Timing Plot

Total Reductions to Date: 1

Date Processed: 05/09/2025 at 07:00:04 (PDT)

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 9.573946120196332 1.3431309784938784e-05
Ephemeris (BJD_TDB) 2460417.2976136 0.0016726240346224977

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 201.9626552 decimal
DEC 9.0306437 decimal
Host Star Metallicity 0.332 0.06 Polanski et al. 2024
Host Star log(g) 3.986 0.018 Log10(cgs) Polanski et al. 2024
Host Star Radius [R_Sun] 2.032 0.037 Sol Polanski et al. 2024
Host Star Effective Temperature [K] 6039.0 93.0 K Polanski et al. 2024
a/Rs 16.2 1.6 Wittenmyer et al. 2022
eccentricity 0.276 0.064 Polanski et al. 2024
inclination [degrees] 87.0 1.7 deg Hixenbaugh et al. 2023
omega [degrees] 67.6 9.7 deg Polanski et al. 2024
orbital period [days] 9.5739181 9.9e-06 day Polanski et al. 2024
Rp 12.35 0.28 R_Earth Polanski et al. 2024
Rp/Rs 0.0563 0 ExoFOP-TESS TOI
ephemeris [JD] 2458933.33614 0.00081 BJD Polanski et al. 2024

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2458933.33614 0.00081 BJD Polanski et al. 2024
2459325.871 0.005 BJD Hixenbaugh et al. 2023
2459402.4575 0.0026 BJD Wittenmyer et al. 2022
2459680.103432 0.0009588 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0009099
Parameter Value Uncertainty
Am1 1.0004 0.0018
Am2 -0.00025 0.00087
a/Rs 12.81 0.36
Rp/Rs 0.046 0.0033
ephemeris [JD] 2460417.2996 0.0029
eccentricity 0.276
inclination [degrees] 87.0
omega [degrees] 67.6
orbital period [days] 9.5739181
u0 2.1207542275623075
u1 -3.7370551371773777
u2 4.09834237055053
u3 -1.4820413998654
duration 0.169 0.0062