results

TOI-4087 b

Timing Plot

Total Reductions to Date: 4

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 3.1774845003262038 1.2678902409138716e-06
Ephemeris (BJD_TDB) 2460162.859412455 0.0003362942127489399
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 217.9257785 decimal
DEC 83.3727061 decimal
Host Star Metallicity 0.237 0.079 Yee et al. 2023
Host Star log(g) 4.416 0.015 Log10(cgs) Yee et al. 2023
Host Star Radius [R_Sun] 1.112 0.021 Sol Yee et al. 2023
Host Star Effective Temperature [K] 6060.0 74.0 K Yee et al. 2023
a/Rs 8.63 0.14 Yee et al. 2023
eccentricity 0.0 Yee et al. 2023
inclination [degrees] 87.82 0.37 deg Yee et al. 2023
omega [degrees] 0.0 deg Yee et al. 2023
orbital period [days] 3.1774835 9.4e-07 day Yee et al. 2023
Rp 13.05 0.28 R_Earth Yee et al. 2023
Rp/Rs 0.1075 0 Yee et al. 2023
ephemeris [JD] 2459244.566414 9.3e-05 BJD-TDB Yee et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2459244.566414 9.3e-05 BJD-TDB Yee et al. 2023
2459765.673618 0.0001942 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0004644
Parameter Value Uncertainty
Am1 1.134 0.016
Am2 -0.07 0.013
a/Rs 8.83 0.39
Rp/Rs 0.1 0.012
ephemeris [JD] 2459676.7074 0.0066
eccentricity 0.0
inclination [degrees] 87.82
omega [degrees] 0.0
orbital period [days] 3.1774835
u0 2.0787774689847787
u1 -3.7905559693903594
u2 4.304123721386184
u3 -1.5923451568441616
duration 0.1204 0.0062
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 PMIF (collaborate/publish) UNIS
Light curve chart for 0004643
Parameter Value Uncertainty
Am1 1.19 0.014
Am2 -0.098 0.016
a/Rs 7.93 0.3
Rp/Rs 0.1405 0.0084
ephemeris [JD] 2460124.7359 0.004
eccentricity 0.0
inclination [degrees] 87.82
omega [degrees] 0.0
orbital period [days] 3.1774835
u0 2.078751439237971
u1 -3.791540513291328
u2 4.305694537928658
u3 -1.5929053997154519
duration 0.1409 0.0059
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 PMIF (collaborate/publish) UNIS
Light curve chart for 0004542
Parameter Value Uncertainty
Am1 1.143 0.016
Am2 -0.065 0.011
a/Rs 7.94 0.35
Rp/Rs 0.1463 0.009
ephemeris [JD] 2460159.7023 0.0025
eccentricity 0.0
inclination [degrees] 87.82
omega [degrees] 0.0
orbital period [days] 3.1774835
u0 2.078851192184567
u1 -3.7915881997448144
u2 4.305600908262987
u3 -1.5928638365442858
duration 0.1417 0.0071
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 PMIF (collaborate/publish) UNIS
Light curve chart for 0004641
Parameter Value Uncertainty
Am1 1.092 0.017
Am2 -0.039 0.011
a/Rs 8.63 0.38
Rp/Rs 0.131 0.011
ephemeris [JD] 2460162.8552 0.0049
eccentricity 0.0
inclination [degrees] 87.82
omega [degrees] 0.0
orbital period [days] 3.1774835
u0 2.0787316423622255
u1 -3.7907715583993933
u2 4.304520849883042
u3 -1.5924808697035155
duration 0.1271 0.0061
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 PMIF (collaborate/publish) UNIS