Timing Plot

Total Reductions to Date: 10

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 2.744318855391211 1.7064336294650963e-06
Ephemeris (BJD_TDB) 2459896.8085970418 0.0004909623730771962
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 74.5523332 decimal
DEC 9.9979794 decimal
Host Star Metallicity -0.059 0.075 Kokori et al. 2023
Host Star log(g) 4.181 0.055 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 1.858 0.119 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 8450.0 540.0 K Kokori et al. 2023
a/Rs 5.31 0.06 Kokori et al. 2023
eccentricity 0.0 Zhou et al. 2019
inclination [degrees] 83.5 0.91 deg Kokori et al. 2023
omega [degrees] 0.0 deg Kokori et al. 2023
orbital period [days] 2.74431939 9.8e-07 day Kokori et al. 2023
Rp 20.96 1.68 R_Earth Zhou et al. 2019
Rp/Rs 0.0919 0 Zhou et al. 2019
ephemeris [JD] 2459089.978883 8.9e-05 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2459089.978883 8.9e-05 BJD-TDB Kokori et al. 2023
2459188.77414 0.00017 BJD Patel & Espinoza 2022
2459175.05277 0.00017 BJD-TDB Ivshina & Winn 2022
2458439.57519 0.00045 BJD-TDB Zhou et al. 2019
2459197.007544 0.0002534 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0002109
Parameter Value Uncertainty
Am1 0.9984 0.0055
Am2 0.0008 0.0025
a/Rs 5.41 0.13
Rp/Rs 0.093 0.011
ephemeris [JD] 2459896.8088 0.0027
eccentricity 0.0
inclination [degrees] 83.5
omega [degrees] 0.0
orbital period [days] 2.74431939
u0 2.402605800851778
u1 -3.986917702202454
u2 3.9873057300190724
u3 -1.402993769252911
duration 0.1402 0.0039

Light curve chart for 1b9a6f82d562d6ccf278ff98b70371eb
Parameter Value Uncertainty
Am1 1.0003 0.0011
Am2 0
a/Rs 5.319 0.047
Rp/Rs 0.0883 0.0012
ephemeris [JD] 2459177.79742 0.00091
eccentricity 0.0
inclination [degrees] 83.5
omega [degrees] 0.0
orbital period [days] 2.74431939
u0 3.6710351941191424
u1 -6.929328125719249
u2 6.388401389861584
u3 -2.1301083630668787
duration 0.1503 0.002

Light curve chart for 8eebfbab301eb04a65e806430b2312b3
Parameter Value Uncertainty
Am1 0.9997 0.0017
Am2 0
a/Rs 5.31 0.067
Rp/Rs 0.089 0.0016
ephemeris [JD] 2459191.5175 0.0012
eccentricity 0.0
inclination [degrees] 83.5
omega [degrees] 0.0
orbital period [days] 2.74431939
u0 3.6710845356364956
u1 -6.928237984334421
u2 6.386263467912061
u3 -2.129109924051394
duration 0.1512 0.0028

Light curve chart for 715260c0296989e8f58c96416e7ffba8
Parameter Value Uncertainty
Am1 0.9999 0.0013
Am2 0
a/Rs 5.313 0.056
Rp/Rs 0.0874 0.0014
ephemeris [JD] 2459183.2861 0.001
eccentricity 0.0
inclination [degrees] 83.5
omega [degrees] 0.0
orbital period [days] 2.74431939
u0 3.6697882067984406
u1 -6.924979522659179
u2 6.383342901548144
u3 -2.128151490568185
duration 0.1503 0.0024

Light curve chart for ff6562aee5d96846093928842b06cafe
Parameter Value Uncertainty
Am1 0.9998 0.0015
Am2 0
a/Rs 5.324 0.056
Rp/Rs 0.0893 0.0014
ephemeris [JD] 2459197.0071 0.001
eccentricity 0.0
inclination [degrees] 83.5
omega [degrees] 0.0
orbital period [days] 2.74431939
u0 3.675133862629933
u1 -6.93835617340742
u2 6.395238828969937
u3 -2.1320164228959664
duration 0.1506 0.0023

Light curve chart for fa01a7d60fb45bf421a648989ab7c016
Parameter Value Uncertainty
Am1 1.0002 0.0022
Am2 0
a/Rs 5.338 0.068
Rp/Rs 0.0908 0.0019
ephemeris [JD] 2459199.7493 0.0013
eccentricity 0.0
inclination [degrees] 83.5
omega [degrees] 0.0
orbital period [days] 2.74431939
u0 3.6695816994628627
u1 -6.924211669232556
u2 6.382403663487692
u3 -2.127773598612773
duration 0.1499 0.0029

Light curve chart for 5ae7f350d30ad67fcaf6c295d3f63f2e
Parameter Value Uncertainty
Am1 1.0002 0.00097
Am2 0
a/Rs 5.347 0.055
Rp/Rs 0.0875 0.0013
ephemeris [JD] 2459180.54165 0.00097
eccentricity 0.0
inclination [degrees] 83.5
omega [degrees] 0.0
orbital period [days] 2.74431939
u0 3.6731126773895677
u1 -6.932929741953347
u2 6.390061988874447
u3 -2.130244829091324
duration 0.149 0.0023

Light curve chart for 4d3a27457cb624df9f8f8020bc0707cd
Parameter Value Uncertainty
Am1 1.00026 0.001
Am2 0
a/Rs 5.304 0.048
Rp/Rs 0.088 0.0013
ephemeris [JD] 2459188.77398 0.00089
eccentricity 0.0
inclination [degrees] 83.5
omega [degrees] 0.0
orbital period [days] 2.74431939
u0 3.665885773459814
u1 -6.914717778778653
u2 6.373756274317391
u3 -2.1249241740221834
duration 0.1512 0.002

Light curve chart for b541582e3df736eab6288e69fdf37fc8
Parameter Value Uncertainty
Am1 1.00119 0.00089
Am2 0
a/Rs 5.31 0.043
Rp/Rs 0.0857 0.0012
ephemeris [JD] 2459175.05261 0.0008
eccentricity 0.0
inclination [degrees] 83.5
omega [degrees] 0.0
orbital period [days] 2.74431939
u0 3.6728072751425738
u1 -6.932587838441529
u2 6.39017462824915
u3 -2.1303939697291723
duration 0.1503 0.0018

Light curve chart for 351990bdfe1f055997b6f797d2449f93
Parameter Value Uncertainty
Am1 1.0004 0.001
Am2 0
a/Rs 5.334 0.048
Rp/Rs 0.0882 0.0012
ephemeris [JD] 2459194.26311 0.00086
eccentricity 0.0
inclination [degrees] 83.5
omega [degrees] 0.0
orbital period [days] 2.74431939
u0 3.667373145157573
u1 -6.918816130766457
u2 6.377747885606491
u3 -2.126304804961757
duration 0.1499 0.0019