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) 1.809880689492346 9.881442991829713e-08
Ephemeris (BJD_TDB) 2460214.474850111 5.3594158796722945e-05
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 26.632936 decimal
DEC 2.700389 decimal
Host Star Metallicity 0.23 0.1 Kokori et al. 2023
Host Star log(g) 4.128 0.015 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 1.73 0.04 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 6250.0 100.0 K Kokori et al. 2023
a/Rs 4.1088 0.0081 Demangeon et al. 2024
eccentricity 0.0067 0.018 Demangeon et al. 2024
inclination [degrees] 88.0 1.3 deg Kokori et al. 2023
omega [degrees] 51.0 25.0 deg Demangeon et al. 2024
orbital period [days] 1.80988452 1e-07 day Demangeon et al. 2024
Rp 20.68 0.56 R_Earth Fu et al. 2021
Rp/Rs 0.1087 0 Fu et al. 2021
ephemeris [JD] 2459371.070433 2.3e-05 BJD Demangeon et al. 2024

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2456107.85507 0.00034 HJD-UTC West et al. 2016
2457273.4191 0.0005 BJD-TDB Kokori et al. 2022
2457360.293 0.00014 BJD-TDB Fu et al. 2021
2458080.6259324998 0.000274 BJD, BJD-TDB Ivshina & Winn 2022, Ehrenreich et al. 2020
2459305.914867 5.8e-05 BJD-TDB Kokori et al. 2023
2459371.070433 2.3e-05 BJD Demangeon et al. 2024
2459448.895243 9.731e-05 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0004654
Parameter Value Uncertainty
Am1 1.0044 0.0052
Am2 -0.002 0.0019
a/Rs 4.133 0.022
Rp/Rs 0.1116 0.0031
ephemeris [JD] 2460214.47425 0.00073
eccentricity 0.0067
inclination [degrees] 88.0
omega [degrees] 51.0
orbital period [days] 1.80988452
u0 2.298354071426073
u1 -4.077575589209848
u2 4.335735613409349
u3 -1.5565140310180778
duration 0.1549 0.00097