results

WASP-69 b

Timing Plot

Total Reductions to Date: 9

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 3.8681388083666093 1.9913373636570392e-07
Ephemeris (BJD_TDB) 2460146.908051729 0.0001451869490275218
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 315.0259661 decimal
DEC -5.094857 decimal
Host Star Metallicity 0.35 0.07 Allart et al. 2025
Host Star log(g) 4.57 0.037 Log10(cgs) Allart et al. 2025
Host Star Radius [R_Sun] 0.801 0.015 Sol Allart et al. 2025
Host Star Effective Temperature [K] 4792.0 158.0 K Allart et al. 2025
a/Rs 12.17 0.07 Allart et al. 2025
eccentricity 0.0 Allart et al. 2025
inclination [degrees] 86.79 0.04 deg Allart et al. 2025
omega [degrees] 90.0 deg Allart et al. 2025
orbital period [days] 3.86813881 1.3e-07 day Allart et al. 2025
Rp 11.21 0.22 R_Earth Allart et al. 2025
Rp/Rs 0.1314 0 ExoFOP-TESS TOI
ephemeris [JD] 2455748.83428 0.00013 BJD-TDB Allart et al. 2025

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2455748.8338450002 0.0001675 BJD, BJD-TDB, BJD-UTC Allart et al. 2025, Casasayas-Barris et al. 2017, Bonomo et al. 2017, Anderson et al. 2014
2457176.17789 0.00017 BJD-TDB Kokori et al. 2022
2457269.01322 0.00027 BJD-TDB Kokori et al. 2023
2459798.775459 0.00013197 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0008432
Parameter Value Uncertainty
Am1 0.979 0.03
Am2 0.014 0.041
a/Rs 11.82 0.2
Rp/Rs 0.138 0.056
ephemeris [JD] 2459032.874 0.01
eccentricity 0.0
inclination [degrees] 86.79
omega [degrees] 90.0
orbital period [days] 3.86813881
u0 1.3608712363006517
u1 -2.2796843017513915
u2 2.915210946104525
u3 -0.9963978372137567
duration 0.0963 0.0074
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 SPIC (collaborate/publish) MOBS
Light curve chart for 0009725
Parameter Value Uncertainty
Am1 1.255 0.032
Am2 -0.149 0.015
a/Rs 12.0 0.2
Rp/Rs 0.0 0.048
ephemeris [JD] 2459067.684 0.012
eccentricity 0.0
inclination [degrees] 86.79
omega [degrees] 90.0
orbital period [days] 3.86813881
u0 1.3597961620327688
u1 -2.277640564805942
u2 2.913082099908369
u3 -0.9952376537268899
duration 0.0792 0.0058
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 0008396
Parameter Value Uncertainty
Am1 1.217 0.041
Am2 -0.154 0.069
a/Rs 11.85 0.2
Rp/Rs 0.116 0.066
ephemeris [JD] 2459156.669 0.011
eccentricity 0.0
inclination [degrees] 86.79
omega [degrees] 90.0
orbital period [days] 3.86813881
u0 1.3604762544345927
u1 -2.2777706409679515
u2 2.9121738272314532
u3 -0.9948793973033232
duration 0.057 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 SPIC (collaborate/publish) MOBS
Light curve chart for 0005345
Parameter Value Uncertainty
Am1 1.2356 0.0091
Am2 -0.168 0.025
a/Rs 12.25 0.2
Rp/Rs 0.154 0.023
ephemeris [JD] 2459384.8704 0.0053
eccentricity 0.0
inclination [degrees] 86.79
omega [degrees] 90.0
orbital period [days] 3.86813881
u0 1.3610394670421528
u1 -2.27867615688095
u2 2.9132323509446967
u3 -0.9955956176953547
duration 0.0886 0.005
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 SGDA (collaborate/publish) MOBS
Light curve chart for 0012508
Parameter Value Uncertainty
Am1 0.957 0.019
Am2 0.023 0.023
a/Rs 11.83 0.19
Rp/Rs 0.166 0.028
ephemeris [JD] 2459477.7358 0.0042
eccentricity 0.0
inclination [degrees] 86.79
omega [degrees] 90.0
orbital period [days] 3.86813881
u0 1.3603570905215574
u1 -2.27778809451231
u2 2.912553151738245
u3 -0.9951221043470686
duration 0.1001 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 MJOU (collaborate/publish) MOBS
Light curve chart for 0008423
Parameter Value Uncertainty
Am1 1.291 0.061
Am2 -0.188 0.033
a/Rs 11.84 0.2
Rp/Rs 0.261 0.025
ephemeris [JD] 2459767.8098 0.0032
eccentricity 0.0
inclination [degrees] 86.79
omega [degrees] 90.0
orbital period [days] 3.86813881
u0 1.6705393467143579
u1 -2.827872697278007
u2 3.277728680060415
u3 -1.1203952806548023
duration 0.1121 0.0041
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 ETFA (collaborate/publish) MOBS
Light curve chart for 0012988
Parameter Value Uncertainty
Am1 1.032 0.016
Am2 -0.021 0.019
a/Rs 12.12 0.2
Rp/Rs 0.138 0.03
ephemeris [JD] 2459767.8436 0.0083
eccentricity 0.0
inclination [degrees] 86.79
omega [degrees] 90.0
orbital period [days] 3.86813881
u0 1.3603620436361519
u1 -2.277947401798194
u2 2.912928609655414
u3 -0.9953432080873532
duration 0.0927 0.0044
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 SREG (collaborate/publish) MOBS
Light curve chart for 0004086
Parameter Value Uncertainty
Am1 0.9928 0.0038
Am2 0.0049 0.0033
a/Rs 12.32 0.16
Rp/Rs 0.1339 0.0036
ephemeris [JD] 2460146.90839 0.00083
eccentricity 0.0
inclination [degrees] 86.79
omega [degrees] 90.0
orbital period [days] 3.86813881
u0 1.360783682890358
u1 -2.278792717953715
u2 2.913631068946719
u3 -0.9956219904668762
duration 0.0901 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 CCHD (collaborate/publish)
Light curve chart for 0004167
Parameter Value Uncertainty
Am1 1.04 0.015
Am2 -0.02 0.016
a/Rs 11.82 0.21
Rp/Rs 0.181 0.035
ephemeris [JD] 2460150.7797 0.007
eccentricity 0.0
inclination [degrees] 86.79
omega [degrees] 90.0
orbital period [days] 3.86813881
u0 1.3598173616924543
u1 -2.276590687769658
u2 2.9111878401704643
u3 -0.9944144707131812
duration 0.0702 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 CPHB (collaborate/publish) MOBS