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 287.2921006 decimal
DEC 74.1742762 decimal
Host Star Metallicity 0.0 0.1 Giacalone et al. 2022
Host Star log(g) 4.92 0.04 Log10(cgs) Giacalone et al. 2022
Host Star Radius [R_Sun] 0.31 0.01 Sol Giacalone et al. 2022
Host Star Effective Temperature [K] 3330.0 160.0 K Giacalone et al. 2022
a/Rs 4.953 Giacalone et al. 2022
eccentricity 0.0 Giacalone et al. 2022
inclination [degrees] 90.0 deg Giacalone et al. 2022
omega [degrees] 0.0 deg Giacalone et al. 2022
orbital period [days] 0.4090677 3e-07 day Giacalone et al. 2022
Rp 1.17 0.06 R_Earth Giacalone et al. 2022
Rp/Rs 0.0358 0 ExoFOP-TESS TOI
ephemeris [JD] 2458683.4523 0.0003 BJD Giacalone et al. 2022

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2458683.4523 0.0003 BJD Giacalone et al. 2022
2459768.708421 0.0007204 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0001863
Parameter Value Uncertainty
Am1 0.9394 0.0058
Am2 0.045 0.026
a/Rs 7.42 1.45
Rp/Rs 0.044 0.017
ephemeris [JD] 2459817.782 0.012
eccentricity 0.0
inclination [degrees] 90.0
omega [degrees] 0.0
orbital period [days] 0.4090677
u0 2.3049721454900993
u1 -2.745086170585346
u2 2.053685872113071
u3 -0.6135718164155199
duration 0.0183 0.0043
Not included in ephemeris calculations