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 100.9561682 decimal
DEC -1.0630076 decimal
Host Star Metallicity 0.03 0.07 Dai et al. 2019
Host Star log(g) 4.54 0.04 Log10(cgs) Dai et al. 2019
Host Star Radius [R_Sun] 0.8389 0.0093 Sol Dai et al. 2019
Host Star Effective Temperature [K] 5250.0 60.0 K John et al. 2022
a/Rs 4.26 0.21 Stassun et al. 2017
eccentricity 0.0 0.07 Stassun et al. 2017
inclination [degrees] 80.98 0.51 deg John et al. 2022
omega [degrees] 160.0 140.0 deg Haywood et al. 2014
orbital period [days] 0.8535 5.9e-07 day John et al. 2022
Rp 1.528 0.065 R_Earth John et al. 2022
Rp/Rs 0.0187 0 Stassun et al. 2017
ephemeris [JD] 2454398.07756 0.00045 JD Barros et al. 2014

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2454398.077053333 0.0009166666666666666 nan Barros et al. 2014, Haywood et al. 2014, Leger et al. 2009
2454446.731 0.003 JD Queloz et al. 2009

Observations

Light curve chart for 0000931
Parameter Value Uncertainty
Am1 1.167 0.016
Am2 -0.119 0.019
a/Rs 3.56 0.59
Rp/Rs 0.014 0.011
ephemeris [JD] 2458166.288 0.012
eccentricity 0.0
inclination [degrees] 80.98
omega [degrees] 160.0
orbital period [days] 0.8535
u0 2.233614433675202
u1 -3.9261987998696415
u2 4.163544045924609
u3 -1.4709596176885285
duration 0 0
Not included in ephemeris calculations