results
TOI-2109 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) | 0.6724747899651701 | 6.776082399888859e-07 |
| Ephemeris (BJD_TDB) | 2460048.9167279447 | 0.0006846980720053597 |
| Time saved (hours) | - |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 253.1862971 | decimal | ||
| DEC | 16.5799153 | decimal | ||
| Host Star Metallicity | 0.068 | 0.07 | Wong et al. 2021 | |
| Host Star log(g) | 4.14 | 0.04 | Log10(cgs) | Wong et al. 2021 |
| Host Star Radius [R_Sun] | 1.7 | 0.06 | Sol | Wong et al. 2021 |
| Host Star Effective Temperature [K] | 6540.0 | 160.0 | K | Wong et al. 2021 |
| a/Rs | 2.268 | 0.021 | Wong et al. 2021 | |
| eccentricity | 0.0 | Wong et al. 2021 | ||
| inclination [degrees] | 70.74 | 0.37 | deg | Wong et al. 2021 |
| omega [degrees] | 0.0 | deg | Wong et al. 2021 | |
| orbital period [days] | 0.67247414 | 3e-08 | day | Wong et al. 2021 |
| Rp | 15.1 | 0.53 | R_Earth | Wong et al. 2021 |
| Rp/Rs | 0.0816 | 0 | Wong et al. 2021 | |
| ephemeris [JD] | 2459378.45937 | 5.9e-05 | BJD-TDB | Wong et al. 2021 |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2459378.45937 | 5.9e-05 | BJD-TDB | Wong et al. 2021 |
| 2458984.38888 | 0.00042 | BJD | ExoFOP-TESS TOI |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.771 | 0.012 |
| Am2 | -0.49 | 0.041 |
| a/Rs | 2.37 | 0.061 |
| Rp/Rs | 0.155 | 0.046 |
| ephemeris [JD] | 2459742.96 | 0.012 |
| eccentricity | 0.0 | |
| inclination [degrees] | 70.74 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 0.67247414 | |
| u0 | 1.9914537887443493 | |
| u1 | -3.556719765346391 | |
| u2 | 4.109772432054166 | |
| u3 | -1.544506394211743 | |
| duration | 0.056 | 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 | LPAC (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0127 | 0.0038 |
| Am2 | -0.007 | 0.0042 |
| a/Rs | 2.358 | 0.061 |
| Rp/Rs | 0.082 | 0.012 |
| ephemeris [JD] | 2460040.8413 | 0.0045 |
| eccentricity | 0.0 | |
| inclination [degrees] | 70.74 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 0.67247414 | |
| u0 | 2.3899438767634806 | |
| u1 | -4.244950287050733 | |
| u2 | 4.446645831005295 | |
| u3 | -1.591639354457857 | |
| duration | 0.0393 | 0.0051 |
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) | PERC |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0002 | 0.0097 |
| Am2 | 0.0008 | 0.0099 |
| a/Rs | 2.368 | 0.047 |
| Rp/Rs | 0.1066 | 0.0082 |
| ephemeris [JD] | 2460048.9129 | 0.0026 |
| eccentricity | 0.0 | |
| inclination [degrees] | 70.74 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 0.67247414 | |
| u0 | 2.5971897441577356 | |
| u1 | -4.640812226034395 | |
| u2 | 4.690058370889836 | |
| u3 | -1.64643581912586 | |
| duration | 0.0767 | 0.0034 |
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) |
