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) 2.072759945884636 1.2628449782640062e-07
Ephemeris (BJD_TDB) 2460208.5378091456 0.00011913325467738722
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 24.6051389 decimal
DEC -55.7720006 decimal
Host Star Metallicity 0.23 0.11 Kokori et al. 2023
Host Star log(g) 4.43 0.03 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 1.06 0.04 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 5640.0 100.0 K Kokori et al. 2023
a/Rs 6.59 0.15 Kokori et al. 2023
eccentricity 0.019 Bonomo et al. 2017
inclination [degrees] 88.0 1.3 deg Kokori et al. 2023
omega [degrees] 0.0 deg Kokori et al. 2023
orbital period [days] 2.07275965 2.1e-07 day Kokori et al. 2023
Rp 14.3 0.7 R_Earth ExoFOP-TESS TOI
Rp/Rs 0.1215 0 ExoFOP-TESS TOI
ephemeris [JD] 2458554.475352 7.4e-05 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2456438.1873049997 0.00018 BJD-TDB, HJD-UTC Bonomo et al. 2017, Hellier et al. 2014
2457186.454 0.00015 BJD-TDB Kokori et al. 2022
2458355.4904215 6.6475e-05 BJD, BJD-TDB Ivshina & Winn 2022, ExoFOP-TESS TOI
2458554.475352 7.4e-05 BJD-TDB Kokori et al. 2023
2459112.04778 9e-05 BJD Patel & Espinoza 2022

Observations

Light curve chart for 0004531
Parameter Value Uncertainty
Am1 1.0231 0.0076
Am2 -0.0112 0.0029
a/Rs 5.841 0.099
Rp/Rs 0.139 0.0074
ephemeris [JD] 2460208.5446 0.0021
eccentricity 0.019
inclination [degrees] 88.0
omega [degrees] 0.0
orbital period [days] 2.07275965
u0 2.3621328402943513
u1 -4.237530584469165
u2 4.457756688923804
u3 -1.5823588783232392
duration 0.1273 0.0024