results
GPX-1 b
Total Reductions to Date: 4
Date Processed: 12/03/2023 at 00:07:36 (PST)
Exoplanet Watch Ephemeris
| Parameter | Value | Uncertainty |
|---|---|---|
| Orbital Period (Days) | 1.7445754198723726 | 1.652469642672238e-06 |
| Ephemeris (BJD_TDB) | 2459883.2773526893 | 0.0009783041679663521 |
| Time saved (hours) | 0.0037 |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 38.3691648 | decimal | ||
| DEC | 56.025708 | decimal | ||
| Host Star Metallicity | 0.35 | 0.1 | Benni et al. 2021 | |
| Host Star log(g) | 4.27 | 0.05 | Log10(cgs) | Benni et al. 2021 |
| Host Star Radius [R_Sun] | 1.56 | 0.1 | Sol | Benni et al. 2021 |
| Host Star Effective Temperature [K] | 7000.0 | 200.0 | K | Benni et al. 2021 |
| a/Rs | 4.67 | 0.55 | Benni et al. 2021 | |
| eccentricity | 0.0 | Benni et al. 2021 | ||
| inclination [degrees] | 79.9 | 0.7 | deg | Benni et al. 2021 |
| omega [degrees] | 0.0 | deg | Benni et al. 2021 | |
| orbital period [days] | 1.744579 | 8e-06 | day | Benni et al. 2021 |
| Rp | 16.48 | 1.12 | R_Earth | Benni et al. 2021 |
| Rp/Rs | 0.0949 | 0 | Benni et al. 2021 | |
| ephemeris [JD] | 2458770.23823 | 0.0004 | BJD-TDB | Benni et al. 2021 |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2458770.23823 | 0.0004 | BJD-TDB | Benni et al. 2021 |
| 2459883.279834 | 0.001803 | BJD | ExoFOP-TESS TOI |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.9695 | 0.002 |
| Am2 | 0.0263 | 0.007 |
| a/Rs | 4.786 | 0.066 |
| Rp/Rs | 0.0906 | 0.0039 |
| ephemeris [JD] | 2459879.7871 | 0.0012 |
| eccentricity | 0.0 | |
| inclination [degrees] | 79.9 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 1.744579 | |
| u0 | 2.456264202877014 | |
| u1 | -4.255265757473567 | |
| u2 | 4.345335800344055 | |
| u3 | -1.5463341809969524 | |
| duration | 0.0824 | 0.0029 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| R | Cousins R | 561.7 nm | 719.7 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | KADB (collaborate/publish) | CWT |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.041 | 0.0062 |
| Am2 | -0.0313 | 0.0065 |
| a/Rs | 4.59 | 0.56 |
| Rp/Rs | 0.101 | 0.027 |
| ephemeris [JD] | 2460186.8425 | 0.0061 |
| eccentricity | 0.0 | |
| inclination [degrees] | 79.9 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 1.744579 | |
| u0 | 2.6711246259473724 | |
| u1 | -4.675745898563005 | |
| u2 | 4.611736254617091 | |
| u3 | -1.6071149132812317 | |
| 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) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.034 | 0.013 |
| Am2 | -0.03 | 0.023 |
| a/Rs | 5.85 | 1.25 |
| Rp/Rs | 0.188 | 0.051 |
| ephemeris [JD] | 2460233.9333 | 0.01 |
| eccentricity | 0.0 | |
| inclination [degrees] | 79.9 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 1.744579 | |
| u0 | 2.456001675855274 | |
| u1 | -4.2529817313752885 | |
| u2 | 4.341769945247167 | |
| u3 | -1.544789825029739 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| R | Cousins R | 561.7 nm | 719.7 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | LPAC (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.9383 | 0.0096 |
| Am2 | 0.072 | 0.013 |
| a/Rs | 2.78 | 0.42 |
| Rp/Rs | 0.108 | 0.021 |
| ephemeris [JD] | 2460242.682 | 0.011 |
| eccentricity | 0.0 | |
| inclination [degrees] | 79.9 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 1.744579 | |
| u0 | 2.166902926935517 | |
| u1 | -3.6731454262381726 | |
| u2 | 3.9568694533478577 | |
| u3 | -1.4506268950832526 | |
| duration | 0.1407 | 0.0095 |
Not 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 | NANF (collaborate/publish) |
