results
WASP-14 b
Total Reductions to Date: 12
Date Processed: 09/06/2025 at 07:00:04 (PDT)
Exoplanet Watch Ephemeris
| Parameter | Value | Uncertainty |
|---|---|---|
| Orbital Period (Days) | 2.243766588864223 | 8.788690622072762e-08 |
| Ephemeris (BJD_TDB) | 2460023.6301333066 | 0.00015355000496500632 |
| Time saved (hours) | 0.0001 |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 218.2766247 | decimal | ||
| DEC | 21.8946875 | decimal | ||
| Host Star Metallicity | 0.0 | 0.2 | Bonomo et al. 2017 | |
| Host Star log(g) | 4.31 | 0.09 | Log10(cgs) | ExoFOP-TESS TOI |
| Host Star Radius [R_Sun] | 1.306 | 0.073 | Sol | Kokori et al. 2023 |
| Host Star Effective Temperature [K] | 6475.0 | 100.0 | K | Kokori et al. 2023 |
| a/Rs | 5.99 | 0.09 | Kokori et al. 2023 | |
| eccentricity | 0.083 | 0.003 | Kokori et al. 2023 | |
| inclination [degrees] | 84.63 | 0.24 | deg | Kokori et al. 2023 |
| omega [degrees] | 252.7 | 0.7 | deg | Kokori et al. 2023 |
| orbital period [days] | 2.24376639 | 2.3e-07 | day | Kokori et al. 2023 |
| Rp | 14.29 | 0.72 | R_Earth | ExoFOP-TESS TOI |
| Rp/Rs | 0.1015 | 0 | ExoFOP-TESS TOI | |
| ephemeris [JD] | 2455798.61781 | 0.00013 | BJD-TDB | Kokori et al. 2023 |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2454827.06666 | 0.00024 | BJD-TDB | Bonomo et al. 2017 |
| 2455605.65303 | 0.00066 | BJD-TDB | Ivshina & Winn 2022 |
| 2455643.79792 | 0.00011 | BJD-TDB | Kokori et al. 2022 |
| 2455798.61781 | 0.00013 | BJD-TDB | Kokori et al. 2023 |
| 2456034.21261 | 0.00015 | BJD-TDB | Wong et al. 2015 |
| 2459689.309412 | 0.0002022 | BJD | ExoFOP-TESS TOI |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0358 | 0.0068 |
| Am2 | -0.033 | 0.039 |
| a/Rs | 5.54 | 0.2 |
| Rp/Rs | 0.102 | 0.025 |
| ephemeris [JD] | 2458939.8852 | 0.0055 |
| eccentricity | 0.083 | |
| inclination [degrees] | 84.63 | |
| omega [degrees] | 252.7 | |
| orbital period [days] | 2.24376639 | |
| u0 | 1.9716790777428443 | |
| u1 | -3.4948258385355326 | |
| u2 | 4.064262385466128 | |
| u3 | -1.5411155641112106 | |
| duration | 0.121 | 0.0068 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | NLIC (collaborate/publish) | MOBS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.3243 | 0.0074 |
| Am2 | -0.233 | 0.022 |
| a/Rs | 5.64 | 0.26 |
| Rp/Rs | 0.148 | 0.036 |
| ephemeris [JD] | 2458975.77 | 0.013 |
| eccentricity | 0.083 | |
| inclination [degrees] | 84.63 | |
| omega [degrees] | 252.7 | |
| orbital period [days] | 2.24376639 | |
| u0 | 2.166312328822315 | |
| u1 | -3.929294631818218 | |
| u2 | 4.407212804687084 | |
| u3 | -1.6442304360185935 | |
| duration | 0.119 | 0.011 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | SGEO (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.8466 | 0.0091 |
| Am2 | 0.153 | 0.083 |
| a/Rs | 5.58 | 0.26 |
| Rp/Rs | 0.203 | 0.014 |
| ephemeris [JD] | 2459316.8305 | 0.0084 |
| eccentricity | 0.083 | |
| inclination [degrees] | 84.63 | |
| omega [degrees] | 252.7 | |
| orbital period [days] | 2.24376639 | |
| u0 | 1.9721630497275309 | |
| u1 | -3.497082733973895 | |
| u2 | 4.0676491663605985 | |
| u3 | -1.542729421501539 | |
| duration | 0.0781 | 0.0096 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | SCMA (collaborate/publish) | MOBS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.199 | 0.016 |
| Am2 | -0.173 | 0.021 |
| a/Rs | 5.91 | 0.19 |
| Rp/Rs | 0.146 | 0.011 |
| ephemeris [JD] | 2459675.8411 | 0.0034 |
| eccentricity | 0.083 | |
| inclination [degrees] | 84.63 | |
| omega [degrees] | 252.7 | |
| orbital period [days] | 2.24376639 | |
| u0 | 1.972057985932687 | |
| u1 | -3.4959392369061217 | |
| u2 | 4.065610509073775 | |
| u3 | -1.541729197518023 | |
| duration | 0.1267 | 0.0047 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | LPAC (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0138 | 0.0036 |
| Am2 | -0.012 | 0.0061 |
| a/Rs | 6.136 | 0.068 |
| Rp/Rs | 0.1071 | 0.0032 |
| ephemeris [JD] | 2460023.62583 | 0.00068 |
| eccentricity | 0.083 | |
| inclination [degrees] | 84.63 | |
| omega [degrees] | 252.7 | |
| orbital period [days] | 2.24376639 | |
| u0 | 2.2996159639180043 | |
| u1 | -4.05037925793186 | |
| u2 | 4.3224561191425535 | |
| u3 | -1.571692760719082 | |
| duration | 0.1165 | 0.0019 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| SR | Sloan r | 553.1 nm | 693.1 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | SAJB (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.2238 | 0.0039 |
| Am2 | -0.192 | 0.014 |
| a/Rs | 6.43 | 0.26 |
| Rp/Rs | 0.105 | 0.04 |
| ephemeris [JD] | 2460061.753 | 0.011 |
| eccentricity | 0.083 | |
| inclination [degrees] | 84.63 | |
| omega [degrees] | 252.7 | |
| orbital period [days] | 2.24376639 | |
| u0 | 1.9721815748262317 | |
| u1 | -3.496281356786785 | |
| u2 | 4.065904392868904 | |
| u3 | -1.541804550321654 | |
| duration | 0.108 | 0.0091 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.00001 | 0.00072 |
| Am2 | 0 | |
| a/Rs | 5.97 | 0.045 |
| Rp/Rs | 0.0957 | 0.001 |
| ephemeris [JD] | 2459689.30882 | 0.00057 |
| eccentricity | 0.083 | |
| inclination [degrees] | 84.63 | |
| omega [degrees] | 252.7 | |
| orbital period [days] | 2.24376639 | |
| u0 | 2.881047960597966 | |
| u1 | -5.171369741248114 | |
| u2 | 5.019771340307402 | |
| u3 | -1.7294494848568327 | |
| duration | 0.1194 | 0.0013 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 |
|---|---|---|
| EPW | TESS (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.9998 | 0.001 |
| Am2 | 0 | |
| a/Rs | 5.983 | 0.053 |
| Rp/Rs | 0.096 | 0.0011 |
| ephemeris [JD] | 2459671.35851 | 0.00065 |
| eccentricity | 0.083 | |
| inclination [degrees] | 84.63 | |
| omega [degrees] | 252.7 | |
| orbital period [days] | 2.24376639 | |
| u0 | 2.8807036212361408 | |
| u1 | -5.16908293793082 | |
| u2 | 5.0162550288163805 | |
| u3 | -1.727875637373677 | |
| duration | 0.1194 | 0.0016 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 |
|---|---|---|
| EPW | TESS (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0 | 0.00068 |
| Am2 | 0 | |
| a/Rs | 6.021 | 0.045 |
| Rp/Rs | 0.0964 | 0.0011 |
| ephemeris [JD] | 2459675.84627 | 0.00056 |
| eccentricity | 0.083 | |
| inclination [degrees] | 84.63 | |
| omega [degrees] | 252.7 | |
| orbital period [days] | 2.24376639 | |
| u0 | 2.881760616788278 | |
| u1 | -5.172376055006805 | |
| u2 | 5.019846111011307 | |
| u3 | -1.7292305979912435 | |
| duration | 0.118 | 0.0013 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 |
|---|---|---|
| EPW | TESS (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.99995 | 0.00073 |
| Am2 | 0 | |
| a/Rs | 5.962 | 0.046 |
| Rp/Rs | 0.0956 | 0.001 |
| ephemeris [JD] | 2459678.09008 | 0.00059 |
| eccentricity | 0.083 | |
| inclination [degrees] | 84.63 | |
| omega [degrees] | 252.7 | |
| orbital period [days] | 2.24376639 | |
| u0 | 2.8803136395180275 | |
| u1 | -5.167601618117072 | |
| u2 | 5.014503623604407 | |
| u3 | -1.7272155702834353 | |
| duration | 0.1196 | 0.0013 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 |
|---|---|---|
| EPW | TESS (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.00003 | 0.0007 |
| Am2 | 0 | |
| a/Rs | 6.01 | 0.045 |
| Rp/Rs | 0.09509 | 0.00098 |
| ephemeris [JD] | 2459673.6026 | 0.00056 |
| eccentricity | 0.083 | |
| inclination [degrees] | 84.63 | |
| omega [degrees] | 252.7 | |
| orbital period [days] | 2.24376639 | |
| u0 | 2.8808826350572354 | |
| u1 | -5.170466070018768 | |
| u2 | 5.018510056812979 | |
| u3 | -1.7289265470698196 | |
| duration | 0.1184 | 0.0014 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 |
|---|---|---|
| EPW | TESS (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.99995 | 0.00073 |
| Am2 | 0 | |
| a/Rs | 5.988 | 0.046 |
| Rp/Rs | 0.0958 | 0.0011 |
| ephemeris [JD] | 2459687.0655 | 0.00059 |
| eccentricity | 0.083 | |
| inclination [degrees] | 84.63 | |
| omega [degrees] | 252.7 | |
| orbital period [days] | 2.24376639 | |
| u0 | 2.880008008401504 | |
| u1 | -5.166221065029972 | |
| u2 | 5.012579860786432 | |
| u3 | -1.7263667294647038 | |
| duration | 0.1191 | 0.0013 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 |
|---|---|---|
| EPW | TESS (collaborate/publish) |