results

HAT-P-56 b

Timing Plot

Total Reductions to Date: 6

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 2.790826036317864 3.63159146761279e-07
Ephemeris (BJD_TDB) 2459986.3321637586 0.00023391608866128898
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. 2023
Host Star log(g) 4.24 0.015 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 1.428 0.03 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 6566.0 50.0 K Kokori et al. 2023
a/Rs 6.37 0.11 Kokori et al. 2023
eccentricity 0.29 Bonomo et al. 2017
inclination [degrees] 82.13 0.18 deg Kokori et al. 2023
omega [degrees] 0.0 deg Kokori et al. 2023
orbital period [days] 2.790825 3.7e-07 day Kokori et al. 2023
Rp 16.72 1.98 R_Earth Kruse et al. 2019
Rp/Rs 0.0989 0 Kruse et al. 2019
ephemeris [JD] 2458459.75023 0.00016 BJD-TDB Kokori et al. 2023

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
2458459.75023 0.00016 BJD-TDB Kokori et al. 2023
2459475.6105715 0.000249245 BJD, BJD-TDB Ivshina & Winn 2022, ExoFOP-TESS TOI

Observations

Light curve chart for 0000541
Parameter Value Uncertainty
Am1 1.0058 0.0025
Am2 -0.0043 0.0015
a/Rs 6.578 0.071
Rp/Rs 0.123 0.0031
ephemeris [JD] 2459165.83539 0.00098
eccentricity 0.29
inclination [degrees] 82.13
omega [degrees] 0.0
orbital period [days] 2.790825
u0 2.384902984907326
u1 -4.2225465469252
u2 4.430392561760597
u3 -1.5927489337247294
duration 0.0997 0.0025
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
R Cousins R 561.7 nm 719.7 nm
Organization Observer Code Secondary Observers
AAVSO KGAB (collaborate/publish)
Light curve chart for 0001229
Parameter Value Uncertainty
Am1 1.0151 0.0091
Am2 -0.0103 0.0018
a/Rs 6.86 0.23
Rp/Rs 0.08 0.016
ephemeris [JD] 2459525.8246 0.005
eccentricity 0.29
inclination [degrees] 82.13
omega [degrees] 0.0
orbital period [days] 2.790825
u0 1.9843770855707041
u1 -3.5105848073702357
u2 4.059254478991407
u3 -1.53304669670427
duration 0.0822 0.0082
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
V Johnson V 502.8 nm 586.8 nm
Organization Observer Code Secondary Observers
AAVSO RRIF (collaborate/publish) BPAG
Light curve chart for 0001331
Parameter Value Uncertainty
Am1 1.022 0.013
Am2 -0.019 0.044
a/Rs 6.63 0.17
Rp/Rs 0.183 0.012
ephemeris [JD] 2459606.7712 0.0014
eccentricity 0.29
inclination [degrees] 82.13
omega [degrees] 0.0
orbital period [days] 2.790825
u0 1.9846993572391538
u1 -3.511924017824418
u2 4.061000473593848
u3 -1.533775752494961
duration 0.1071 0.0042
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
V Johnson V 502.8 nm 586.8 nm
Organization Observer Code Secondary Observers
AAVSO RJBA (collaborate/publish)
Light curve chart for 0002012
Parameter Value Uncertainty
Am1 1.0164 0.0069
Am2 -0.0079 0.0065
a/Rs 6.91 0.32
Rp/Rs 0.124 0.029
ephemeris [JD] 2459857.9396 0.0087
eccentricity 0.29
inclination [degrees] 82.13
omega [degrees] 0.0
orbital period [days] 2.790825
u0 2.9432602872759137
u1 -5.345837290207918
u2 5.1886745616588135
u3 -1.7860974814095334
duration 0.074 0.011
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
I Cousins I 721.0 nm 875.0 nm
Organization Observer Code Secondary Observers
AAVSO LPAC (collaborate/publish)
Light curve chart for 0002349
Parameter Value Uncertainty
Am1 0.9957 0.0052
Am2 0.0043 0.0084
a/Rs 6.64 0.14
Rp/Rs 0.1067 0.0065
ephemeris [JD] 2459966.8007 0.0021
eccentricity 0.29
inclination [degrees] 82.13
omega [degrees] 0.0
orbital period [days] 2.790825
u0 2.5962324086196813
u1 -4.638352126037218
u2 4.698657327364543
u3 -1.656537539931556
duration 0.0946 0.0049
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
RJ Johnson R 590.0 nm 810.0 nm
Organization Observer Code Secondary Observers
AAVSO MBEB (collaborate/publish)
Light curve chart for 0002748
Parameter Value Uncertainty
Am1 0.967 0.0027
Am2 0.0283 0.0079
a/Rs 6.805 0.055
Rp/Rs 0.0973 0.0028
ephemeris [JD] 2459986.33604 0.00079
eccentricity 0.29
inclination [degrees] 82.13
omega [degrees] 0.0
orbital period [days] 2.790825
u0 2.3855052841247177
u1 -4.224277001166462
u2 4.4322361363500535
u3 -1.5934643532628439
duration 0.0872 0.0018
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
R Cousins R 561.7 nm 719.7 nm
Organization Observer Code Secondary Observers
AAVSO KADB (collaborate/publish) PERC