Skip Navigation
menu close modal

results

K2-237 b

View target in exoplanet catalog
Timing Plot

Total Reductions to Date: 1

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 2.180537308968261 4.5463211233362936e-07
Ephemeris (BJD_TDB) 2460039.7906678063 0.0004965975181996517
Time saved (hours) 0.0025  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 253.7688479 decimal
DEC -28.7105836 decimal
Host Star Metallicity 0.0 0.08 Patel & Espinoza 2022
Host Star log(g) 4.27 0.12 Log10(cgs) Patel & Espinoza 2022
Host Star Radius [R_Sun] 1.38 0.04 Sol Patel & Espinoza 2022
Host Star Effective Temperature [K] 6099.0 110.0 K Patel & Espinoza 2022
a/Rs 6.17 0.13 Patel & Espinoza 2022
eccentricity 0.042 0.034 Ikwut-Ukwa et al. 2020
inclination [degrees] 88.03 1.1 deg Ikwut-Ukwa et al. 2020
omega [degrees] 74.0 38.0 deg Ikwut-Ukwa et al. 2020
orbital period [days] 2.1805577 5.3e-06 day Patel & Espinoza 2022
Rp 16.2 0.55 R_Earth Ikwut-Ukwa et al. 2020
Rp/Rs 0.1177 0 Ikwut-Ukwa et al. 2020
ephemeris [JD] 2458639.88506 0.00039 BJD Patel & Espinoza 2022

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2458639.88506 0.00039 BJD Patel & Espinoza 2022
2458628.98146 0.00039 BJD-TDB Ivshina & Winn 2022
2457861.4341 0.00013 BJD-TDB Kokori et al. 2022
2457702.255123 3.2e-05 BJD-TDB Ikwut-Ukwa et al. 2020
2457656.463379 5e-06 BJD-TDB Smith et al. 2019
2457684.8101 0.0001 JD Soto et al. 2018
2459363.821393 0.000699 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0003334
Parameter Value Uncertainty
Am1 1.0921 0.0042
Am2 -0.088 0.045
a/Rs 6.72 0.37
Rp/Rs 0.1013 0.0063
ephemeris [JD] 2460039.8017 0.0037
eccentricity 0.042
inclination [degrees] 88.03
omega [degrees] 74.0
orbital period [days] 2.1805577
u0 2.2088323864896893
u1 -3.9194152022768947
u2 4.271348520113119
u3 -1.5607656406778618
duration 0.0441 0.0049
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 PKIB (collaborate/publish)

Explore Alien Worlds

Exoplanet Travel Bureau

This set of travel posters envision a day when the creativity of scientists and engineers will allow us to do things we can only dream of now.
More

Strange New Worlds

Explore an interactive gallery of some of the most intriguing and exotic planets discovered so far.
More
A planetary tour through time. The ancients debated the existence of planets beyond our own; now we know of thousands.

Historic Timeline

A planetary tour through time. The ancients debated the existence of planets beyond our own; now we know of thousands.
More