results

WASP-24 b

Timing Plot

Total Reductions to Date: 8

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 2.3412206412650556 2.52160549306568e-07
Ephemeris (BJD_TDB) 2460065.838736504 0.00048439310299468684
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 227.2154975 decimal
DEC 2.343286 decimal
Host Star Metallicity 0.07 0.1 Bonomo et al. 2017
Host Star log(g) 4.23 0.08 Log10(cgs) ExoFOP-TESS TOI
Host Star Radius [R_Sun] 1.331 0.032 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 6075.0 100.0 K Kokori et al. 2023
a/Rs 5.94 0.13 Kokori et al. 2023
eccentricity 0.0046 0.012 Bonomo et al. 2017
inclination [degrees] 83.9 0.4 deg Kokori et al. 2023
omega [degrees] 70.0 20.0 deg Knutson et al. 2014
orbital period [days] 2.3412205 3.2e-07 day Kokori et al. 2023
Rp 15.5 0.73 R_Earth ExoFOP-TESS TOI
Rp/Rs 0.1097 0 ExoFOP-TESS TOI
ephemeris [JD] 2455596.44876 0.00018 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2455081.37941 0.00017 HJD Simpson et al. 2011, Street et al. 2010
2455402.12744 0.00015 BJD-TDB Kokori et al. 2022
2455596.44876 0.00018 BJD-TDB Kokori et al. 2023
2455687.75616 0.00016 BJD-TDB Bonomo et al. 2017, Southworth et al. 2014
2456024.89215 0.00022 BJD-TDB Ivshina & Winn 2022
2459714.654156 0.0016169 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0000308
Parameter Value Uncertainty
Am1 0.9294 0.0058
Am2 -0.0005 0.0027
a/Rs 6.09 0.11
Rp/Rs 0.0932 0.0036
ephemeris [JD] 2458967.8062 0.0014
eccentricity 0.0046
inclination [degrees] 83.9
omega [degrees] 70.0
orbital period [days] 2.3412205
u0 1.8308342076491386
u1 -3.300316206421251
u2 3.9837116794919853
u3 -1.5142296213579436
duration 0.1088 0.0031
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 DKS (collaborate/publish)
Light curve chart for 0001343
Parameter Value Uncertainty
Am1 1.167 0.053
Am2 -0.116 0.043
a/Rs 5.8 0.3
Rp/Rs 0.219 0.012
ephemeris [JD] 2459674.86 0.0052
eccentricity 0.0046
inclination [degrees] 83.9
omega [degrees] 70.0
orbital period [days] 2.3412205
u0 2.459129966770644
u1 -4.463377063098469
u2 4.684858243718835
u3 -1.6806110775811822
duration 0.1251 0.0035
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
CBB Astrodon ExoPlanet-BB 500.0 nm 1000.0 nm
Organization Observer Code Secondary Observers
AAVSO LPAC (collaborate/publish)
Light curve chart for 0003394
Parameter Value Uncertainty
Am1 1.087 0.013
Am2 -0.067 0.015
a/Rs 5.48 0.31
Rp/Rs 0.108 0.021
ephemeris [JD] 2460051.7706 0.0041
eccentricity 0.0046
inclination [degrees] 83.9
omega [degrees] 70.0
orbital period [days] 2.3412205
u0 2.0555673027617787
u1 -3.802235588671413
u2 4.381038503132697
u3 -1.6343701519405007
duration 0.129 0.01
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
CV MObs CV 350.0 nm 850.0 nm
Organization Observer Code Secondary Observers
AAVSO NANF (collaborate/publish)
Light curve chart for 0003414
Parameter Value Uncertainty
Am1 0.995 0.042
Am2 -0.004 0.015
a/Rs 5.29 0.16
Rp/Rs 0.2164 0.0091
ephemeris [JD] 2460065.8341 0.0053
eccentricity 0.0046
inclination [degrees] 83.9
omega [degrees] 70.0
orbital period [days] 2.3412205
u0 2.055910523429997
u1 -3.8038668194942478
u2 4.383271521791051
u3 -1.6353151604109648
duration 0.1535 0.006
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
CV MObs CV 350.0 nm 850.0 nm
Organization Observer Code Secondary Observers
AAVSO NANF (collaborate/publish)
Light curve chart for d7a3a157e7cc812652c373fe728e7448
Parameter Value Uncertainty
Am1 0.9996 0.002
Am2 0
a/Rs 6.035 0.075
Rp/Rs 0.0994 0.0019
ephemeris [JD] 2459700.60828 0.00094
eccentricity 0.0046
inclination [degrees] 83.9
omega [degrees] 70.0
orbital period [days] 2.3412205
u0 2.7280725588792394
u1 -4.9286838988950095
u2 4.919412058872318
u3 -1.7188006455515965
duration 0.111 0.0022
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
EPW TESS (collaborate/publish)
Light curve chart for ed4a1dec179b3a76de703dc183be283b
Parameter Value Uncertainty
Am1 0.9999 0.0021
Am2 0
a/Rs 5.896 0.083
Rp/Rs 0.1016 0.002
ephemeris [JD] 2459702.9497 0.001
eccentricity 0.0046
inclination [degrees] 83.9
omega [degrees] 70.0
orbital period [days] 2.3412205
u0 2.7279017650727346
u1 -4.92775321675016
u2 4.918276895834745
u3 -1.7184253708692823
duration 0.1153 0.0024
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
EPW TESS (collaborate/publish)
Light curve chart for fb533085f7554cf27d7aead702a4a75a
Parameter Value Uncertainty
Am1 0.9999 0.0019
Am2 0
a/Rs 5.74 0.15
Rp/Rs 0.0999 0.002
ephemeris [JD] 2459716.9945 0.002
eccentricity 0.0046
inclination [degrees] 83.9
omega [degrees] 70.0
orbital period [days] 2.3412205
u0 2.7295542597211226
u1 -4.933079293233481
u2 4.9243193434038135
u3 -1.720794236513378
duration 0.1198 0.0046
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
EPW TESS (collaborate/publish)
Light curve chart for 7dae392baa3a824f7437d8e862327cf1
Parameter Value Uncertainty
Am1 1.0003 0.0021
Am2 0
a/Rs 5.866 0.083
Rp/Rs 0.1088 0.0022
ephemeris [JD] 2459714.6541 0.001
eccentricity 0.0046
inclination [degrees] 83.9
omega [degrees] 70.0
orbital period [days] 2.3412205
u0 2.7285448313227034
u1 -4.930525338297664
u2 4.921915622008967
u3 -1.7199350416917492
duration 0.1173 0.0025
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
EPW TESS (collaborate/publish)