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) 2.7985795947906973 2.1121236265797264e-07
Ephemeris (BJD_TDB) 2460204.536142266 0.00013796867691439265
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 357.846434 decimal
DEC -70.1528621 decimal
Host Star Metallicity 0.19 0.13 Kokori et al. 2023
Host Star log(g) 4.3 0.2 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 0.86 0.03 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 4920.0 80.0 K Kokori et al. 2023
a/Rs 9.1 0.3 Kokori et al. 2023
eccentricity 0.0 Anderson et al. 2017
inclination [degrees] 86.8 0.4 deg Kokori et al. 2023
omega [degrees] 0.0 deg Kokori et al. 2023
orbital period [days] 2.79857894 2.3e-07 day Kokori et al. 2023
Rp 11.55 0.45 R_Earth Anderson et al. 2017
Rp/Rs 0.1225 0 Anderson et al. 2017
ephemeris [JD] 2458514.194235 7.7e-05 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2456297.719 0.0002 BJD Anderson et al. 2017
2458326.6890885 8.0575e-05 BJD, BJD-TDB Ivshina & Winn 2022, ExoFOP-TESS TOI
2458514.194235 7.7e-05 BJD-TDB Kokori et al. 2023
2459085.10428 0.0001 BJD Patel & Espinoza 2022

Observations

Light curve chart for 0004875
Parameter Value Uncertainty
Am1 0.9993 0.0036
Am2 0.0005 0.0022
a/Rs 8.88 0.11
Rp/Rs 0.1382 0.0022
ephemeris [JD] 2460204.53493 0.00069
eccentricity 0.0
inclination [degrees] 86.8
omega [degrees] 0.0
orbital period [days] 2.79857894
u0 1.880188617376455
u1 -3.122728929673465
u2 3.4510877653814753
u3 -1.208547401659251
duration 0.1032 0.0016