Timing Plot

Total Reductions to Date: 1

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 3.9365567571851035 4.35283133035957e-06
Ephemeris (BJD_TDB) 2460173.8603500146 0.0006149022553013611
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 359.7933851 decimal
DEC 39.3142556 decimal
Host Star Metallicity 0.549 0.093 Hartman et al. 2023
Host Star log(g) 4.67 0.013 Log10(cgs) Hartman et al. 2023
Host Star Radius [R_Sun] 0.6103 0.0099 Sol Hartman et al. 2023
Host Star Effective Temperature [K] 3865.0 79.0 K Hartman et al. 2023
a/Rs 14.76 0.17 Hartman et al. 2023
eccentricity 0.056 0.05 Hartman et al. 2023
inclination [degrees] 88.74 0.14 deg Hartman et al. 2023
omega [degrees] -110.0 200.0 deg Cañas et al. 2022
orbital period [days] 3.9365578 4.3e-06 day Hartman et al. 2023
Rp 8.29 0.16 R_Earth Hartman et al. 2023
Rp/Rs 0.1243 0 ExoFOP-TESS TOI
ephemeris [JD] 2459662.10795 0.00019 BJD-TDB Hartman et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2459662.10795 0.00019 BJD-TDB Hartman et al. 2023
2458784.256 0.001 BJD-TDB Cañas et al. 2022
2459878.618825 0.0009721 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0004276
Parameter Value Uncertainty
Am1 0.8953 0.009
Am2 0.099 0.017
a/Rs 14.03 0.48
Rp/Rs 0.125 0.015
ephemeris [JD] 2460173.8643 0.0043
eccentricity 0.056
inclination [degrees] 88.74
omega [degrees] -110.0
orbital period [days] 3.9365578
u0 1.7182362610269213
u1 -2.723440586823008
u2 3.0575423515606057
u3 -1.0523379802035873
duration 0.1012 0.0041