results
K2-229 b
Total Reductions to Date: 5
Date Processed: 09/18/2023 at 00:07:19 (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 | 0.998 | 0.022 | 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
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.982 | 0.027 |
| Am2 | 0.0112 | 0.0072 |
| a/Rs | 3.68 | 0.85 |
| Rp/Rs | 0.0254 | 0.0073 |
| ephemeris [JD] | 2459679.655 | 0.012 |
| eccentricity | 0.0 | |
| inclination [degrees] | 89.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 0.584216 | |
| u0 | 1.663913276491701 | |
| u1 | -2.891644311366848 | |
| u2 | 3.5265259414281958 | |
| u3 | -1.298794854003717 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
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) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.979 | 0.012 |
| Am2 | 0.0117 | 0.0078 |
| a/Rs | 3.66 | 0.87 |
| Rp/Rs | 0.0056 | 0.0074 |
| ephemeris [JD] | 2459703.601 | 0.012 |
| eccentricity | 0.0 | |
| inclination [degrees] | 89.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 0.584216 | |
| u0 | 2.2905583121944604 | |
| u1 | -4.028632327409544 | |
| u2 | 4.236670135897494 | |
| u3 | -1.4985960575511061 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
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) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.309 | 0.014 |
| Am2 | -0.199 | 0.013 |
| a/Rs | 5.17 | 0.86 |
| Rp/Rs | 0.0251 | 0.0073 |
| ephemeris [JD] | 2459714.686 | 0.012 |
| eccentricity | 0.0 | |
| inclination [degrees] | 89.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 0.584216 | |
| u0 | 2.2902305719062235 | |
| u1 | -4.027057766120642 | |
| u2 | 4.234466392985174 | |
| u3 | -1.4976391356722885 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
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) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.958 | 0.027 |
| Am2 | 0.0249 | 0.0022 |
| a/Rs | 2.72 | 0.87 |
| Rp/Rs | 0.0224 | 0.0074 |
| ephemeris [JD] | 2459988.707 | 0.012 |
| eccentricity | 0.0 | |
| inclination [degrees] | 89.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 0.584216 | |
| u0 | 1.909962171782307 | |
| u1 | -3.3631213155111666 | |
| u2 | 3.8426138399267926 | |
| u3 | -1.389454638938525 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
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) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0153 | 0.0066 |
| Am2 | -0.0121 | 0.0077 |
| a/Rs | 2.75 | 0.88 |
| Rp/Rs | 0.0186 | 0.0073 |
| ephemeris [JD] | 2460063.486 | 0.012 |
| eccentricity | 0.0 | |
| inclination [degrees] | 89.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 0.584216 | |
| u0 | 1.6231785191321724 | |
| u1 | -2.770718638340156 | |
| u2 | 3.4133016676588794 | |
| u3 | -1.2657614975887381 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
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) |
