Timing Plot

Total Reductions to Date: 8

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 4.037915096848383 9.822875736903768e-07
Ephemeris (BJD_TDB) 2459996.749473116 0.0013333977682165436
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 101.2772396 decimal
DEC 0.8152163 decimal
Host Star Metallicity -0.25 0.06 Bonomo et al. 2017
Host Star log(g) 4.339 0.021 Log10(cgs) Raetz et al. 2019
Host Star Radius [R_Sun] 1.115 0.035 Sol Raetz et al. 2019
Host Star Effective Temperature [K] 6100.0 65.0 K ExoFOP-TESS TOI
a/Rs 9.54 0.2 Raetz et al. 2019
eccentricity 0.087 0.09 Bonomo et al. 2017
inclination [degrees] 85.68 0.18 deg Raetz et al. 2019
omega [degrees] -128.34 289.34 deg Rauer et al. 2009
orbital period [days] 4.0379156 1.2e-06 day Ivshina & Winn 2022
Rp 14.08 0.52 R_Earth Raetz et al. 2019
Rp/Rs 0.1235 0 ExoFOP-TESS TOI
ephemeris [JD] 2456665.4696 0.00065 BJD-TDB Ivshina & Winn 2022

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2454400.199146667 0.00014666666666666666 BJD-TDB, HJD Raetz et al. 2019, Bonomo et al. 2017, Rauer et al. 2009
2456665.4696 0.00065 BJD-TDB Ivshina & Winn 2022
2459205.316448 0.0028052 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0005505
Parameter Value Uncertainty
Am1 0.975 0.079
Am2 0.025 0.027
a/Rs 9.4 0.56
Rp/Rs 0.002 0.052
ephemeris [JD] 2458187.757 0.012
eccentricity 0.087
inclination [degrees] 85.68
omega [degrees] -128.34
orbital period [days] 4.0379156
u0 1.8674527230257219
u1 -3.199453955065698
u2 3.7526015166699924
u3 -1.4206002287118955
duration 0.1 0.014
Not included in ephemeris calculations

Light curve chart for 0012726
Parameter Value Uncertainty
Am1 0.9 0.062
Am2 0.092 0.039
a/Rs 8.92 0.58
Rp/Rs 0.182 0.069
ephemeris [JD] 2458413.871 0.012
eccentricity 0.087
inclination [degrees] 85.68
omega [degrees] -128.34
orbital period [days] 4.0379156
u0 2.09273372260575
u1 -3.7425772117794676
u2 4.221280466108022
u3 -1.5714369140323234
duration 0.103 0.015
Not included in ephemeris calculations

Light curve chart for 0008406
Parameter Value Uncertainty
Am1 1.127 0.068
Am2 -0.051 0.013
a/Rs 8.58 0.55
Rp/Rs 0.233 0.057
ephemeris [JD] 2458417.9313 0.0098
eccentricity 0.087
inclination [degrees] 85.68
omega [degrees] -128.34
orbital period [days] 4.0379156
u0 1.8672615652906208
u1 -3.19872438991773
u2 3.7515937124843757
u3 -1.4201308319541641
duration 0.139 0.013
Not included in ephemeris calculations

Light curve chart for 0008390
Parameter Value Uncertainty
Am1 0.991 0.076
Am2 0.003 0.031
a/Rs 9.57 0.58
Rp/Rs 0.003 0.046
ephemeris [JD] 2458502.709 0.012
eccentricity 0.087
inclination [degrees] 85.68
omega [degrees] -128.34
orbital period [days] 4.0379156
u0 1.8673749142843734
u1 -3.198719320773865
u2 3.75148431191303
u3 -1.4201398495220663
duration 0.1 0.015
Not included in ephemeris calculations

Light curve chart for 0008461
Parameter Value Uncertainty
Am1 0.81 0.15
Am2 0.166 0.048
a/Rs 9.32 0.56
Rp/Rs 0.239 0.07
ephemeris [JD] 2458514.816 0.012
eccentricity 0.087
inclination [degrees] 85.68
omega [degrees] -128.34
orbital period [days] 4.0379156
u0 1.867320681065741
u1 -3.1986771564049654
u2 3.7515368773397437
u3 -1.4201803460982636
duration 0.145 0.017
Not included in ephemeris calculations

Light curve chart for 0005667
Parameter Value Uncertainty
Am1 0.9957 0.0089
Am2 0.0032 0.0072
a/Rs 10.03 0.51
Rp/Rs 0.119 0.01
ephemeris [JD] 2459911.9537 0.0051
eccentricity 0.087
inclination [degrees] 85.68
omega [degrees] -128.34
orbital period [days] 4.0379156
u0 2.4826483642067085
u1 -4.400617579300487
u2 4.534065133503766
u3 -1.6160958508471523
duration 0.108 0.012

Light curve chart for 0002800
Parameter Value Uncertainty
Am1 0.954 0.032
Am2 0.036 0.063
a/Rs 8.54 0.57
Rp/Rs 0.196 0.068
ephemeris [JD] 2459988.6949 0.008
eccentricity 0.087
inclination [degrees] 85.68
omega [degrees] -128.34
orbital period [days] 4.0379156
u0 2.092909842737424
u1 -3.7432164297196575
u2 4.2220582820511385
u3 -1.5717516321553338
duration 0.131 0.014
Not included in ephemeris calculations

Light curve chart for 0002942
Parameter Value Uncertainty
Am1 1.0052 0.008
Am2 -0.0021 0.0028
a/Rs 9.61 0.49
Rp/Rs 0.124 0.012
ephemeris [JD] 2459996.7519 0.0052
eccentricity 0.087
inclination [degrees] 85.68
omega [degrees] -128.34
orbital period [days] 4.0379156
u0 2.0920573025210905
u1 -3.7406697665536375
u2 4.219043052786833
u3 -1.5704305258856457
duration 0.117 0.012