a/Rs 6.064 0.043
Rp/Rs 0.09194 0.00089
ephemeris [JD] 2459629.8038 0.00058
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.8591258935623114
u1 -5.173372551407437
u2 5.062898782932014
u3 -1.7486520496438174
duration 0.1295 0.0014
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 23fd8e7e1ab3750c89daa672ac485aff
Parameter Value Uncertainty
Am1 1.00009 0.00078
Am2 0
a/Rs 6.04 0.043
Rp/Rs 0.09172 0.00092
ephemeris [JD] 2459635.20969 0.00057
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.8590436045513434
u1 -5.173908122739399
u2 5.0641251791322395
u3 -1.7492605854828382
duration 0.1304 0.0014
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 709bf76e91d1e3acad8b62008e8dbdd5
Parameter Value Uncertainty
Am1 0.99997 0.00087
Am2 0
a/Rs 6.065 0.044
Rp/Rs 0.09235 0.00096
ephemeris [JD] 2459613.58293 0.0006
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.8583788286194167
u1 -5.171232019426914
u2 5.060664777815761
u3 -1.7478115115984822
duration 0.1295 0.0014
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 f67ac3ae93848e5c632fa5399d19cc13
Parameter Value Uncertainty
Am1 1.00006 0.00095
Am2 0
a/Rs 6.026 0.048
Rp/Rs 0.0902 0.001
ephemeris [JD] 2458875.55776 0.00068
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.8587879462614
u1 -5.172702943584497
u2 5.062446821292683
u3 -1.7485317485332499
duration 0.1304 0.0015
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 9e9f30d09aec69f5f26dc7b4060ff115
Parameter Value Uncertainty
Am1 0.99999 0.00078
Am2 0
a/Rs 6.011 0.043
Rp/Rs 0.09258 0.00093
ephemeris [JD] 2459610.88034 0.00059
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.858911214269024
u1 -5.172580146432748
u2 5.061884601189558
u3 -1.748215593597875
duration 0.1312 0.0014
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 6044b5e97afa1f778ab661cae39978ba
Parameter Value Uncertainty
Am1 1.00013 0.00081
Am2 0
a/Rs 6.072 0.046
Rp/Rs 0.09261 0.00094
ephemeris [JD] 2458880.96442 0.00062
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.8583908053309375
u1 -5.170821900571974
u2 5.059811237460461
u3 -1.7473800668223611
duration 0.1295 0.0016
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 f5b4a199adc77150a9a999f581e17229
Parameter Value Uncertainty
Am1 1.00043 0.00082
Am2 0
a/Rs 5.97 0.046
Rp/Rs 0.0929 0.001
ephemeris [JD] 2458883.66755 0.00064
eccentricity 0.0
inclination [degrees] 84.2
omega [degrees] 90.0
orbital period [days] 2.7033904
u0 2.858602581981544
u1 -5.172069301356501
u2 5.0616589327541615
u3 -1.748192137954609
duration 0.1324 0.0015
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)