results

Gaia-2 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) 3.6915324682765953 1.0235371132467721e-06
Ephemeris (BJD_TDB) 2459940.3738919254 0.00023823818356441705
Time saved (hours) 0.0007  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 110.7353308 decimal
DEC 67.2526565 decimal
Host Star Metallicity 0.0 0.1 Panahi et al. 2022
Host Star log(g) 4.37355 0.074598 Log10(cgs) ExoFOP-TESS TOI
Host Star Radius [R_Sun] 1.064 0.031 Sol Panahi et al. 2022
Host Star Effective Temperature [K] 5720.0 84.0 K Panahi et al. 2022
a/Rs 9.45 Panahi et al. 2022
eccentricity 0.0 Panahi et al. 2022
inclination [degrees] 85.21 0.25 deg Panahi et al. 2022
omega [degrees] 0.0 deg Panahi et al. 2022
orbital period [days] 3.6915224 3.9e-06 day Panahi et al. 2022
Rp 14.82 0.15 R_Earth Panahi et al. 2022
Rp/Rs 0.1277 0 ExoFOP-TESS TOI
ephemeris [JD] 2458843.98875 0.00019 BJD Panahi et al. 2022

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2458843.98875 0.00019 BJD Panahi et al. 2022
2459940.374302 0.00030017 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0002284
Parameter Value Uncertainty
Am1 1.0013 0.0021
Am2 -0.001 0.0015
a/Rs 8.788 0.048
Rp/Rs 0.1375 0.0014
ephemeris [JD] 2459910.84157 0.00045
eccentricity 0.0
inclination [degrees] 85.21
omega [degrees] 0.0
orbital period [days] 3.6915224
u0 2.1363384802829413
u1 -3.7396617473951155
u2 4.0827966923295325
u3 -1.4794733643789466
duration 0.1169 0.0011
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
R Cousins R 561.7 nm 719.7 nm
Organization Observer Code Secondary Observers
AAVSO KADB (collaborate/publish) CWT
Light curve chart for 0002517
Parameter Value Uncertainty
Am1 1.0235 0.0027
Am2 -0.0166 0.0042
a/Rs 8.729 0.078
Rp/Rs 0.1412 0.0028
ephemeris [JD] 2459932.98817 0.00079
eccentricity 0.0
inclination [degrees] 85.21
omega [degrees] 0.0
orbital period [days] 3.6915224
u0 2.6795065892819765
u1 -4.840509886305738
u2 4.859911826704141
u3 -1.6989084572620494
duration 0.1189 0.0019
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
I Cousins I 721.0 nm 875.0 nm
Organization Observer Code Secondary Observers
AAVSO LPAC (collaborate/publish)
Light curve chart for 0004708
Parameter Value Uncertainty
Am1 1.204 0.014
Am2 -0.133 0.017
a/Rs 8.03 2.64
Rp/Rs 0.126 0.063
ephemeris [JD] 2460220.911 0.012
eccentricity 0.0
inclination [degrees] 85.21
omega [degrees] 0.0
orbital period [days] 3.6915224
u0 1.7627909622578446
u1 -3.095660806593024
u2 3.73417710407372
u3 -1.4013072040949663
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