results

WASP-25 b

Timing Plot

Total Reductions to Date: 22

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 3.764833458900285 1.9562218905528732e-07
Ephemeris (BJD_TDB) 2460048.8056393303 0.00017141475545090032
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 195.3597581 decimal
DEC -27.5222273 decimal
Host Star Metallicity -0.05 0.1 Patel & Espinoza 2022
Host Star log(g) 4.5 0.15 Log10(cgs) Patel & Espinoza 2022
Host Star Radius [R_Sun] 0.92 0.04 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 5703.0 100.0 K Kokori et al. 2023
a/Rs 11.223 0.042 McGruder et al. 2023
eccentricity 0.083 Bonomo et al. 2017
inclination [degrees] 88.275 0.065 deg McGruder et al. 2023
omega [degrees] 0.0 deg Enoch et al. 2010
orbital period [days] 3.76483368 5.9e-07 day McGruder et al. 2023
Rp 13.952 0.091 R_Earth ExoFOP-TESS TOI
Rp/Rs 0.1492 0 ExoFOP-TESS TOI
ephemeris [JD] 2457744.72776 0.00017 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2455274.99649 0.00017 HJD Enoch et al. 2010
2455888.66484 0.00013 BJD-TDB Bonomo et al. 2017, Southworth et al. 2014
2456396.9176 0.0004 BJD-TDB Kokori et al. 2022
2456449.62486 0.00016 BJD-TDB Ivshina & Winn 2022
2457744.72776 0.00017 BJD-TDB Kokori et al. 2023
2458572.990673 0.000252 BJD ExoFOP-TESS TOI
2458580.52049 0.00014 BJD Patel & Espinoza 2022

Observations

Light curve chart for 0010760
Parameter Value Uncertainty
Am1 0.964 0.019
Am2 0.017 0.017
a/Rs 11.35 0.12
Rp/Rs 0.126 0.036
ephemeris [JD] 2455628.8984 0.0076
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.7380444647123106
u1 -3.0139173398473234
u2 3.6541076918718645
u3 -1.3782347622864037
duration 0.1133 0.0042
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 PJOO (collaborate/publish) MOBS
Light curve chart for 0012674
Parameter Value Uncertainty
Am1 0.979 0.012
Am2 0.0098 0.0043
a/Rs 11.36 0.12
Rp/Rs 0.137 0.012
ephemeris [JD] 2455662.7706 0.003
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.7388065525560774
u1 -3.01614301862684
u2 3.6568247753664482
u3 -1.37948825480475
duration 0.1144 0.0019
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 DJSA (collaborate/publish) MOBS
Light curve chart for 0009608
Parameter Value Uncertainty
Am1 1.419 0.021
Am2 -0.154 0.019
a/Rs 11.04 0.12
Rp/Rs 0.193 0.042
ephemeris [JD] 2455662.7706 0.0088
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.7386613611523638
u1 -3.015934504857521
u2 3.656530756169418
u3 -1.3792575579777067
duration 0.1243 0.0049
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 RKAC (collaborate/publish) MOBS
Light curve chart for 0010614
Parameter Value Uncertainty
Am1 1.38 0.013
Am2 -0.162 0.018
a/Rs 11.41 0.12
Rp/Rs 0.151 0.056
ephemeris [JD] 2455677.826 0.012
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.7383561159980687
u1 -3.0163736559598573
u2 3.6575772203012966
u3 -1.3795596258373606
duration 0.1145 0.0068
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 KPRB (collaborate/publish) MOBS
Light curve chart for 0007652
Parameter Value Uncertainty
Am1 0.964 0.016
Am2 0.014 0.004
a/Rs 11.01 0.12
Rp/Rs 0.132 0.014
ephemeris [JD] 2455997.8424 0.005
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.7375637113941735
u1 -3.0119673845824946
u2 3.651701475423773
u3 -1.3772977478208595
duration 0.1177 0.0021
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 PJOO (collaborate/publish) MOBS
Light curve chart for 0004203
Parameter Value Uncertainty
Am1 1.364 0.025
Am2 -0.151 0.017
a/Rs 11.43 0.12
Rp/Rs 0.016 0.05
ephemeris [JD] 2456031.748 0.012
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.7387360128241025
u1 -3.0158328154221157
u2 3.6561722058378017
u3 -1.3790753487585774
duration 0.1023 0.0036
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 DKEB (collaborate/publish) MOBS
Light curve chart for 0010111
Parameter Value Uncertainty
Am1 0.977 0.012
Am2 0.0097 0.0051
a/Rs 11.42 0.12
Rp/Rs 0.089 0.023
ephemeris [JD] 2456046.7809 0.007
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.7380062203868358
u1 -3.0140362804283445
u2 3.6542280829892433
u3 -1.3781979684954933
duration 0.1083 0.0029
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 DTEC (collaborate/publish) MOBS
Light curve chart for 0010302
Parameter Value Uncertainty
Am1 0.918 0.012
Am2 0.035 0.013
a/Rs 11.42 0.12
Rp/Rs 0.1 0.033
ephemeris [JD] 2456415.7503 0.0086
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.7389313286152852
u1 -3.0171554300546957
u2 3.657737467485388
u3 -1.3795133115414422
duration 0.1096 0.0037
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 MANE (collaborate/publish) MOBS
Light curve chart for 0009982
Parameter Value Uncertainty
Am1 0.99 0.0095
Am2 0.003 0.014
a/Rs 11.43 0.12
Rp/Rs 0.124 0.018
ephemeris [JD] 2458173.9182 0.0047
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.738307626964083
u1 -3.0143196979757785
u2 3.654604920978684
u3 -1.3785927955091308
duration 0.1121 0.0024
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 VEVA (collaborate/publish) MOBS
Light curve chart for 0005902
Parameter Value Uncertainty
Am1 0.973 0.023
Am2 0.013 0.017
a/Rs 11.03 0.12
Rp/Rs 0.141 0.031
ephemeris [JD] 2458207.8151 0.0064
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.7378601713741397
u1 -3.013366865697959
u2 3.6536848372378645
u3 -1.3781780884698982
duration 0.1186 0.0037
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 PMLA (collaborate/publish) MOBS
Light curve chart for 0007378
Parameter Value Uncertainty
Am1 1.349 0.017
Am2 -0.147 0.018
a/Rs 11.31 0.12
Rp/Rs 0.126 0.047
ephemeris [JD] 2458241.673 0.012
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.7382049826594979
u1 -3.0161500576441598
u2 3.6573260174516067
u3 -1.3793808879685403
duration 0.099 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
V Johnson V 502.8 nm 586.8 nm
Organization Observer Code Secondary Observers
AAVSO FBIA (collaborate/publish) MOBS
Light curve chart for 0005043
Parameter Value Uncertainty
Am1 0.974 0.015
Am2 0.0095 0.0053
a/Rs 11.02 0.12
Rp/Rs 0.17 0.01
ephemeris [JD] 2458256.7494 0.0032
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.7386553403169145
u1 -3.0152993843410245
u2 3.6552729712164767
u3 -1.3786288727245548
duration 0.1219 0.0018
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 MJAT (collaborate/publish) MOBS
Light curve chart for 0010228
Parameter Value Uncertainty
Am1 0.9854 0.0099
Am2 0.0049 0.0077
a/Rs 11.02 0.12
Rp/Rs 0.146 0.012
ephemeris [JD] 2458960.7629 0.0026
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.7382867142859346
u1 -3.0137020728667445
u2 3.653491681319682
u3 -1.3780762682976033
duration 0.1193 0.002
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 FSUB (collaborate/publish) MOBS
Light curve chart for 0000343
Parameter Value Uncertainty
Am1 0.933 0.0056
Am2 -0.0134 0.0027
a/Rs 11.43 0.11
Rp/Rs 0.1225 0.0047
ephemeris [JD] 2459028.546 0.0027
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.738554100574589
u1 -3.0158401114744118
u2 3.656656884037008
u3 -1.3793708186487517
duration 0.1119 0.0013
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 DIGA (collaborate/publish)
Light curve chart for 0010674
Parameter Value Uncertainty
Am1 1.047 0.01
Am2 -0.02 0.029
a/Rs 11.15 0.12
Rp/Rs 0.115 0.034
ephemeris [JD] 2459295.8413 0.0091
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.7377323382916767
u1 -3.013945503392207
u2 3.654973362520833
u3 -1.3787601429569554
duration 0.0632 0.0096
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 WJUD (collaborate/publish) MOBS
Light curve chart for 0003192
Parameter Value Uncertainty
Am1 1.39 0.015
Am2 -0.152 0.027
a/Rs 11.43 0.12
Rp/Rs 0.175 0.02
ephemeris [JD] 2460048.8189 0.0048
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 1.9988328350294864
u1 -3.6031383032666313
u2 4.127354118192676
u3 -1.523048588453162
duration 0.1054 0.005
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 OAS (collaborate/publish) MOBS
Light curve chart for cd7cf124b3cecc3e54d4a56572b48787
Parameter Value Uncertainty
Am1 1.0004 0.0019
Am2 0
a/Rs 11.3 0.1
Rp/Rs 0.1379 0.0016
ephemeris [JD] 2458591.81492 0.00065
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 2.65426423001564
u1 -4.766659522709083
u2 4.789682024105546
u3 -1.677286660040279
duration 0.1155 0.0012
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 4353baded3e1c7bc7058c5c72c3e02ef
Parameter Value Uncertainty
Am1 0.9993 0.002
Am2 0
a/Rs 11.33 0.11
Rp/Rs 0.1405 0.0022
ephemeris [JD] 2458595.57974 0.00086
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 2.6541247622091313
u1 -4.7659103426679685
u2 4.788546770807089
u3 -1.6767611189933436
duration 0.1152 0.0013
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 408362d83593e4f57bb66ee499df0ce7
Parameter Value Uncertainty
Am1 0.9996 0.0018
Am2 0
a/Rs 11.18 0.1
Rp/Rs 0.1385 0.0016
ephemeris [JD] 2458572.99063 0.00064
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 2.6544424179483515
u1 -4.7652314268326
u2 4.7868184974052
u3 -1.6760294171917969
duration 0.1168 0.0012
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 7524d3b06157c71d59c0e7b2eeb67ea8
Parameter Value Uncertainty
Am1 1.0 0.0019
Am2 0
a/Rs 11.19 0.1
Rp/Rs 0.137 0.0016
ephemeris [JD] 2458588.05026 0.00065
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 2.654420926007189
u1 -4.765918842409083
u2 4.787715790829137
u3 -1.6762178030847181
duration 0.1161 0.0012
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 db219d8bf2d3a51d58bd2fc2549a4b5b
Parameter Value Uncertainty
Am1 0.9995 0.0025
Am2 0
a/Rs 11.09 0.1
Rp/Rs 0.1405 0.0018
ephemeris [JD] 2458580.52072 0.00072
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 2.6547372553514212
u1 -4.767074228374036
u2 4.789508910947541
u3 -1.6771718665556823
duration 0.1181 0.0012
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 6bed0ed8a7978a02aa500ac0650419c3
Parameter Value Uncertainty
Am1 0.9993 0.0022
Am2 0
a/Rs 11.19 0.1
Rp/Rs 0.1403 0.0017
ephemeris [JD] 2458576.75592 0.00062
eccentricity 0.083
inclination [degrees] 88.275
omega [degrees] 0.0
orbital period [days] 3.76483368
u0 2.654149123551141
u1 -4.766055084647679
u2 4.788793774974852
u3 -1.6768877425197273
duration 0.1168 0.0011
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)