results

K2-29 b

Timing Plot

Total Reductions to Date: 21

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 3.258828451330692 2.136208825070717e-07
Ephemeris (BJD_TDB) 2460179.87572508 0.0001359203409883106
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 62.670422 decimal
DEC 24.4016558 decimal
Host Star Metallicity 0.16 0.03 Kokori et al. 2023
Host Star log(g) 4.54 0.012 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 0.86 0.01 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 5358.0 38.0 K Kokori et al. 2023
a/Rs 10.51 0.15 Kokori et al. 2023
eccentricity 0.066 0.022 Kokori et al. 2023
inclination [degrees] 86.66 0.11 deg Kokori et al. 2023
omega [degrees] 132.0 21.0 deg Kokori et al. 2023
orbital period [days] 3.25883406 3.9e-07 day Kokori et al. 2023
Rp 11.38 0.87 R_Earth Kruse et al. 2019
Rp/Rs 0.1379 0 Kruse et al. 2019
ephemeris [JD] 2458560.23617 0.00013 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2453219.0095 0.0022 BJD Santerne et al. 2016
2457067.6906 0.00015 BJD-TDB Crossfield et al. 2016
2457383.80546 0.00013 BJD-TDB Johnson et al. 2016
2458508.0943 0.0003 BJD-TDB Kokori et al. 2022
2458560.23617 0.00013 BJD-TDB Kokori et al. 2023
2459475.969231 0.00011295 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0011268
Parameter Value Uncertainty
Am1 1.062 0.014
Am2 -0.059 0.069
a/Rs 9.87 0.43
Rp/Rs 0.153 0.051
ephemeris [JD] 2459146.8242 0.0086
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.6358920880900676
u1 -2.790615180884349
u2 3.381699532823552
u3 -1.226976389638021
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 DCMA (collaborate/publish) MOBS
Light curve chart for 0002812
Parameter Value Uncertainty
Am1 0.943 0.012
Am2 0.042 0.013
a/Rs 10.64 0.43
Rp/Rs 0.171 0.039
ephemeris [JD] 2459169.6267 0.006
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.63657058802564
u1 -2.792809199127048
u2 3.3844561643492033
u3 -1.2282175028154687
duration 0.0623 0.0068
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 DKEB (collaborate/publish) MOBS
Light curve chart for 0005920
Parameter Value Uncertainty
Am1 1.3 0.019
Am2 -0.14 0.018
a/Rs 9.86 0.44
Rp/Rs 0.177 0.062
ephemeris [JD] 2459172.918 0.012
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.6366954589609168
u1 -2.7931465217831617
u2 3.384650144327522
u3 -1.22819903107006
duration 0.096 0.011
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 ETFA (collaborate/publish)
Light curve chart for 0008620
Parameter Value Uncertainty
Am1 1.065 0.029
Am2 -0.04 0.02
a/Rs 10.73 0.43
Rp/Rs 0.203 0.035
ephemeris [JD] 2459221.7796 0.0064
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.6368375911368627
u1 -2.794072800180065
u2 3.3860266857853736
u3 -1.228791426286442
duration 0.0734 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
V Johnson V 502.8 nm 586.8 nm
Organization Observer Code Secondary Observers
AAVSO DJSA (collaborate/publish) MOBS
Light curve chart for 0002694
Parameter Value Uncertainty
Am1 1.314 0.025
Am2 -0.228 0.035
a/Rs 11.11 0.44
Rp/Rs 0.106 0.047
ephemeris [JD] 2459257.606 0.011
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.6370806676255298
u1 -2.7945281434596123
u2 3.3864921568447226
u3 -1.2290446305479743
duration 0.044 0.011
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 LMIG (collaborate/publish) MOBS
Light curve chart for 0006921
Parameter Value Uncertainty
Am1 1.04 0.043
Am2 -0.024 0.019
a/Rs 10.42 0.43
Rp/Rs 0.276 0.068
ephemeris [JD] 2459436.8444 0.0081
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.6362924209988587
u1 -2.7921568628942164
u2 3.3836098558595347
u3 -1.2277453635444608
duration 0.0415 0.0097
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 JNIB (collaborate/publish) MOBS
Light curve chart for 0007021
Parameter Value Uncertainty
Am1 0.88 0.18
Am2 0.11 0.14
a/Rs 10.77 0.43
Rp/Rs 0.275 0.079
ephemeris [JD] 2459573.753 0.012
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.6366116275723073
u1 -2.7930470471462145
u2 3.384707729009836
u3 -1.2282722589998532
duration 0.086 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 BVID (collaborate/publish) MOBS
Light curve chart for 0011098
Parameter Value Uncertainty
Am1 1.19 0.03
Am2 -0.114 0.014
a/Rs 9.79 0.42
Rp/Rs 0.102 0.056
ephemeris [JD] 2459586.789 0.012
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.6367984101258852
u1 -2.7940896189276616
u2 3.3862292254056916
u3 -1.2289379661451671
duration 0.081 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 DTEC (collaborate/publish) MOBS
Light curve chart for 0012389
Parameter Value Uncertainty
Am1 1.175 0.026
Am2 -0.108 0.012
a/Rs 9.79 0.43
Rp/Rs 0.06 0.053
ephemeris [JD] 2459586.789 0.012
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.6366636141617903
u1 -2.7932730648372903
u2 3.384970967392001
u3 -1.2283614662765032
duration 0.078 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 GJOL (collaborate/publish) MOBS
Light curve chart for 0006741
Parameter Value Uncertainty
Am1 0.922 0.029
Am2 0.08 0.12
a/Rs 9.85 0.44
Rp/Rs 0.191 0.072
ephemeris [JD] 2459596.566 0.013
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.6360098981067568
u1 -2.791240703824627
u2 3.3825466764728533
u3 -1.2273158203511092
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 CJOB (collaborate/publish) MOBS
Light curve chart for 0006011
Parameter Value Uncertainty
Am1 1.049 0.026
Am2 -0.045 0.04
a/Rs 10.36 0.44
Rp/Rs 0.03 0.025
ephemeris [JD] 2459609.602 0.012
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.6367567475414173
u1 -2.793409298825496
u2 3.3851824728029287
u3 -1.2285298710757004
duration 0.064 0.011
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 HDAJ (collaborate/publish) MOBS
Light curve chart for 0001225
Parameter Value Uncertainty
Am1 1.002 0.024
Am2 -0.001 0.011
a/Rs 9.87 0.44
Rp/Rs 0.046 0.029
ephemeris [JD] 2459622.637 0.013
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.9193884114411441
u1 -3.367408113823375
u2 3.799552589991582
u3 -1.3515328309916055
duration 0.078 0.011
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 FMAA (collaborate/publish) MOBS
Light curve chart for 0011729
Parameter Value Uncertainty
Am1 1.15 0.029
Am2 -0.101 0.019
a/Rs 9.84 0.43
Rp/Rs 0.123 0.041
ephemeris [JD] 2459622.637 0.013
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.6368477740920855
u1 -2.7938016836641433
u2 3.3857208678657216
u3 -1.2287669078424917
duration 0.084 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 DJSA (collaborate/publish) MOBS
Light curve chart for 0001242
Parameter Value Uncertainty
Am1 0.9746 0.0099
Am2 0.0152 0.0035
a/Rs 11.26 0.44
Rp/Rs 0.145 0.012
ephemeris [JD] 2459635.6634 0.0046
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 2.312503016003133
u1 -4.090782517493196
u2 4.2787400667201085
u3 -1.5004605014718497
duration 0.0738 0.0052
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 LPAC (collaborate/publish)
Light curve chart for 0008081
Parameter Value Uncertainty
Am1 0.9573 0.0095
Am2 0.042 0.036
a/Rs 10.48 0.44
Rp/Rs 0.104 0.016
ephemeris [JD] 2459889.8392 0.0069
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.6362157120558387
u1 -2.7916498422185225
u2 3.3829289350184193
u3 -1.227494754446166
duration 0.0888 0.0055
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 VIVA (collaborate/publish) MOBS
Light curve chart for 0002175
Parameter Value Uncertainty
Am1 1.014 0.025
Am2 -0.0092 0.0059
a/Rs 9.76 0.13
Rp/Rs 0.1878 0.0064
ephemeris [JD] 2459912.6544 0.0014
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.919790199463521
u1 -3.368809846638684
u2 3.80133184468241
u3 -1.3523121408629883
duration 0.1074 0.002
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 0003350
Parameter Value Uncertainty
Am1 1.077 0.011
Am2 -0.07 0.027
a/Rs 10.39 0.42
Rp/Rs 0.113 0.015
ephemeris [JD] 2459915.9292 0.0035
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.9174883661879683
u1 -3.30719012870927
u2 3.7104955621953004
u3 -1.3207937443833062
duration 0.0912 0.0053
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
NA Custom 404.0 nm 846.0 nm
Organization Observer Code Secondary Observers
AAVSO PJEG (collaborate/publish)
Light curve chart for 0002276
Parameter Value Uncertainty
Am1 1.0094 0.0095
Am2 -0.007 0.0042
a/Rs 10.32 0.33
Rp/Rs 0.1478 0.0068
ephemeris [JD] 2459951.7572 0.0018
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 2.1873936002027623
u1 -3.7459461671835843
u2 3.940778556970878
u3 -1.3822259312678797
duration 0.0956 0.0041
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 0005530
Parameter Value Uncertainty
Am1 0.9797 0.0089
Am2 0.0159 0.0056
a/Rs 9.77 0.43
Rp/Rs 0.093 0.016
ephemeris [JD] 2459964.7882 0.0072
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.6361750369819963
u1 -2.791308381983389
u2 3.3823815296216844
u3 -1.2272481342188795
duration 0.096 0.0058
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 MMAMA (collaborate/publish) MOBS
Light curve chart for 0003032
Parameter Value Uncertainty
Am1 0.9843 0.006
Am2 0.0134 0.0067
a/Rs 10.2 0.18
Rp/Rs 0.1396 0.0035
ephemeris [JD] 2459987.6074 0.0011
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.919631343772534
u1 -3.368278395169197
u2 3.800706556737678
u3 -1.3520594487060742
duration 0.0963 0.0021
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 MWAA (collaborate/publish)
Light curve chart for 0004321
Parameter Value Uncertainty
Am1 1.026 0.021
Am2 -0.014 0.0041
a/Rs 11.21 0.42
Rp/Rs 0.198 0.022
ephemeris [JD] 2460179.8975 0.0031
eccentricity 0.066
inclination [degrees] 86.66
omega [degrees] 132.0
orbital period [days] 3.25883406
u0 1.9191327405089083
u1 -3.366447812841719
u2 3.798277184596056
u3 -1.350962055664505
duration 0.0906 0.0053
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 CPHB (collaborate/publish) MOBS