results

HAT-P-45 b

Timing Plot

Total Reductions to Date: 1

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 3.128995044631189 4.827347092946983e-07
Ephemeris (BJD_TDB) 2460482.929806959 0.0005528389842542185
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 274.3732697 decimal
DEC -3.3810594 decimal
Host Star Metallicity 0.07 0.1 Kokori et al. 2023
Host Star log(g) 4.3 0.06 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 1.319 0.155 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 6330.0 100.0 K Kokori et al. 2023
a/Rs 7.4 0.4 Kokori et al. 2023
eccentricity 0.11 0.063 Bonomo et al. 2017
inclination [degrees] 87.8 0.9 deg Kokori et al. 2023
omega [degrees] 146.0 98.0 deg Hartman et al. 2014
orbital period [days] 3.12899506 5.9e-07 day Kokori et al. 2023
Rp 16.91 0.94 R_Earth ExoFOP-TESS TOI
Rp/Rs 0.1159 0 ExoFOP-TESS TOI
ephemeris [JD] 2458082.99115 0.00035 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2455729.986505 0.00041 BJD, BJD-TDB Bonomo et al. 2017, Hartman et al. 2014
2456502.84809 0.00033 BJD-TDB Mallonn et al. 2019
2457585.47928 0.00047 BJD-TDB Ivshina & Winn 2022
2458082.99115 0.00035 BJD-TDB Kokori et al. 2023
2460482.92975 0.00081143 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0001597
Parameter Value Uncertainty
Am1 0.996 0.023
Am2 0.001 0.022
a/Rs 5.85 0.53
Rp/Rs 0.109 0.015
ephemeris [JD] 2459750.7358 0.0081
eccentricity 0.11
inclination [degrees] 87.8
omega [degrees] 146.0
orbital period [days] 3.12899506
u0 1.922033005814619
u1 -3.482588204719438
u2 4.134700486046262
u3 -1.5741452255296053
duration 0.162 0.012
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
NA Custom 385.0 nm 700.0 nm
Organization Observer Code Secondary Observers
AAVSO NANF (collaborate/publish)