results

WASP-34 b

Timing Plot

Total Reductions to Date: 14

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 4.317684752379345 4.485966298439907e-07
Ephemeris (BJD_TDB) 2460031.7059694943 0.0001465979828973522
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 165.3993679 decimal
DEC -23.8609457 decimal
Host Star Metallicity -0.02 0.1 Bonomo et al. 2017
Host Star log(g) 4.50578 0.1 Log10(cgs) ExoFOP-TESS TOI
Host Star Radius [R_Sun] 0.93 0.12 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 5700.0 100.0 K Kokori et al. 2023
a/Rs 10.5 0.3 Kokori et al. 2023
eccentricity 0.038 0.012 Kokori et al. 2023
inclination [degrees] 85.2 0.2 deg Kokori et al. 2023
omega [degrees] 319.8 23.2 deg Kokori et al. 2023
orbital period [days] 4.31768411 5.4e-07 day Kokori et al. 2023
Rp 13.39 0.79 R_Earth ExoFOP-TESS TOI
Rp/Rs 0.1062 0 ExoFOP-TESS TOI
ephemeris [JD] 2458654.3645 0.00013 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2454647.55396 0.00064 BJD-TDB, HJD Bonomo et al. 2017, Smalley et al. 2011
2455739.9254 0.0011 BJD-TDB Ivshina & Winn 2022
2458654.3645 0.00013 BJD-TDB Kokori et al. 2023
2460031.706114 0.0002086 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0011046
Parameter Value Uncertainty
Am1 1.562 0.088
Am2 -0.313 0.049
a/Rs 11.0 0.88
Rp/Rs 0.037 0.061
ephemeris [JD] 2456754.581 0.012
eccentricity 0.038
inclination [degrees] 85.2
omega [degrees] 319.8
orbital period [days] 4.31768411
u0 1.7372721473904134
u1 -3.0252860604885923
u2 3.673394225325003
u3 -1.3853802574889853
duration 0 0
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 GDAQ (collaborate/publish) MOBS
Light curve chart for 0000364
Parameter Value Uncertainty
Am1 0.9607 0.0073
Am2 0.028 0.013
a/Rs 10.33 0.75
Rp/Rs 0.212 0.034
ephemeris [JD] 2458874.552 0.01
eccentricity 0.038
inclination [degrees] 85.2
omega [degrees] 319.8
orbital period [days] 4.31768411
u0 1.9995761609635392
u1 -3.617892961235187
u2 4.149641855799404
u3 -1.5313249936932745
duration 0.064 0.011
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
TG DSLR Green 350.0 nm 850.0 nm
Organization Observer Code Secondary Observers
AAVSO KADB (collaborate/publish)
Light curve chart for 0010932
Parameter Value Uncertainty
Am1 1.13 0.012
Am2 -0.0375 0.009
a/Rs 11.77 0.87
Rp/Rs 0.183 0.061
ephemeris [JD] 2458930.692 0.011
eccentricity 0.038
inclination [degrees] 85.2
omega [degrees] 319.8
orbital period [days] 4.31768411
u0 1.7373526567683213
u1 -3.0254795068473306
u2 3.6738763167610706
u3 -1.3857494119370384
duration 0 0
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 MMAMA (collaborate/publish) MOBS
Light curve chart for 0005690
Parameter Value Uncertainty
Am1 2.211933 5.1e-05
Am2 -0.59 0.33
a/Rs 9.65 0.87
Rp/Rs 0.171 0.061
ephemeris [JD] 2459232.916 0.012
eccentricity 0.038
inclination [degrees] 85.2
omega [degrees] 319.8
orbital period [days] 4.31768411
u0 1.7364990313349211
u1 -3.024119195402141
u2 3.672657872542006
u3 -1.385037653747919
duration 0 0
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 MSAJ (collaborate/publish) MOBS
Light curve chart for 9582ecc378643e741f6aba31250d23f7
Parameter Value Uncertainty
Am1 1.0001 0.0019
Am2 0
a/Rs 10.664 0.074
Rp/Rs 0.1266 0.0035
ephemeris [JD] 2459302.01713 0.00039
eccentricity 0.038
inclination [degrees] 85.2
omega [degrees] 319.8
orbital period [days] 4.31768411
u0 2.6571835421611802
u1 -4.790804555229411
u2 4.826837706260034
u3 -1.6932166212663158
duration 0.0873 0.0019
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 8e8c37ba3c47710367447df87067a2c6
Parameter Value Uncertainty
Am1 1.0001 0.0018
Am2 0
a/Rs 10.545 0.067
Rp/Rs 0.1196 0.003
ephemeris [JD] 2459284.74591 0.00039
eccentricity 0.038
inclination [degrees] 85.2
omega [degrees] 319.8
orbital period [days] 4.31768411
u0 2.656040424997939
u1 -4.7861714445156895
u2 4.820907109612618
u3 -1.6907760182577531
duration 0.0887 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 b99efa3c98bc7ff90cfc362953bdec11
Parameter Value Uncertainty
Am1 0.99971 0.00099
Am2 0
a/Rs 10.53 0.11
Rp/Rs 0.1182 0.0049
ephemeris [JD] 2458559.37567 0.0007
eccentricity 0.038
inclination [degrees] 85.2
omega [degrees] 319.8
orbital period [days] 4.31768411
u0 2.6553932991309344
u1 -4.785321522930236
u2 4.820625249356793
u3 -1.6906969537245775
duration 0.0888 0.0028
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 63229e9035fe3e26c0ea0b0a2f295740
Parameter Value Uncertainty
Am1 1.0 0.0019
Am2 0
a/Rs 10.612 0.068
Rp/Rs 0.1225 0.0032
ephemeris [JD] 2459289.06446 0.00039
eccentricity 0.038
inclination [degrees] 85.2
omega [degrees] 319.8
orbital period [days] 4.31768411
u0 2.6567826780067527
u1 -4.790074176584227
u2 4.826445177608195
u3 -1.6931536071110829
duration 0.0877 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 402aafb0367ae89c9d2f75564314c23b
Parameter Value Uncertainty
Am1 1.0001 0.0019
Am2 0
a/Rs 10.609 0.075
Rp/Rs 0.1225 0.0035
ephemeris [JD] 2459297.69983 0.0004
eccentricity 0.038
inclination [degrees] 85.2
omega [degrees] 319.8
orbital period [days] 4.31768411
u0 2.6568948830112364
u1 -4.789824586218131
u2 4.825750617724007
u3 -1.6928208426078242
duration 0.0877 0.002
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 39d54107603d9afb6170a393a78f01dc
Parameter Value Uncertainty
Am1 0.99963 0.00087
Am2 0
a/Rs 10.55 0.1
Rp/Rs 0.1199 0.0047
ephemeris [JD] 2458568.01131 0.00063
eccentricity 0.038
inclination [degrees] 85.2
omega [degrees] 319.8
orbital period [days] 4.31768411
u0 2.6553108723282195
u1 -4.785393663102416
u2 4.8208853630392206
u3 -1.6908025004282345
duration 0.0888 0.0027
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 3bdcc240fb9ba2163731291a542342a3
Parameter Value Uncertainty
Am1 0.99994 0.00092
Am2 0
a/Rs 10.66 0.13
Rp/Rs 0.1251 0.006
ephemeris [JD] 2458555.05751 0.00065
eccentricity 0.038
inclination [degrees] 85.2
omega [degrees] 319.8
orbital period [days] 4.31768411
u0 2.6566955718112397
u1 -4.789076367352021
u2 4.8246470991430535
u3 -1.6922662317094281
duration 0.0873 0.0034
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 97960dc139c4b4c39f93f101f99e2bda
Parameter Value Uncertainty
Am1 0.9997 0.0011
Am2 0
a/Rs 10.55 0.12
Rp/Rs 0.1195 0.0052
ephemeris [JD] 2458563.69351 0.00072
eccentricity 0.038
inclination [degrees] 85.2
omega [degrees] 319.8
orbital period [days] 4.31768411
u0 2.657263557308833
u1 -4.791197137050196
u2 4.827476624266045
u3 -1.693542972589675
duration 0.0888 0.0031
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 88c7b539e19c89cb57186224e4592d22
Parameter Value Uncertainty
Am1 0.99991 0.00092
Am2 0
a/Rs 10.57 0.11
Rp/Rs 0.1202 0.005
ephemeris [JD] 2458550.7389 0.00066
eccentricity 0.038
inclination [degrees] 85.2
omega [degrees] 319.8
orbital period [days] 4.31768411
u0 2.655894413724706
u1 -4.786940149685055
u2 4.822579145611411
u3 -1.691533337789033
duration 0.0884 0.0029
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 ef0366d1677c87029a7aa5ad7938dd3f
Parameter Value Uncertainty
Am1 0.99983 0.00097
Am2 0
a/Rs 10.44 0.12
Rp/Rs 0.1181 0.0048
ephemeris [JD] 2458546.42284 0.00082
eccentricity 0.038
inclination [degrees] 85.2
omega [degrees] 319.8
orbital period [days] 4.31768411
u0 2.6555002263591145
u1 -4.785756388641863
u2 4.821349846613491
u3 -1.6910936124870313
duration 0.0911 0.003
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)