results

TOI-1811 b

Timing Plot

Total Reductions to Date: 3

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 3.7130671438914646 1.9243608400148718e-06
Ephemeris (BJD_TDB) 2460091.7659480264 0.0004234811219671454
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 188.9223576 decimal
DEC 27.2143766 decimal
Host Star Metallicity 0.306 0.076 Rodriguez et al. 2023
Host Star log(g) 4.579 0.022 Log10(cgs) Rodriguez et al. 2023
Host Star Radius [R_Sun] 0.769 0.019 Sol Rodriguez et al. 2023
Host Star Effective Temperature [K] 4766.0 52.0 K Rodriguez et al. 2023
a/Rs 12.28 0.27 Rodriguez et al. 2023
eccentricity 0.052 0.062 Rodriguez et al. 2023
inclination [degrees] 86.48 0.15 deg Rodriguez et al. 2023
omega [degrees] 21.0 57.0 deg Rodriguez et al. 2023
orbital period [days] 3.7130765 1.7e-06 day Rodriguez et al. 2023
Rp 11.14 0.28 R_Earth Rodriguez et al. 2023
Rp/Rs 0.1327 0 Rodriguez et al. 2023
ephemeris [JD] 2459126.36846 0.00017 BJD-TDB Rodriguez et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2459126.36846 0.00017 BJD-TDB Rodriguez et al. 2023
2459661.050292 0.0002362 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0005037
Parameter Value Uncertainty
Am1 0.979 0.02
Am2 0.0167 0.0054
a/Rs 10.94 0.67
Rp/Rs 0.15 0.017
ephemeris [JD] 2460028.6347 0.0051
eccentricity 0.052
inclination [degrees] 86.48
omega [degrees] 21.0
orbital period [days] 3.7130765
u0 1.7354118866489583
u1 -3.0024106325038984
u2 3.4573744656259153
u3 -1.1903756682520807
duration 0.1003 0.0089
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 PMIF (collaborate/publish) UNIS
Light curve chart for 0003305
Parameter Value Uncertainty
Am1 1.3405 0.0069
Am2 -0.164 0.011
a/Rs 11.69 0.77
Rp/Rs 0.122 0.047
ephemeris [JD] 2460050.919 0.011
eccentricity 0.052
inclination [degrees] 86.48
omega [degrees] 21.0
orbital period [days] 3.7130765
u0 1.735577752816865
u1 -3.0033352864185825
u2 3.4587798655158255
u3 -1.1910222803742716
duration 0.087 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
CV MObs CV 350.0 nm 850.0 nm
Organization Observer Code Secondary Observers
AAVSO MBEB (collaborate/publish)
Light curve chart for 0003599
Parameter Value Uncertainty
Am1 0.9849 0.006
Am2 0.0109 0.0059
a/Rs 12.5 0.45
Rp/Rs 0.1491 0.0069
ephemeris [JD] 2460091.7631 0.0017
eccentricity 0.052
inclination [degrees] 86.48
omega [degrees] 21.0
orbital period [days] 3.7130765
u0 1.9015808093028372
u1 -3.2108581888799494
u2 3.5450189206355507
u3 -1.2357414882335398
duration 0.081 0.0052
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
RJ Johnson R 590.0 nm 810.0 nm
Organization Observer Code Secondary Observers
AAVSO MBEB (collaborate/publish)