Total Reductions to Date: 1

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) - -
Ephemeris (BJD_TDB) - -
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 280.6872998 decimal
DEC 5.9376586 decimal
Host Star Metallicity -0.03 0.08 Kokori et al. 2023
Host Star log(g) 4.22 0.23 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 1.37 0.03 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 6440.0 120.0 K Kokori et al. 2023
a/Rs 6.89 0.08 Kokori et al. 2023
eccentricity 0.36 Bonomo et al. 2017
inclination [degrees] 83.17 0.15 deg Kokori et al. 2023
omega [degrees] 0.0 deg Kokori et al. 2023
orbital period [days] 2.99427803 4.9e-07 day Kokori et al. 2023
Rp 21.75 1.72 R_Earth ExoFOP-TESS TOI
Rp/Rs 0.1216 0 ExoFOP-TESS TOI
ephemeris [JD] 2456019.9622 0.00037 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2454597.679 0.0003 HJD Gandolfi et al. 2010
2454690.498745 0.00016 BJD, BJD-TDB Bonomo et al. 2017, Gandolfi et al. 2012
2456019.9622 0.00037 BJD-TDB Kokori et al. 2023
2460481.443181 0.00221371 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0001864
Parameter Value Uncertainty
Am1 0.9229 0.0094
Am2 0.038 0.02
a/Rs 6.51 0.24
Rp/Rs 0.235 0.07
ephemeris [JD] 2459810.739 0.012
eccentricity 0.36
inclination [degrees] 83.17
omega [degrees] 0.0
orbital period [days] 2.99427803
u0 2.8272757952988905
u1 -5.072881041454442
u2 4.95647916434487
u3 -1.7108738443320237
duration 0 0
Not included in ephemeris calculations