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WASP-26 b

View target in exoplanet catalog
Timing Plot

Total Reductions to Date: 1

Date Processed: 09/18/2024 at 05:46:24 (PDT)

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 2.756598074798356 3.771376071799549e-07
Ephemeris (BJD_TDB) 2459878.770539599 0.00044754831889618136
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 4.6030424 decimal
DEC -15.2674044 decimal
Host Star Metallicity -0.02 0.09 Kokori et al. 2023
Host Star log(g) 4.3 0.2 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 1.34 0.06 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 5950.0 100.0 K Kokori et al. 2023
a/Rs 6.64 0.16 Kokori et al. 2023
eccentricity 0.0039 Bonomo et al. 2017
inclination [degrees] 82.8 0.3 deg Kokori et al. 2023
omega [degrees] 0.0 deg Kokori et al. 2023
orbital period [days] 2.75659747 4.6e-07 day Kokori et al. 2023
Rp 13.81 0.75 R_Earth ExoFOP-TESS TOI
Rp/Rs 0.0962 0 ExoFOP-TESS TOI
ephemeris [JD] 2457309.62113 0.00025 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2455123.6379 0.0005 HJD Smalley et al. 2010
2455228.38879 0.000665 BJD-TDB, HJD Albrecht et al. 2012, Anderson et al. 2011
2455837.59821 0.00044 BJD-TDB Bonomo et al. 2017, Southworth et al. 2014
2456548.80037 0.00022 BJD-TDB Ivshina & Winn 2022
2456631.49797 0.00023 BJD-TDB Kokori et al. 2022
2457309.62113 0.00025 BJD-TDB Kokori et al. 2023
2459090.383107 0.000485 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0002282
Parameter Value Uncertainty
Am1 1.0027 0.0033
Am2 -0.00157 0.00079
a/Rs 6.58 0.1
Rp/Rs 0.0956 0.0034
ephemeris [JD] 2459878.7692 0.0015
eccentricity 0.0039
inclination [degrees] 82.8
omega [degrees] 0.0
orbital period [days] 2.75659747
u0 2.1534433323353688
u1 -3.7939482644504836
u2 4.16364139209517
u3 -1.5231363979369634
duration 0.0972 0.0034
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

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