Timing Plot

Total Reductions to Date: 12

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 8.803626828943003 8.232462563602546e-06
Ephemeris (BJD_TDB) 2459779.871771891 0.0005249336408918624
Time saved (hours) 0.0018  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 254.1305022 decimal
DEC 44.3025361 decimal
Host Star Metallicity 0.11 0.08 Knudstrup et al. 2024
Host Star log(g) 4.4 0.15 Log10(cgs) Knudstrup et al. 2024
Host Star Radius [R_Sun] 1.03 0.2 Sol Knudstrup et al. 2024
Host Star Effective Temperature [K] 5460.0 130.0 K Knudstrup et al. 2024
a/Rs 19.8 1.5 Knudstrup et al. 2024
eccentricity 0.22 0.063 Knudstrup et al. 2024
inclination [degrees] 89.3 0.24 deg Almenara et al. 2022
omega [degrees] 60.6 5.0 deg Almenara et al. 2022
orbital period [days] 8.80381 4e-05 day Knudstrup et al. 2024
Rp 8.07 0.67 R_Earth Knudstrup et al. 2024
Rp/Rs 0.0914 0 ExoFOP-TESS TOI
ephemeris [JD] 2457957.4876 0.006 BJD-TDB Almenara et al. 2022

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2456883.4236 0.0049 BJD-TDB Ivshina & Winn 2022
2457957.48765 0.00595 BJD-TDB, BJD-UTC Almenara et al. 2022, Hébrard et al. 2020
2459163.62033 0.00036 BJD-TDB Wang et al. 2022
2459735.852814 0.0008743 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0001947
Parameter Value Uncertainty
Am1 1.0393 0.0064
Am2 -0.039 0.05
a/Rs 27.29 3.17
Rp/Rs 0.0906 0.0049
ephemeris [JD] 2459383.694 0.0098
eccentricity 0.22
inclination [degrees] 89.3
omega [degrees] 60.6
orbital period [days] 8.80381
u0 1.6069766808366561
u1 -2.808682278185859
u2 3.4985082371906038
u3 -1.2968025877095664
duration 0.088 0.011

Light curve chart for 0000967
Parameter Value Uncertainty
Am1 0.9986 0.009
Am2 0.0036 0.0036
a/Rs 16.35 1.77
Rp/Rs 0.0885 0.01
ephemeris [JD] 2459436.5197 0.0091
eccentricity 0.22
inclination [degrees] 89.3
omega [degrees] 60.6
orbital period [days] 8.80381
u0 1.9682362616849007
u1 -3.48796894364682
u2 3.940953470476198
u3 -1.4212207297894959
duration 0.15 0.015

Light curve chart for 0001738
Parameter Value Uncertainty
Am1 0.922 0.029
Am2 0.0515 0.006
a/Rs 21.07 1.67
Rp/Rs 0.167 0.014
ephemeris [JD] 2459779.8554 0.0015
eccentricity 0.22
inclination [degrees] 89.3
omega [degrees] 60.6
orbital period [days] 8.80381
u0 2.23435351381417
u1 -3.919651421046634
u2 4.157448517442248
u3 -1.472150548258973
duration 0.125 0.011

Light curve chart for cc3a16a612e86775014274eed32109cc
Parameter Value Uncertainty
Am1 1.00017 0.0006
Am2 0
a/Rs 20.23 1.07
Rp/Rs 0.0829 0.0031
ephemeris [JD] 2459005.151 0.0028
eccentricity 0.22
inclination [degrees] 89.3
omega [degrees] 60.6
orbital period [days] 8.80381
u0 2.471731471861594
u1 -4.3303400931652885
u2 4.382850374580094
u3 -1.5242416879668395
duration 0.121 0.0067

Light curve chart for eec1c7fa5ae24e159bf3601a31d500bb
Parameter Value Uncertainty
Am1 0.99986 0.00054
Am2 0
a/Rs 19.24 0.95
Rp/Rs 0.0846 0.003
ephemeris [JD] 2458978.7361 0.0028
eccentricity 0.22
inclination [degrees] 89.3
omega [degrees] 60.6
orbital period [days] 8.80381
u0 2.4715820416019207
u1 -4.3300445084362424
u2 4.382461802881946
u3 -1.5239992707438539
duration 0.1274 0.0064

Light curve chart for 7e0872879c230286e63e0f0c0abc8ded
Parameter Value Uncertainty
Am1 0.99983 0.00076
Am2 0
a/Rs 17.97 1.18
Rp/Rs 0.0785 0.0033
ephemeris [JD] 2458961.119 0.0035
eccentricity 0.22
inclination [degrees] 89.3
omega [degrees] 60.6
orbital period [days] 8.80381
u0 2.472390383587554
u1 -4.331710377192324
u2 4.383935074127063
u3 -1.5246150151965705
duration 0.136 0.0098

Light curve chart for 3e76a1b4f66a13f287595a37d217c780
Parameter Value Uncertainty
Am1 1.0012 0.0024
Am2 0
a/Rs 20.01 0.51
Rp/Rs 0.0856 0.0019
ephemeris [JD] 2459700.6395 0.0014
eccentricity 0.22
inclination [degrees] 89.3
omega [degrees] 60.6
orbital period [days] 8.80381
u0 2.4725036925710775
u1 -4.333290739764682
u2 4.386456905521104
u3 -1.525669792964198
duration 0.1223 0.0032

Light curve chart for 4fe8c53e9c8ce2ef62530d4111cf1f1e
Parameter Value Uncertainty
Am1 0.9978 0.0027
Am2 0
a/Rs 19.57 0.42
Rp/Rs 0.083 0.0021
ephemeris [JD] 2459735.8516 0.0012
eccentricity 0.22
inclination [degrees] 89.3
omega [degrees] 60.6
orbital period [days] 8.80381
u0 2.472062897039339
u1 -4.331167091561065
u2 4.383576897702594
u3 -1.5244726378604812
duration 0.1249 0.0027

Light curve chart for de15e7110382c8976e0e7a20603920de
Parameter Value Uncertainty
Am1 1.00034 0.00059
Am2 0
a/Rs 18.48 1.19
Rp/Rs 0.085 0.0029
ephemeris [JD] 2458969.9287 0.0031
eccentricity 0.22
inclination [degrees] 89.3
omega [degrees] 60.6
orbital period [days] 8.80381
u0 2.471578015346402
u1 -4.329933229720561
u2 4.382369613066748
u3 -1.5240143333901934
duration 0.1334 0.009

Light curve chart for bfa8b1b0e5b2a4cd948953db9ac7fa0f
Parameter Value Uncertainty
Am1 1.0003 0.0023
Am2 0
a/Rs 19.18 0.57
Rp/Rs 0.0818 0.002
ephemeris [JD] 2459727.0447 0.0016
eccentricity 0.22
inclination [degrees] 89.3
omega [degrees] 60.6
orbital period [days] 8.80381
u0 2.470502863131757
u1 -4.327348604773681
u2 4.379982279383598
u3 -1.5231364724748522
duration 0.1275 0.0041

Light curve chart for 23532614c98b32435bde742148347f7e
Parameter Value Uncertainty
Am1 0.99978 0.00079
Am2 0
a/Rs 20.61 1.38
Rp/Rs 0.0815 0.0035
ephemeris [JD] 2459013.9593 0.0033
eccentricity 0.22
inclination [degrees] 89.3
omega [degrees] 60.6
orbital period [days] 8.80381
u0 2.472186054019069
u1 -4.331104952338611
u2 4.383219593370804
u3 -1.5243006297361994
duration 0.1184 0.008

Light curve chart for 0799d476e936900e724bbf653a34e0ce
Parameter Value Uncertainty
Am1 1.00011 0.00069
Am2 0
a/Rs 18.1 1.21
Rp/Rs 0.0834 0.0036
ephemeris [JD] 2458987.5363 0.0035
eccentricity 0.22
inclination [degrees] 89.3
omega [degrees] 60.6
orbital period [days] 8.80381
u0 2.471049450821352
u1 -4.329128419529481
u2 4.382152133855072
u3 -1.5240730998477878
duration 0.1351 0.0096