Timing Plot

Total Reductions to Date: 5

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 1.7208613153203072 6.051611478222753e-07
Ephemeris (BJD_TDB) 2460138.9300966775 0.0018181008383478987
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 286.1103053 decimal
DEC 43.6809612 decimal
Host Star Metallicity 0.371 0.092 Gajdoš et al. 2019
Host Star log(g) 4.20893 0.055 Log10(cgs) Gajdoš et al. 2019
Host Star Radius [R_Sun] 1.33402 0.063 Sol Gajdoš et al. 2019
Host Star Effective Temperature [K] 5832.83 96.06 K Gajdoš et al. 2019
a/Rs 5.443 0.118 Q1-Q17 DR25 KOI Table
eccentricity 0.0 0.0087 Q1-Q17 DR25 KOI Table
inclination [degrees] 82.35 0.2 deg Q1-Q17 DR25 KOI Table
omega [degrees] 125.0 150.0 deg Deleuil et al. 2014
orbital period [days] 1.720861283 4.9e-08 day Gajdoš et al. 2019
Rp 14.63 0.69 R_Earth Berger et al. 2018
Rp/Rs 0.1009 0 Q1-Q17 DR25 KOI Table
ephemeris [JD] 2454966.02102 2.357e-05 BJD Gajdoš et al. 2019

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2454966.0209827 2.9130833333333332e-05 BJD, BJD-TDB, JD Gajdoš et al. 2019, Q1-Q17 DR25 Supplemental KOI Table, Q1-Q17 DR25 KOI Table, Bonomo et al. 2017, 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, Deleuil et al. 2014, Q1-Q8 KOI Table
2459421.32991 0.0017902 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0000689
Parameter Value Uncertainty
Am1 0.996 0.02
Am2 0.0041 0.0067
a/Rs 5.14 0.3
Rp/Rs 0.125 0.015
ephemeris [JD] 2457901.8179 0.0049
eccentricity 0.0
inclination [degrees] 82.35
omega [degrees] 125.0
orbital period [days] 1.720861283
u0 2.043822928826997
u1 -3.709527585105927
u2 4.183968679769133
u3 -1.5182639611442106
duration 0.0959 0.0097

Light curve chart for 0000220
Parameter Value Uncertainty
Am1 0.05916 0.00048
Am2 -0.013 0.017
a/Rs 5.0 0.31
Rp/Rs 0.099 0.015
ephemeris [JD] 2458724.3839 0.006
eccentricity 0.0
inclination [degrees] 82.35
omega [degrees] 125.0
orbital period [days] 1.720861283
u0 2.1392765870153108
u1 -3.72227841282546
u2 4.02740976461531
u3 -1.4444078787920795
duration 0.0944 0.0083

Light curve chart for 0000331
Parameter Value Uncertainty
Am1 0.923 0.0097
Am2 -0.017 0.037
a/Rs 5.6 0.27
Rp/Rs 0.114 0.023
ephemeris [JD] 2459023.8266 0.0048
eccentricity 0.0
inclination [degrees] 82.35
omega [degrees] 125.0
orbital period [days] 1.720861283
u0 2.422906139403142
u1 -4.347582686531883
u2 4.525298341062269
u3 -1.6006217265013292
duration 0.0805 0.0072
Not included in ephemeris calculations

Light curve chart for 0000762
Parameter Value Uncertainty
Am1 1.016 0.024
Am2 -0.0094 0.0071
a/Rs 5.93 0.33
Rp/Rs 0.127 0.033
ephemeris [JD] 2459412.7224 0.0079
eccentricity 0.0
inclination [degrees] 82.35
omega [degrees] 125.0
orbital period [days] 1.720861283
u0 2.4230573883483224
u1 -4.347292411766288
u2 4.52461653368454
u3 -1.600381442844534
duration 0.0751 0.0091
Not included in ephemeris calculations

Light curve chart for 0004041
Parameter Value Uncertainty
Am1 0.9811 0.0071
Am2 0.016 0.01
a/Rs 6.02 0.32
Rp/Rs 0.095 0.011
ephemeris [JD] 2460138.9325 0.0065
eccentricity 0.0
inclination [degrees] 82.35
omega [degrees] 125.0
orbital period [days] 1.720861283
u0 1.783929207365181
u1 -3.1486178833957132
u2 3.752414073449676
u3 -1.3877253415038169
duration 0.0691 0.0078