results

WASP-41 b

Timing Plot

Total Reductions to Date: 20

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 3.052401757557816 1.0504463925885048e-07
Ephemeris (BJD_TDB) 2460016.692316378 0.00010864039297663672
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 190.6188034 decimal
DEC -30.6398176 decimal
Host Star Metallicity -0.08 0.09 Bonomo et al. 2017
Host Star log(g) 4.52787 0.05 Log10(cgs) ExoFOP-TESS TOI
Host Star Radius [R_Sun] 0.9 0.05 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 5450.0 150.0 K Kokori et al. 2023
a/Rs 9.96 0.08 Kokori et al. 2023
eccentricity 0.12 Bonomo et al. 2017
inclination [degrees] 88.7 0.4 deg Kokori et al. 2023
omega [degrees] 0.0 deg Kokori et al. 2023
orbital period [days] 3.05240175 1.8e-07 day Kokori et al. 2023
Rp 13.76 0.65 R_Earth ExoFOP-TESS TOI
Rp/Rs 0.1492 0 ExoFOP-TESS TOI
ephemeris [JD] 2457077.229441 7.1e-05 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2455343.46339 0.001 BJD-TDB, HJD Bonomo et al. 2017, Maxted et al. 2011
2455996.67927 0.0001 BJD-TDB Southworth et al. 2016
2456014.9936 0.0001 BJD-TDB Neveu-VanMalle et al. 2015
2456765.88431 0.00012 BJD-TDB Ivshina & Winn 2022
2457077.229441 7.1e-05 BJD-TDB Kokori et al. 2023
2459329.902022 0.0001207 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0007471
Parameter Value Uncertainty
Am1 1.018 0.016
Am2 -0.0075 0.0055
a/Rs 10.29 0.23
Rp/Rs 0.125 0.019
ephemeris [JD] 2456707.891 0.0057
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 1.6427547093498438
u1 -2.7951267049041237
u2 3.4306143087862053
u3 -1.2782422621117888
duration 0.1034 0.003
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 CJOB (collaborate/publish) MOBS
Light curve chart for 0013279
Parameter Value Uncertainty
Am1 1.07 0.19
Am2 -0.017 0.059
a/Rs 10.34 0.23
Rp/Rs 0.218 0.074
ephemeris [JD] 2457110.827 0.012
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 1.6434247553408032
u1 -2.7964437069244714
u2 3.43181487759766
u3 -1.2787958748759651
duration 0.1114 0.0076
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 GRAA (collaborate/publish) MOBS
Light curve chart for 0007882
Parameter Value Uncertainty
Am1 0.967 0.024
Am2 0.0158 0.009
a/Rs 10.16 0.23
Rp/Rs 0.087 0.042
ephemeris [JD] 2457165.728 0.012
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 1.64201493821877
u1 -2.794079969881315
u2 3.4299993494126566
u3 -1.2779342666391384
duration 0.085 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 DJSA (collaborate/publish) MOBS
Light curve chart for 0007883
Parameter Value Uncertainty
Am1 1.38 0.046
Am2 -0.103 0.023
a/Rs 9.58 0.23
Rp/Rs 0.298 0.039
ephemeris [JD] 2458218.8281 0.0081
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 1.6424730066822308
u1 -2.7945059860464716
u2 3.430113996079296
u3 -1.2780809656023737
duration 0.0838 0.0082
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 JAHB (collaborate/publish) MOBS
Light curve chart for 0013310
Parameter Value Uncertainty
Am1 0.869 0.094
Am2 0.056 0.033
a/Rs 10.0 0.23
Rp/Rs 0.211 0.074
ephemeris [JD] 2458569.874 0.011
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 1.6427105479866972
u1 -2.7957620992036145
u2 3.4315577589446216
u3 -1.278506156593509
duration 0.061 0.012
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 WSTC (collaborate/publish) MOBS
Light curve chart for 0007965
Parameter Value Uncertainty
Am1 0.33 0.24
Am2 0.47 0.26
a/Rs 9.58 0.23
Rp/Rs 0.001 0.085
ephemeris [JD] 2458569.842 0.012
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 1.6424682667803563
u1 -2.7947423470433743
u2 3.4304125488401773
u3 -1.2781384174600294
duration 0.1045 0.0054
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 KTYB (collaborate/publish) MOBS
Light curve chart for 0001434
Parameter Value Uncertainty
Am1 1.032 0.036
Am2 -0.017 0.012
a/Rs 10.17 0.23
Rp/Rs 0.202 0.024
ephemeris [JD] 2459677.88 0.0061
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 1.920982172488697
u1 -3.3882820758695087
u2 3.876561363024982
u3 -1.4092614018789051
duration 0.1058 0.0056
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 FMAA (collaborate/publish) MOBS
Light curve chart for 0003349
Parameter Value Uncertainty
Am1 1.006 0.011
Am2 -0.0054 0.0031
a/Rs 9.56 0.1
Rp/Rs 0.1055 0.0059
ephemeris [JD] 2460016.6748 0.0016
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 2.0043526311042976
u1 -3.3953479914311364
u2 3.740225164784253
u3 -1.3492297487237161
duration 0.1096 0.0014
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 IAMA (collaborate/publish)
Light curve chart for 6080c8ec095184b52734676795da0cad
Parameter Value Uncertainty
Am1 0.9998 0.0034
Am2 0
a/Rs 9.809 0.081
Rp/Rs 0.1351 0.0011
ephemeris [JD] 2459317.6922 0.00039
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 2.550601165024844
u1 -4.500471826659337
u2 4.523266764903028
u3 -1.5733960358666081
duration 0.10971 0.00097
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 42305cd52fc10cdcd5663cb2e9f8310e
Parameter Value Uncertainty
Am1 0.9998 0.0035
Am2 0
a/Rs 9.736 0.08
Rp/Rs 0.136 0.0011
ephemeris [JD] 2459323.79732 0.00041
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 2.5528211922420145
u1 -4.506243485691935
u2 4.5291186668925825
u3 -1.5756963059535347
duration 0.11088 0.00096
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 7fb55829460f32a95cf2c7093585dc50
Parameter Value Uncertainty
Am1 1.0001 0.0016
Am2 0
a/Rs 9.71 0.13
Rp/Rs 0.1342 0.0022
ephemeris [JD] 2458591.221 0.00077
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 2.5527382930432267
u1 -4.505418052504815
u2 4.527829686613154
u3 -1.5751498596816464
duration 0.1109 0.0016
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 b1f08eea107bb62203e9e996074af828
Parameter Value Uncertainty
Am1 0.9997 0.0015
Am2 0
a/Rs 9.66 0.12
Rp/Rs 0.1321 0.0022
ephemeris [JD] 2458594.27267 0.0008
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 2.5520905597231858
u1 -4.503468429388088
u2 4.525631516612304
u3 -1.5742535795102368
duration 0.1113 0.0014
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 b6d16ef3f3fe6d8c74c0fea56e441e75
Parameter Value Uncertainty
Am1 0.9994 0.0017
Am2 0
a/Rs 9.78 0.14
Rp/Rs 0.134 0.0022
ephemeris [JD] 2458575.95881 0.00077
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 2.5513519640661437
u1 -4.502274154135485
u2 4.525054214186874
u3 -1.574131956688971
duration 0.1098 0.0016
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 021ccecbfd1a0dae4894ef40a2f3c38a
Parameter Value Uncertainty
Am1 0.9999 0.0034
Am2 0
a/Rs 9.767 0.082
Rp/Rs 0.1375 0.0011
ephemeris [JD] 2459314.63984 0.00041
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 2.551266074587496
u1 -4.5018574420367035
u2 4.52452368329319
u3 -1.5739322484233265
duration 0.11049 0.00099
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 a2491a0245400fb90813d6f477dd195b
Parameter Value Uncertainty
Am1 1.0003 0.0033
Am2 0
a/Rs 9.751 0.08
Rp/Rs 0.1357 0.0011
ephemeris [JD] 2459329.90235 0.00039
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 2.5509279546777326
u1 -4.501460681295109
u2 4.524420883475775
u3 -1.5738880894392735
duration 0.11049 0.00094
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 4ba0dbf8641c80c490b641782dccd5bf
Parameter Value Uncertainty
Am1 1.0002 0.0032
Am2 0
a/Rs 9.735 0.08
Rp/Rs 0.1348 0.0011
ephemeris [JD] 2459311.58754 0.00038
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 2.551679764708171
u1 -4.502683903130101
u2 4.525138098590133
u3 -1.57413389273839
duration 0.11049 0.00097
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 a6c56c3b637d19b63b43fc8b6a94b5e7
Parameter Value Uncertainty
Am1 1.0005 0.0016
Am2 0
a/Rs 9.88 0.16
Rp/Rs 0.1373 0.0022
ephemeris [JD] 2458588.16812 0.00079
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 2.5510120832887537
u1 -4.501596128712608
u2 4.524630686664302
u3 -1.5740465738181957
duration 0.1094 0.0018
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 9a10eaf88638eecfdb5240be52a982b4
Parameter Value Uncertainty
Am1 1.0003 0.0033
Am2 0
a/Rs 9.812 0.079
Rp/Rs 0.1347 0.0011
ephemeris [JD] 2459326.84938 0.00038
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 2.5522091037268155
u1 -4.504781325438622
u2 4.527845877265367
u3 -1.5752735880833986
duration 0.10971 0.00094
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 f870278ca719920b49ce9e4ce5b140b6
Parameter Value Uncertainty
Am1 1.0019 0.0016
Am2 0
a/Rs 9.86 0.15
Rp/Rs 0.1348 0.0023
ephemeris [JD] 2458579.01076 0.0008
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 2.551242993714255
u1 -4.501724135290915
u2 4.524224159254947
u3 -1.573742950262094
duration 0.1094 0.0017
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 9505b76b479c3c71d0c15e9e11d406b4
Parameter Value Uncertainty
Am1 0.9997 0.0016
Am2 0
a/Rs 9.8 0.15
Rp/Rs 0.1341 0.0021
ephemeris [JD] 2458572.90651 0.00081
eccentricity 0.12
inclination [degrees] 88.7
omega [degrees] 0.0
orbital period [days] 3.05240175
u0 2.551777624952292
u1 -4.503285887227592
u2 4.525948777799278
u3 -1.5744404480820853
duration 0.1098 0.0018
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)