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 286.9713876 decimal
DEC 46.8682463 decimal
Host Star Metallicity 0.07 0.15 Q1-Q17 DR25 KOI Table
Host Star log(g) 3.93 0.343 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 2.44 0.237 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 8848.0 177.2 K Kokori et al. 2023
a/Rs 4.5007 0.0039 Kokori et al. 2023
eccentricity 0.00064 0.00012 Kokori et al. 2023
inclination [degrees] 86.77 0.048 deg Kokori et al. 2023
omega [degrees] 5.0 8.0 deg Kokori et al. 2023
orbital period [days] 1.763587619 2.8e-08 day Kokori et al. 2023
Rp 17.63 1.67 R_Earth Berger et al. 2018
Rp/Rs 0.0678 0 Q1-Q17 DR25 KOI Table
ephemeris [JD] 2455777.161331 7.1e-06 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2454953.565660538 2.3388461538461536e-05 BJD, JD Gajdoš et al. 2019, Q1-Q17 DR25 Supplemental KOI Table, Q1-Q17 DR25 KOI Table, Holczer et al. 2016, Morton et al. 2016, Q1-Q17 DR24 KOI Table, Esteves et al. 2015, Q1-Q16 KOI Table, Q1-Q12 KOI Table, Q1-Q8 KOI Table, Batalha et al. 2013, Barnes et al. 2011, Borucki et al. 2011
2455138.7439 0.0013 BJD Shporer et al. 2011
2455777.161331 7.1e-06 BJD-TDB Kokori et al. 2023
2460556.484069 0.0002348 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0001580
Parameter Value Uncertainty
Am1 0.962 0.014
Am2 0.0301 0.0088
a/Rs 4.513 0.011
Rp/Rs 0.112 0.027
ephemeris [JD] 2459748.7814 0.0063
eccentricity 0.00064
inclination [degrees] 86.77
omega [degrees] 5.0
orbital period [days] 1.763587619
u0 1.778776885754875
u1 -2.3466863913181553
u2 2.4960830073163707
u3 -0.9281734645585553
duration 0.1268 0.0064
Not included in ephemeris calculations