chart

Total Reductions to Date: 10

Date Processed: 09/18/2023 at 00:07:19 (PDT)

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 4.046050495180524 3.758160857370653e-07
Ephemeris (BJD_TDB) 2459494.6226824066 0.00019101687682234565
Time saved (hours) 0.0001  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 19.5505861 decimal
DEC 2.7027847 decimal
Host Star Metallicity 0.16 0.1 Hay et al. 2016
Host Star log(g) 4.03 0.09 Log10(cgs) ExoFOP-TESS TOI
Host Star Radius [R_Sun] 1.7 0.03 Sol Gajdoš et al. 2019
Host Star Effective Temperature [K] 6404.0 123.1 K ExoFOP-TESS TOI
a/Rs 6.776 0.006 Gajdoš et al. 2019
eccentricity 0.0 Močnik et al. 2017
inclination [degrees] 89.86 0.18 deg Gajdoš et al. 2019
omega [degrees] 0.0 deg Hay et al. 2016
orbital period [days] 4.0460496 1e-06 day Ivshina & Winn 2022
Rp 14.94 0.27 R_Earth Gajdoš et al. 2019
Rp/Rs 0.0806 0 Gajdoš et al. 2019
ephemeris [JD] 2459450.11564 0.00026 BJD-TDB Ivshina & Winn 2022

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2456787.81336 0.00065 BJD, HJD Gajdoš et al. 2019, Hay et al. 2016
2457394.72301 0.000193 BJD Petigura et al. 2018
2457423.044825 2e-05 BJD Močnik et al. 2017
2459450.11564 0.00026 BJD-TDB Ivshina & Winn 2022
2459474.39271 0.000637 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0000899
Parameter Value Uncertainty
Am1 1.332 0.018
Am2 -0.223 0.013
a/Rs 6.749 0.017
Rp/Rs 0.1611 0.0069
ephemeris [JD] 2459490.5969 0.0014
eccentricity 0.0
inclination [degrees] 89.86
omega [degrees] 0.0
orbital period [days] 4.0460496
u0 2.2260133418037085
u1 -3.980229913044103
u2 4.3251776894768605
u3 -1.5709610537862955
duration 0.2164 0.0015

Light curve chart for 4b229fd6464501a73e828904688d3333
Parameter Value Uncertainty
Am1 1.0002 0.0013
Am2 0
a/Rs 6.806 0.017
Rp/Rs 0.08154 0.00097
ephemeris [JD] 2459494.62242 0.00094
eccentricity 0.0
inclination [degrees] 89.86
omega [degrees] 0.0
orbital period [days] 4.0460496
u0 2.8342118608872546
u1 -5.100220447130983
u2 4.9784793124442706
u3 -1.7124706520154191
duration 0.20499 0.00072

Light curve chart for 4c7aae401eb36b8f33838684c2fc3a5d
Parameter Value Uncertainty
Am1 1.0002 0.0014
Am2 0
a/Rs 6.755 0.017
Rp/Rs 0.0808 0.001
ephemeris [JD] 2459470.34635 0.00096
eccentricity 0.0
inclination [degrees] 89.86
omega [degrees] 0.0
orbital period [days] 4.0460496
u0 2.8353708021576347
u1 -5.10564108788104
u2 4.9857773694904575
u3 -1.7155070094731801
duration 0.20747 0.00069

Light curve chart for 418868662975749bc684e88865d1b092
Parameter Value Uncertainty
Am1 1.0 0.0013
Am2 0
a/Rs 6.746 0.017
Rp/Rs 0.07974 0.00092
ephemeris [JD] 2459478.43962 0.00091
eccentricity 0.0
inclination [degrees] 89.86
omega [degrees] 0.0
orbital period [days] 4.0460496
u0 2.8354472365016785
u1 -5.10368154185358
u2 4.982107020109814
u3 -1.713872640518734
duration 0.20747 0.00069

Light curve chart for 7787a000fdea90c9cfba8750ca7e48dd
Parameter Value Uncertainty
Am1 1.0001 0.0014
Am2 0
a/Rs 6.78 0.017
Rp/Rs 0.08211 0.00095
ephemeris [JD] 2459490.57513 0.00095
eccentricity 0.0
inclination [degrees] 89.86
omega [degrees] 0.0
orbital period [days] 4.0460496
u0 2.8356043259849377
u1 -5.103951241734388
u2 4.982218915133174
u3 -1.7138719251428762
duration 0.20636 0.00072

Light curve chart for edc69ea56d6d8d9a968f04c27be9f4de
Parameter Value Uncertainty
Am1 1.0001 0.0014
Am2 0
a/Rs 6.806 0.017
Rp/Rs 0.08189 0.00095
ephemeris [JD] 2459450.1161 0.001
eccentricity 0.0
inclination [degrees] 89.86
omega [degrees] 0.0
orbital period [days] 4.0460496
u0 2.8356851977493864
u1 -5.104193009647186
u2 4.9823491953260195
u3 -1.7138413091854323
duration 0.20526 0.00073

Light curve chart for f6e9343e17c92022db2143dfeb9636d5
Parameter Value Uncertainty
Am1 1.0 0.0014
Am2 0
a/Rs 6.805 0.017
Rp/Rs 0.08051 0.00095
ephemeris [JD] 2459462.25346 0.00091
eccentricity 0.0
inclination [degrees] 89.86
omega [degrees] 0.0
orbital period [days] 4.0460496
u0 2.8342629547067197
u1 -5.100393700614882
u2 4.9785652589674525
u3 -1.7124344388728874
duration 0.20526 0.0007

Light curve chart for 60d7d4fd55b6f5b869775df7ce8ec03a
Parameter Value Uncertainty
Am1 1.0 0.0014
Am2 0
a/Rs 6.805 0.017
Rp/Rs 0.07743 0.00096
ephemeris [JD] 2459454.1612 0.001
eccentricity 0.0
inclination [degrees] 89.86
omega [degrees] 0.0
orbital period [days] 4.0460496
u0 2.835100597864548
u1 -5.104116670571874
u2 4.9836943567649925
u3 -1.714678209794834
duration 0.20526 0.00071

Light curve chart for 6ba231a5cc02b8ebcd562e0475d7f2b6
Parameter Value Uncertainty
Am1 0.9998 0.0013
Am2 0
a/Rs 6.746 0.017
Rp/Rs 0.08168 0.00095
ephemeris [JD] 2459466.29856 0.00098
eccentricity 0.0
inclination [degrees] 89.86
omega [degrees] 0.0
orbital period [days] 4.0460496
u0 2.834641043555841
u1 -5.100938593706417
u2 4.978859031177181
u3 -1.7125614068358237
duration 0.20748 0.00072

Light curve chart for 0a4d85039c288634b1a7708ca85aa3d5
Parameter Value Uncertainty
Am1 0.9989 0.0013
Am2 0
a/Rs 6.804 0.018
Rp/Rs 0.0828 0.0012
ephemeris [JD] 2459474.3918 0.0012
eccentricity 0.0
inclination [degrees] 89.86
omega [degrees] 0.0
orbital period [days] 4.0460496
u0 2.835033202272942
u1 -5.103137829108589
u2 4.982015477098409
u3 -1.7139107760249463
duration 0.20598 0.00068