results

K2-141 c

Total Reductions to Date: 3

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 350.9170464 decimal
DEC -1.1891827 decimal
Host Star Metallicity 0.0 0.06 Bonomo et al. 2023
Host Star log(g) 4.62 0.02 Log10(cgs) Malavolta et al. 2018
Host Star Radius [R_Sun] 0.681 0.018 Sol Bonomo et al. 2023
Host Star Effective Temperature [K] 4570.0 100.0 K Bonomo et al. 2023
a/Rs 21.59 0.71 Malavolta et al. 2018
eccentricity 0.092 Bonomo et al. 2023
inclination [degrees] 87.2 1.6 deg Bonomo et al. 2023
omega [degrees] 90.0 deg Malavolta et al. 2018
orbital period [days] 7.7485 0.00022 day Bonomo et al. 2023
Rp 7.0 4.6 R_Earth Bonomo et al. 2023
Rp/Rs 0.0942 0 Bonomo et al. 2023
ephemeris [JD] 2457751.1546 0.0 BJD-TDB Bonomo et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2457751.1546 0.0005 BJD-TDB Bonomo et al. 2023, Malavolta et al. 2018

Observations

Light curve chart for 0001896
Parameter Value Uncertainty
Am1 0.9969 0.0077
Am2 0.0032 0.0027
a/Rs 18.21 2.08
Rp/Rs 0.054 0.04
ephemeris [JD] 2459827.773 0.013
eccentricity 0.092
inclination [degrees] 87.2
omega [degrees] 90.0
orbital period [days] 7.7485
u0 1.7003931594936204
u1 -2.9070343176702287
u2 3.3679880106340585
u3 -1.1613468022705185
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 Clear (unfiltered) reduced to V sequence 350.0 nm 850.0 nm
Organization Observer Code Secondary Observers
AAVSO MBEB (collaborate/publish)
Light curve chart for 0002311
Parameter Value Uncertainty
Am1 0.9749 0.0043
Am2 0.019 0.038
a/Rs 23.07 1.82
Rp/Rs 0.188 0.048
ephemeris [JD] 2459850.9982 0.0095
eccentricity 0.092
inclination [degrees] 87.2
omega [degrees] 90.0
orbital period [days] 7.7485
u0 2.185415478540151
u1 -3.69849001374502
u2 3.8266092153201896
u3 -1.3135346230944003
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
I Cousins I 721.0 nm 875.0 nm
Organization Observer Code Secondary Observers
AAVSO DLMA (collaborate/publish) RWEA
Light curve chart for 0004395
Parameter Value Uncertainty
Am1 0.9579 0.0074
Am2 0.032 0.01
a/Rs 20.35 2.01
Rp/Rs 0.083 0.045
ephemeris [JD] 2460191.9529 0.0098
eccentricity 0.092
inclination [degrees] 87.2
omega [degrees] 90.0
orbital period [days] 7.7485
u0 1.3640845712757323
u1 -2.2949235744989998
u2 2.9462952738636896
u3 -1.0154562267372012
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 CCHD (collaborate/publish)