results

K2-229 b

Total Reductions to Date: 5

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) - -
Ephemeris (BJD_TDB) - -
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 186.8729195 decimal
DEC -6.7218474 decimal
Host Star Metallicity -0.09 0.02 Adams et al. 2021
Host Star log(g) 4.6 0.01 Log10(cgs) Adams et al. 2021
Host Star Radius [R_Sun] 0.79 0.01 Sol Adams et al. 2021
Host Star Effective Temperature [K] 5315.0 35.0 K Adams et al. 2021
a/Rs 4.2 0.3 Adams et al. 2021
eccentricity 0.0 Santerne et al. 2018
inclination [degrees] 89.7 4.0 deg Adams et al. 2021
omega [degrees] 0.0 deg Adams et al. 2021
orbital period [days] 0.584216 2.2e-05 day Adams et al. 2021
Rp 1.0 0.02 R_Earth Adams et al. 2021
Rp/Rs 0.0127 0 Livingston et al. 2018
ephemeris [JD] 2457646.56655 0.00046 HJD Adams et al. 2021

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2457646.56655 0.00046 HJD Adams et al. 2021
2457583.4691 0.0012 BJD Livingston et al. 2018
2457582.88613 0.001041 Mayo et al. 2018

Observations

Light curve chart for 0001363
Parameter Value Uncertainty
Am1 0.983 0.027
Am2 0.0106 0.0071
a/Rs 2.87 0.87
Rp/Rs 0.0252 0.0076
ephemeris [JD] 2459679.648 0.012
eccentricity 0.0
inclination [degrees] 89.7
omega [degrees] 0.0
orbital period [days] 0.584216
u0 1.664045135925539
u1 -2.892594233540587
u2 3.527978705648765
u3 -1.2994295554627375
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
NA Custom 385.0 nm 700.0 nm
Organization Observer Code Secondary Observers
AAVSO NANF (collaborate/publish)
Light curve chart for 0001427
Parameter Value Uncertainty
Am1 0.971 0.012
Am2 0.0162 0.0081
a/Rs 2.98 0.86
Rp/Rs 0.0151 0.0071
ephemeris [JD] 2459703.598 0.012
eccentricity 0.0
inclination [degrees] 89.7
omega [degrees] 0.0
orbital period [days] 0.584216
u0 2.290148138146074
u1 -4.02702601042864
u2 4.234618280791685
u3 -1.4977403454083897
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
CBB Astrodon ExoPlanet-BB 500.0 nm 1000.0 nm
Organization Observer Code Secondary Observers
AAVSO MBEB (collaborate/publish)
Light curve chart for 0001480
Parameter Value Uncertainty
Am1 1.307 0.014
Am2 -0.198 0.013
a/Rs 3.97 0.87
Rp/Rs 0.0251 0.0073
ephemeris [JD] 2459714.681 0.012
eccentricity 0.0
inclination [degrees] 89.7
omega [degrees] 0.0
orbital period [days] 0.584216
u0 2.2907067733773294
u1 -4.028638196482339
u2 4.236402267057028
u3 -1.4984707808247055
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
CBB Astrodon ExoPlanet-BB 500.0 nm 1000.0 nm
Organization Observer Code Secondary Observers
AAVSO LPAC (collaborate/publish)
Light curve chart for 0002871
Parameter Value Uncertainty
Am1 0.96 0.027
Am2 0.0232 0.0022
a/Rs 5.12 0.85
Rp/Rs 0.0233 0.0074
ephemeris [JD] 2459988.695 0.012
eccentricity 0.0
inclination [degrees] 89.7
omega [degrees] 0.0
orbital period [days] 0.584216
u0 1.9098931141153415
u1 -3.362827643771871
u2 3.8422687839318654
u3 -1.3893341970210695
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
CV MObs CV 350.0 nm 850.0 nm
Organization Observer Code Secondary Observers
AAVSO NANF (collaborate/publish)
Light curve chart for 0003538
Parameter Value Uncertainty
Am1 1.0148 0.0066
Am2 -0.0121 0.0071
a/Rs 2.82 0.86
Rp/Rs 0.0195 0.0074
ephemeris [JD] 2460063.481 0.012
eccentricity 0.0
inclination [degrees] 89.7
omega [degrees] 0.0
orbital period [days] 0.584216
u0 1.6233239975513236
u1 -2.7710832528959313
u2 3.413698129213792
u3 -1.2659388230011186
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 GEDB (collaborate/publish)