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WASP-177 b

View target in exoplanet catalog
Timing Plot
Global Light Curve

Total Reductions to Date: 9

Date Processed: 09/24/2023 at 00:07:22 (PDT)

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 3.0717217015477916 9.123522423561923e-07
Ephemeris (BJD_TDB) 2459450.3674936923 0.00033557544265441764
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 334.7969885 decimal
DEC -1.8344301 decimal
Host Star Metallicity 0.25 0.04 Turner et al. 2019
Host Star log(g) 4.49 0.05 Log10(cgs) Turner et al. 2019
Host Star Radius [R_Sun] 0.89 0.05 Sol Turner et al. 2019
Host Star Effective Temperature [K] 5017.0 70.0 K Turner et al. 2019
a/Rs 9.61 0.42 Turner et al. 2019
eccentricity 0.0 Ivshina & Winn 2022
inclination [degrees] 84.14 0.66 deg Turner et al. 2019
omega [degrees] 0.0 deg Ivshina & Winn 2022
orbital period [days] 3.07172156 9.4e-07 day Ivshina & Winn 2022
Rp 17.71 7.4 R_Earth Turner et al. 2019
Rp/Rs 0.136 0 Turner et al. 2019
ephemeris [JD] 2459450.36742 0.00033 BJD-TDB Ivshina & Winn 2022

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2457994.3714 0.00028 JD Turner et al. 2019
2459450.3674625 0.000335 BJD, BJD-TDB Ivshina & Winn 2022, ExoFOP-TESS TOI

Observations

Light curve chart for 0000362
Parameter Value Uncertainty
Am1 1.0011 0.0099
Am2 -0.012 0.024
a/Rs 10.41 0.71
Rp/Rs 0.268 0.043
ephemeris [JD] 2459044.9064 0.004
eccentricity 0.0
inclination [degrees] 84.14
omega [degrees] 0.0
orbital period [days] 3.07172156
u0 1.7486752525869322
u1 -2.956267632745773
u2 3.372579112667925
u3 -1.1649866822537396
duration 0 0
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
CV Clear (unfiltered) reduced to V sequence 350.0 nm 850.0 nm
Organization Observer Code Secondary Observers
AAVSO FMAA (collaborate/publish)
Light curve chart for 0000452
Parameter Value Uncertainty
Am1 781531.04 12494.89
Am2 -0.147 0.019
a/Rs 9.07 1.18
Rp/Rs 0.225 0.071
ephemeris [JD] 2459087.884 0.012
eccentricity 0.0
inclination [degrees] 84.14
omega [degrees] 0.0
orbital period [days] 3.07172156
u0 1.7497882658328996
u1 -2.9591378510026747
u2 3.375611790727097
u3 -1.1662621552567858
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
CV Clear (unfiltered) reduced to V sequence 350.0 nm 850.0 nm
Organization Observer Code Secondary Observers
AAVSO RDMA (collaborate/publish)
Light curve chart for 0004396
Parameter Value Uncertainty
Am1 0.977 0.011
Am2 0.013 0.0038
a/Rs 10.84 0.85
Rp/Rs 0.269 0.06
ephemeris [JD] 2459164.7026 0.0067
eccentricity 0.0
inclination [degrees] 84.14
omega [degrees] 0.0
orbital period [days] 3.07172156
u0 1.4517171114446936
u1 -2.4181473170334704
u2 3.02721249994124
u3 -1.0607822492434817
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 SGGB (collaborate/publish) MOBS
Light curve chart for 0003898
Parameter Value Uncertainty
Am1 0.937 0.013
Am2 0.04 0.0094
a/Rs 8.66 0.95
Rp/Rs 0.27 0.063
ephemeris [JD] 2459345.9092 0.0092
eccentricity 0.0
inclination [degrees] 84.14
omega [degrees] 0.0
orbital period [days] 3.07172156
u0 1.4510449943522428
u1 -2.4170940368396923
u2 3.0266718849218854
u3 -1.0606227973335103
duration 0.058 0.014
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 SMAMA (collaborate/publish) MOBS
Light curve chart for 0004308
Parameter Value Uncertainty
Am1 0.8978 0.0087
Am2 0.096 0.028
a/Rs 8.17 0.78
Rp/Rs 0.151 0.041
ephemeris [JD] 2459431.9388 0.0076
eccentricity 0.0
inclination [degrees] 84.14
omega [degrees] 0.0
orbital period [days] 3.07172156
u0 1.4518812776638983
u1 -2.418100984445679
u2 3.026889657064019
u3 -1.0606699051780675
duration 0.091 0.015
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
Light curve chart for 0002746
Parameter Value Uncertainty
Am1 0.974 0.017
Am2 0.0156 0.006
a/Rs 10.37 0.81
Rp/Rs 0.272 0.063
ephemeris [JD] 2459471.8516 0.0076
eccentricity 0.0
inclination [degrees] 84.14
omega [degrees] 0.0
orbital period [days] 3.07172156
u0 1.451657603625901
u1 -2.418120294904661
u2 3.027417945197779
u3 -1.0609552088069762
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 YLUA (collaborate/publish) MOBS
Light curve chart for 0004232
Parameter Value Uncertainty
Am1 1.058 0.043
Am2 -0.047 0.041
a/Rs 9.29 1.07
Rp/Rs 0.267 0.068
ephemeris [JD] 2460159.923 0.011
eccentricity 0.0
inclination [degrees] 84.14
omega [degrees] 0.0
orbital period [days] 3.07172156
u0 1.45160542929262
u1 -2.4179145265420017
u2 3.0269920290980217
u3 -1.0606828867429439
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 CPHB (collaborate/publish) MOBS
Light curve chart for 0004200
Parameter Value Uncertainty
Am1 1.026 0.012
Am2 -0.019 0.011
a/Rs 9.92 0.95
Rp/Rs 0.201 0.054
ephemeris [JD] 2460159.9367 0.0054
eccentricity 0.0
inclination [degrees] 84.14
omega [degrees] 0.0
orbital period [days] 3.07172156
u0 1.7972863134035995
u1 -2.9257403757137173
u2 3.2781498478664317
u3 -1.149695736708075
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
NA Custom 610.0 nm 690.0 nm
Organization Observer Code Secondary Observers
AAVSO VVIA (collaborate/publish)
Light curve chart for 0004419
Parameter Value Uncertainty
Am1 1.24 0.011
Am2 -0.124 0.025
a/Rs 8.07 1.22
Rp/Rs 0.142 0.071
ephemeris [JD] 2460193.71 0.011
eccentricity 0.0
inclination [degrees] 84.14
omega [degrees] 0.0
orbital period [days] 3.07172156
u0 1.4525340445688124
u1 -2.419968537382506
u2 3.028986239216889
u3 -1.0615517012677833
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 CPHB (collaborate/publish) MOBS

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