Timing Plot

Total Reductions to Date: 2

Date Processed: 05/27/2025 at 07:00:04 (PDT)

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 2.705784497602602 5.461704882576909e-07
Ephemeris (BJD_TDB) 2460232.901515173 0.00042746662326220865

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 72.6605916 decimal
DEC 1.8938365 decimal
Host Star Metallicity 0.12 0.11 Kokori et al. 2023
Host Star log(g) 3.973 0.013 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 2.18 0.08 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 6490.0 100.0 K Kokori et al. 2023
a/Rs 4.37 0.14 Kokori et al. 2023
eccentricity 0.0 Stassun et al. 2017
inclination [degrees] 87.9 1.4 deg Kokori et al. 2023
omega [degrees] 0.0 deg Kokori et al. 2023
orbital period [days] 2.70578401 5.5e-07 day Kokori et al. 2023
Rp 18.49 0.99 R_Earth ExoFOP-TESS TOI
Rp/Rs 0.0866 0 ExoFOP-TESS TOI
ephemeris [JD] 2458217.09214 0.00014 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2456157.9898 0.0005 HJD-UTC West et al. 2016
2456931.8446 0.000555 BJD-TDB, HJD-UTC Ivshina & Winn 2022, Smith 2015
2458217.09214 0.00014 BJD-TDB Kokori et al. 2023
2458438.96587 0.0004 BJD ExoFOP-TESS TOI
2458449.78954 0.00017 BJD Patel & Espinoza 2022

Observations

Light curve chart for 0002205
Parameter Value Uncertainty
Am1 1.046 0.011
Am2 -0.0389 0.0063
a/Rs 5.0 0.2
Rp/Rs 0.1574 0.0056
ephemeris [JD] 2459883.8563 0.0051
eccentricity 0.0
inclination [degrees] 87.9
omega [degrees] 0.0
orbital period [days] 2.70578401
u0 2.878182738404033
u1 -5.195929273534523
u2 5.049219684300994
u3 -1.7314730739312676
duration 0.1986 0.0082
Not included in ephemeris calculations

Light curve chart for 0004743
Parameter Value Uncertainty
Am1 0.9935 0.0076
Am2 0.0038 0.001
a/Rs 4.22 0.15
Rp/Rs 0.103 0.0052
ephemeris [JD] 2460232.8968 0.0035
eccentricity 0.0
inclination [degrees] 87.9
omega [degrees] 0.0
orbital period [days] 2.70578401
u0 2.539170480991978
u1 -4.55252630295206
u2 4.646351649956042
u3 -1.6329957587599253
duration 0.2258 0.0087