chart

Total Reductions to Date: 6

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 2.790826160547665 3.659455179102074e-07
Ephemeris (BJD_TDB) 2459986.3324268362 0.000288002712931234
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 100.8480137 decimal
DEC 27.2521823 decimal
Host Star Metallicity -0.077 0.08 Kokori et al. 2022
Host Star log(g) 4.24 0.01 Log10(cgs) Kokori et al. 2022
Host Star Radius [R_Sun] 1.43 0.03 Sol Kokori et al. 2022
Host Star Effective Temperature [K] 6566.0 50.0 K Kokori et al. 2022
a/Rs 6.87 0.26 Kruse et al. 2019
eccentricity 0.29 Bonomo et al. 2017
inclination [degrees] 82.13 0.18 deg Bonomo et al. 2017
omega [degrees] 0.0 deg Ivshina & Winn 2022
orbital period [days] 2.79082479 4.9e-07 day Ivshina & Winn 2022
Rp 16.72 1.98 R_Earth Kruse et al. 2019
Rp/Rs 0.0989 0 Kruse et al. 2019
ephemeris [JD] 2459475.61077 0.0003 BJD-TDB Ivshina & Winn 2022

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2456553.6166933333 0.00037999999999999997 BJD, BJD-TDB Bonomo et al. 2017, Zhou et al. 2016, Huang et al. 2015
2456768.50899 0.00058 BJD-TDB Crossfield et al. 2016
2457700.6456 0.0004 BJD-TDB Kokori et al. 2022
2459475.61077 0.0003 BJD-TDB Ivshina & Winn 2022
2459548.173846 0.001082 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0000541
Parameter Value Uncertainty
Am1 1.0059 0.0025
Am2 -0.0043 0.0014
a/Rs 6.567 0.069
Rp/Rs 0.1222 0.003
ephemeris [JD] 2459165.83537 0.00097
eccentricity 0.29
inclination [degrees] 82.13
omega [degrees] 0.0
orbital period [days] 2.79082479
u0 2.3836544214490862
u1 -4.216859836322357
u2 4.422563107038069
u3 -1.5893576262634737
duration 0.1001 0.0023

Light curve chart for 0001229
Parameter Value Uncertainty
Am1 1.0151 0.0091
Am2 -0.0104 0.0018
a/Rs 6.88 0.51
Rp/Rs 0.08 0.025
ephemeris [JD] 2459525.8249 0.0054
eccentricity 0.29
inclination [degrees] 82.13
omega [degrees] 0.0
orbital period [days] 2.79082479
u0 1.9819136281183736
u1 -3.5005238404799295
u2 4.046159086945683
u3 -1.5275488142916585
duration 0.082 0.018
Not included in ephemeris calculations

Light curve chart for 0001331
Parameter Value Uncertainty
Am1 1.027 0.013
Am2 -0.024 0.045
a/Rs 6.6 0.23
Rp/Rs 0.183 0.011
ephemeris [JD] 2459606.7711 0.0014
eccentricity 0.29
inclination [degrees] 82.13
omega [degrees] 0.0
orbital period [days] 2.79082479
u0 1.9820553764000388
u1 -3.5007989984729506
u2 4.0463303947971605
u3 -1.527586712429227
duration 0.1075 0.0052

Light curve chart for 0002012
Parameter Value Uncertainty
Am1 0.998 0.0064
Am2 0.0011 0.0034
a/Rs 8.17 0.24
Rp/Rs 0.172 0.024
ephemeris [JD] 2459857.9362 0.0024
eccentricity 0.29
inclination [degrees] 82.13
omega [degrees] 0.0
orbital period [days] 2.79082479
u0 2.9426397293830187
u1 -5.343161259383924
u2 5.185092895600384
u3 -1.7845712883355729
duration 0.0602 0.0081

Light curve chart for 0002349
Parameter Value Uncertainty
Am1 0.9955 0.0052
Am2 0.0044 0.0088
a/Rs 6.64 0.23
Rp/Rs 0.1061 0.0086
ephemeris [JD] 2459966.8009 0.0028
eccentricity 0.29
inclination [degrees] 82.13
omega [degrees] 0.0
orbital period [days] 2.79082479
u0 2.594604884871034
u1 -4.632576838669889
u2 4.69165720182315
u3 -1.6536851781131543
duration 0.0947 0.0079

Light curve chart for 0002748
Parameter Value Uncertainty
Am1 0.9674 0.0027
Am2 0.0279 0.0083
a/Rs 6.805 0.06
Rp/Rs 0.0973 0.0029
ephemeris [JD] 2459986.3361 0.00078
eccentricity 0.29
inclination [degrees] 82.13
omega [degrees] 0.0
orbital period [days] 2.79082479
u0 2.3841944828498067
u1 -4.218554444605932
u2 4.424493870782047
u3 -1.5901338430958254
duration 0.0871 0.002