results

WASP-84 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) 8.523498204623717 3.6484045291416166e-07
Ephemeris (BJD_TDB) 2459985.3043809375 0.00013809509450743034
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 131.1069959 decimal
DEC 1.8598933 decimal
Host Star Metallicity 0.0 0.1 Kokori et al. 2023
Host Star log(g) 4.4 0.1 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 0.768 0.019 Sol Maciejewski et al. 2023
Host Star Effective Temperature [K] 5314.0 88.0 K Kokori et al. 2023
a/Rs 21.78 0.21 Maciejewski et al. 2023
eccentricity 0.077 Bonomo et al. 2017
inclination [degrees] 88.292 0.045 deg Maciejewski et al. 2023
omega [degrees] 0.0 deg Maciejewski et al. 2023
orbital period [days] 8.52349648 6e-07 day Maciejewski et al. 2023
Rp 10.72 0.27 R_Earth Maciejewski et al. 2023
Rp/Rs 0.1313 0 Maciejewski et al. 2023
ephemeris [JD] 2457956.71194 0.00011 BJD-TDB Maciejewski et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2456286.10622 9e-05 BJD-TDB, BJD-UTC Bonomo et al. 2017, Anderson et al. 2014
2456422.48255 0.00014 BJD-TDB Kokori et al. 2022
2456448.052286 6.9e-05 HJD-UTC Anderson et al. 2015
2456763.4224 9.2e-05 BJD-TDB Kokori et al. 2023
2457956.71194 0.00011 BJD-TDB Maciejewski et al. 2023
2459235.23634 0.00037 BJD-TDB Ivshina & Winn 2022
2459985.304174 0.0001779 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0012358
Parameter Value Uncertainty
Am1 1.001 0.032
Am2 0.0073 0.0056
a/Rs 21.47 0.61
Rp/Rs 0.173 0.059
ephemeris [JD] 2457078.772 0.012
eccentricity 0.077
inclination [degrees] 88.292
omega [degrees] 0.0
orbital period [days] 8.52349648
u0 1.6141597855871683
u1 -2.7779394445629872
u2 3.423788662931494
u3 -1.2600089529372487
duration 0.105 0.013
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 MYOA (collaborate/publish) MOBS
Light curve chart for 0008434
Parameter Value Uncertainty
Am1 1.2222 0.0096
Am2 -0.158 0.017
a/Rs 20.93 0.6
Rp/Rs 0.143 0.064
ephemeris [JD] 2457095.83 0.012
eccentricity 0.077
inclination [degrees] 88.292
omega [degrees] 0.0
orbital period [days] 8.52349648
u0 1.613096100181266
u1 -2.776419237719141
u2 3.422732092051233
u3 -1.2594089035106757
duration 0.121 0.01
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 WELC (collaborate/publish) MOBS
Light curve chart for 0008453
Parameter Value Uncertainty
Am1 1.059 0.034
Am2 -0.031 0.012
a/Rs 20.86 0.59
Rp/Rs 0.173 0.023
ephemeris [JD] 2458152.7324 0.0044
eccentricity 0.077
inclination [degrees] 88.292
omega [degrees] 0.0
orbital period [days] 8.52349648
u0 1.61370606993384
u1 -2.776572867462936
u2 3.4219811390477024
u3 -1.2591142905271133
duration 0.1293 0.0061
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 NLIC (collaborate/publish) MOBS
Light curve chart for 0008437
Parameter Value Uncertainty
Am1 0.748 0.024
Am2 0.238 0.079
a/Rs 22.6 0.6
Rp/Rs 0.198 0.064
ephemeris [JD] 2458169.819 0.011
eccentricity 0.077
inclination [degrees] 88.292
omega [degrees] 0.0
orbital period [days] 8.52349648
u0 1.6136096281204186
u1 -2.776673559920057
u2 3.422240713903929
u3 -1.2591767311089295
duration 0.108 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 DJSA (collaborate/publish) MOBS
Light curve chart for 0013302
Parameter Value Uncertainty
Am1 0.963 0.012
Am2 0.0263 0.0041
a/Rs 22.82 0.61
Rp/Rs 0.118 0.026
ephemeris [JD] 2458544.8236 0.0072
eccentricity 0.077
inclination [degrees] 88.292
omega [degrees] 0.0
orbital period [days] 8.52349648
u0 1.613457901154933
u1 -2.7759903155728836
u2 3.421228366349104
u3 -1.2586959009508787
duration 0.1052 0.0061
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 0005375
Parameter Value Uncertainty
Am1 1.075 0.093
Am2 -0.032 0.043
a/Rs 20.78 0.6
Rp/Rs 0.231 0.074
ephemeris [JD] 2459243.78 0.011
eccentricity 0.077
inclination [degrees] 88.292
omega [degrees] 0.0
orbital period [days] 8.52349648
u0 1.6139365742001115
u1 -2.7767738832576145
u2 3.4217933418535127
u3 -1.2589559818073157
duration 0.137 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 MJAT (collaborate/publish) MOBS
Light curve chart for 0005343
Parameter Value Uncertainty
Am1 1.055 0.0088
Am2 -0.0383 0.0086
a/Rs 21.03 0.54
Rp/Rs 0.124 0.01
ephemeris [JD] 2459260.8128 0.0034
eccentricity 0.077
inclination [degrees] 88.292
omega [degrees] 0.0
orbital period [days] 8.52349648
u0 1.8973047252592985
u1 -3.350757178783186
u2 3.83040398487232
u3 -1.3769514742709656
duration 0.12 0.0048
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 RMAS (collaborate/publish)
Light curve chart for 0005372
Parameter Value Uncertainty
Am1 1.1631 0.0088
Am2 -0.122 0.013
a/Rs 22.06 0.59
Rp/Rs 0.153 0.054
ephemeris [JD] 2459601.749 0.011
eccentricity 0.077
inclination [degrees] 88.292
omega [degrees] 0.0
orbital period [days] 8.52349648
u0 1.6136153945446958
u1 -2.777003772689057
u2 3.422959840972939
u3 -1.2595714118225017
duration 0.1175 0.0097
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 CVII (collaborate/publish) MOBS
Light curve chart for 0002729
Parameter Value Uncertainty
Am1 1.1422 0.0071
Am2 -0.102 0.014
a/Rs 22.26 0.6
Rp/Rs 0.102 0.028
ephemeris [JD] 2459976.7868 0.0083
eccentricity 0.077
inclination [degrees] 88.292
omega [degrees] 0.0
orbital period [days] 8.52349648
u0 1.897325200256299
u1 -3.3504369430073973
u2 3.829594982563369
u3 -1.3764831827468584
duration 0.1073 0.0066
Not 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