results
WASP-181 b
Total Reductions to Date: 3
Date Processed: 09/18/2023 at 00:07:19 (PDT)
Exoplanet Watch Ephemeris
| Parameter | Value | Uncertainty |
|---|---|---|
| Orbital Period (Days) | 4.519508704310961 | 1.2276670837429805e-06 |
| Ephemeris (BJD_TDB) | 2459871.835883277 | 0.0003992448563815143 |
| Time saved (hours) | - |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 26.7932253 | decimal | ||
| DEC | 3.1329325 | decimal | ||
| Host Star Metallicity | 0.09 | 0.04 | Turner et al. 2019 | |
| Host Star log(g) | 4.49 | 0.04 | Log10(cgs) | Turner et al. 2019 |
| Host Star Radius [R_Sun] | 0.96 | 0.04 | Sol | Turner et al. 2019 |
| Host Star Effective Temperature [K] | 5839.0 | 70.0 | K | Turner et al. 2019 |
| a/Rs | 12.09 | 0.54 | Turner et al. 2019 | |
| eccentricity | 0.0 | Ivshina & Winn 2022 | ||
| inclination [degrees] | 88.38 | 0.76 | deg | Turner et al. 2019 |
| omega [degrees] | 0.0 | deg | Ivshina & Winn 2022 | |
| orbital period [days] | 4.5195085 | 1.3e-06 | day | Ivshina & Winn 2022 |
| Rp | 13.27 | 0.8 | R_Earth | Turner et al. 2019 |
| Rp/Rs | 0.1261 | 0 | Turner et al. 2019 | |
| ephemeris [JD] | 2459451.5215 | 0.00035 | BJD-TDB | Ivshina & Winn 2022 |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2459451.5215 | 0.00035 | BJD-TDB | Ivshina & Winn 2022 |
| 2457747.66681 | 0.00035 | JD | Turner et al. 2019 |
| 2459478.63846 | 0.000789 | BJD | ExoFOP-TESS TOI |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.992 | 0.016 |
| Am2 | 0.0047 | 0.0054 |
| a/Rs | 11.16 | 1.18 |
| Rp/Rs | 0.143 | 0.013 |
| ephemeris [JD] | 2459175.8359 | 0.0066 |
| eccentricity | 0.0 | |
| inclination [degrees] | 88.38 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.5195085 | |
| u0 | 1.7731036300147236 | |
| u1 | -3.0953297176883394 | |
| u2 | 3.7350183577463256 | |
| u3 | -1.4127922144165996 | |
| duration | 0.141 | 0.014 |
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 | PAIB (collaborate/publish) | MOBS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.979 | 0.019 |
| Am2 | 0.0139 | 0.0096 |
| a/Rs | 14.74 | 1.51 |
| Rp/Rs | 0.12 | 0.035 |
| ephemeris [JD] | 2459523.813 | 0.012 |
| eccentricity | 0.0 | |
| inclination [degrees] | 88.38 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.5195085 | |
| u0 | 1.773347085764282 | |
| u1 | -3.0964261878426793 | |
| u2 | 3.736514145990725 | |
| u3 | -1.413434988233928 | |
| duration | 0.099 | 0.012 |
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 | PAIB (collaborate/publish) | MOBS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.9389 | 0.0052 |
| Am2 | 0.047 | 0.017 |
| a/Rs | 14.75 | 0.74 |
| Rp/Rs | 0.122 | 0.011 |
| ephemeris [JD] | 2459871.8418 | 0.003 |
| eccentricity | 0.0 | |
| inclination [degrees] | 88.38 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.5195085 | |
| u0 | 2.6920015573878686 | |
| u1 | -4.8682247516210495 | |
| u2 | 4.896815177669493 | |
| u3 | -1.7205919104680794 | |
| duration | 0.1017 | 0.0061 |
Included in ephemeris calculations
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 | LPAC (collaborate/publish) |
