results
WASP-183 b
Total Reductions to Date: 4
Date Processed: 09/18/2023 at 00:07:19 (PDT)
Exoplanet Watch Ephemeris
| Parameter | Value | Uncertainty |
|---|---|---|
| Orbital Period (Days) | 4.111761525934633 | 4.2589001127030174e-06 |
| Ephemeris (BJD_TDB) | 2460028.872320928 | 0.0006282151860076626 |
| Time saved (hours) | 0.0002 |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 163.7888521 | decimal | ||
| DEC | -0.7370663 | decimal | ||
| Host Star Metallicity | -0.31 | 0.04 | Turner et al. 2019 | |
| Host Star log(g) | 4.45 | 0.04 | Log10(cgs) | Turner et al. 2019 |
| Host Star Radius [R_Sun] | 0.87 | 0.04 | Sol | Turner et al. 2019 |
| Host Star Effective Temperature [K] | 5313.0 | 72.0 | K | Turner et al. 2019 |
| a/Rs | 11.44 | 0.54 | Turner et al. 2019 | |
| eccentricity | 0.0 | Ivshina & Winn 2022 | ||
| inclination [degrees] | 85.37 | 0.61 | deg | Turner et al. 2019 |
| omega [degrees] | 0.0 | deg | Ivshina & Winn 2022 | |
| orbital period [days] | 4.1117648 | 6.8e-06 | day | Ivshina & Winn 2022 |
| Rp | 16.48 | 10.54 | R_Earth | Turner et al. 2019 |
| Rp/Rs | 0.1503 | 0 | Turner et al. 2019 | |
| ephemeris [JD] | 2459259.97278 | 0.00045 | BJD-TDB | Ivshina & Winn 2022 |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2459259.97278 | 0.00045 | BJD-TDB | Ivshina & Winn 2022 |
| 2457796.1845 | 0.0024 | JD | Turner et al. 2019 |
| 2459576.578656 | 0.000314 | BJD | ExoFOP-TESS TOI |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.167 | 0.022 |
| Am2 | 0.035 | 0.029 |
| a/Rs | 12.61 | 0.95 |
| Rp/Rs | 0.298 | 0.043 |
| ephemeris [JD] | 2458955.7107 | 0.004 |
| eccentricity | 0.0 | |
| inclination [degrees] | 85.37 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.1117648 | |
| u0 | 1.9066305584293919 | |
| u1 | -3.341711761573297 | |
| u2 | 3.8417668333074553 | |
| u3 | -1.4066855729167633 | |
| duration | 0.084 | 0.018 |
Included in ephemeris calculations
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 | MFRC (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.99 | 0.031 |
| Am2 | 0.013 | 0.019 |
| a/Rs | 9.82 | 1.21 |
| Rp/Rs | 0.184 | 0.055 |
| ephemeris [JD] | 2459621.8262 | 0.0078 |
| eccentricity | 0.0 | |
| inclination [degrees] | 85.37 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.1117648 | |
| u0 | 1.6113212250318631 | |
| u1 | -2.7034820407638245 | |
| u2 | 3.354794867214394 | |
| u3 | -1.2626340014920938 | |
| duration | 0.118 | 0.025 |
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 | VDAD (collaborate/publish) | MOBS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.91 | 0.42 |
| Am2 | 0.07 | 0.28 |
| a/Rs | 13.44 | 1.57 |
| Rp/Rs | 0.28 | 0.087 |
| ephemeris [JD] | 2459654.723 | 0.012 |
| eccentricity | 0.0 | |
| inclination [degrees] | 85.37 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.1117648 | |
| u0 | 1.6114763890681005 | |
| u1 | -2.703746258815425 | |
| u2 | 3.354894849079853 | |
| u3 | -1.2626249293406997 | |
| 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 | TKVA (collaborate/publish) | MOBS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0108 | 0.0078 |
| Am2 | -0.0067 | 0.0026 |
| a/Rs | 11.19 | 0.52 |
| Rp/Rs | 0.188 | 0.028 |
| ephemeris [JD] | 2460028.8706 | 0.0016 |
| eccentricity | 0.0 | |
| inclination [degrees] | 85.37 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.1117648 | |
| u0 | 1.611532394203893 | |
| u1 | -2.703972414276879 | |
| u2 | 3.3552614538938585 | |
| u3 | -1.2628213838235807 | |
| duration | 0.091 | 0.012 |
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 | CCHD (collaborate/publish) |
