results
WASP-67 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) | 4.614414518864152 | 1.0405045205527266e-06 |
| Ephemeris (BJD_TDB) | 2458703.7690261933 | 0.0005112648482429683 |
| Time saved (hours) | 0.0016 |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 295.7438485 | decimal | ||
| DEC | -19.9497314 | decimal | ||
| Host Star Metallicity | -0.07 | 0.09 | Bonomo et al. 2017 | |
| Host Star log(g) | 4.35 | 0.15 | Log10(cgs) | Stassun et al. 2017 |
| Host Star Radius [R_Sun] | 0.87 | 0.04 | Sol | Kokori et al. 2022 |
| Host Star Effective Temperature [K] | 5240.0 | 10.0 | K | Kokori et al. 2022 |
| a/Rs | 12.83 | 0.63 | Stassun et al. 2017 | |
| eccentricity | 0.015 | Bonomo et al. 2017 | ||
| inclination [degrees] | 85.8 | 0.35 | deg | Bonomo et al. 2017 |
| omega [degrees] | 0.0 | deg | Ivshina & Winn 2022 | |
| orbital period [days] | 4.6144086 | 4.1e-06 | day | Ivshina & Winn 2022 |
| Rp | 15.69 | 3.36 | R_Earth | Bonomo et al. 2017 |
| Rp/Rs | 0.1342 | 0 | Stassun et al. 2017 | |
| ephemeris [JD] | 2456082.78126 | 0.00018 | BJD-TDB | Ivshina & Winn 2022 |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2455824.374581 | 0.00021 | BJD-TDB, HJD-UTC | Bonomo et al. 2017, Hellier et al. 2012 |
| 2456082.78126 | 0.00018 | BJD-TDB | Ivshina & Winn 2022 |
| 2456618.0537 | 8e-05 | BJD-TDB | Kokori et al. 2022 |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.991 | 0.03 |
| Am2 | 0.012 | 0.051 |
| a/Rs | 13.07 | 1.39 |
| Rp/Rs | 0.264 | 0.074 |
| ephemeris [JD] | 2457194.8746 | 0.0097 |
| eccentricity | 0.015 | |
| inclination [degrees] | 85.8 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.6144086 | |
| u0 | 1.5525662136276628 | |
| u1 | -2.767835823638123 | |
| u2 | 3.535240307734869 | |
| u3 | -1.3199706450452235 | |
| 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 | CMAP (collaborate/publish) | MOBS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0003 | 0.0079 |
| Am2 | 0.0003 | 0.0094 |
| a/Rs | 12.3 | 0.41 |
| Rp/Rs | 0.148 | 0.018 |
| ephemeris [JD] | 2458703.7675 | 0.0015 |
| eccentricity | 0.015 | |
| inclination [degrees] | 85.8 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.6144086 | |
| u0 | 2.1803754928493704 | |
| u1 | -3.8356116195540677 | |
| u2 | 4.121394249465121 | |
| u3 | -1.466158061346864 | |
| duration | 0.0821 | 0.0053 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| CBB | Clear with blue-blocking | 500.0 nm | 1000.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | LPAC (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.017 | 0.088 |
| Am2 | 0.011 | 0.077 |
| a/Rs | 11.33 | 1.81 |
| Rp/Rs | 0.264 | 0.078 |
| ephemeris [JD] | 2459446.664 | 0.011 |
| eccentricity | 0.015 | |
| inclination [degrees] | 85.8 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.6144086 | |
| u0 | 1.5533875367662002 | |
| u1 | -2.771125864056395 | |
| u2 | 3.539684505310546 | |
| u3 | -1.321946125274942 | |
| 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 | CJOK (collaborate/publish) | MOBS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.931 | 0.012 |
| Am2 | 0.032 | 0.015 |
| a/Rs | 13.26 | 1.5 |
| Rp/Rs | 0.183 | 0.053 |
| ephemeris [JD] | 2460138.8522 | 0.0074 |
| eccentricity | 0.015 | |
| inclination [degrees] | 85.8 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.6144086 | |
| u0 | 2.0754212204986353 | |
| u1 | -3.56982132507143 | |
| u2 | 3.880593070058106 | |
| u3 | -1.3861929076599684 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| RJ | Johnson R | 590.0 nm | 810.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | MBEB (collaborate/publish) |
