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Kepler-74 b

View target in exoplanet catalog
chart

Total Reductions to Date: 1

Date Processed: 09/18/2023 at 00:07:19 (PDT)

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 7.340716151498122 4.140849262850155e-06
Ephemeris (BJD_TDB) 2459423.1604162515 0.0024467282688631687
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 293.0925275 decimal
DEC 41.3555095 decimal
Host Star Metallicity 0.238 0.013 Gajdoš et al. 2019
Host Star log(g) 4.14 0.06 Log10(cgs) Gajdoš et al. 2019
Host Star Radius [R_Sun] 1.44 0.07 Sol Gajdoš et al. 2019
Host Star Effective Temperature [K] 5828.81 125.92 K Gajdoš et al. 2019
a/Rs 17.37 1.0 Q1-Q17 DR25 KOI Table
eccentricity 0.0 0.062 Q1-Q17 DR25 KOI Table
inclination [degrees] 88.13 0.07 deg Q1-Q17 DR25 KOI Table
omega [degrees] 60.0 42.0 deg Bonomo et al. 2017
orbital period [days] 7.34071463 6.1e-07 day Gajdoš et al. 2019
Rp 12.81 0.65 R_Earth Berger et al. 2018
Rp/Rs 0.0923 0 Q1-Q17 DR25 KOI Table
ephemeris [JD] 2455187.56721 5.3e-05 BJD Gajdoš et al. 2019

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2454967.3455863334 0.00011655555555555556 BJD, JD Q1-Q17 DR25 Supplemental KOI Table, Q1-Q17 DR25 KOI Table, Holczer et al. 2016, Morton et al. 2016, Q1-Q17 DR24 KOI Table, Q1-Q16 KOI Table, Q1-Q12 KOI Table, Q1-Q8 KOI Table, Hebrard et al. 2013
2455187.5673166662 0.00011099999999999999 BJD, BJD-TDB Gajdoš et al. 2019, Bonomo et al. 2017, Bonomo et al. 2015
2459423.155978 0.004334 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0000368
Parameter Value Uncertainty
Am1 0.4159 0.0047
Am2 0.05 0.02
a/Rs 16.42 1.99
Rp/Rs 0.09 0.012
ephemeris [JD] 2459048.7645 0.0085
eccentricity 0.0
inclination [degrees] 88.13
omega [degrees] 60.0
orbital period [days] 7.34071463
u0 2.358947123267027
u1 -4.200908658947869
u2 4.402241842246833
u3 -1.5602802409674754
duration 0.129 0.016
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
CBB Clear with blue-blocking 500.0 nm 1000.0 nm
Organization Observer Code Secondary Observers
AAVSO LPAC (collaborate/publish)

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