results
Qatar-5 b
Total Reductions to Date: 7
Date Processed: 12/03/2024 at 07:00:24 (PST)
Exoplanet Watch Ephemeris
| Parameter | Value | Uncertainty |
|---|---|---|
| Orbital Period (Days) | 2.87929628208635 | 4.2434303025577317e-07 |
| Ephemeris (BJD_TDB) | 2460587.483893628 | 0.00046476537598294813 |
| Time saved (hours) | 0.0001 |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 7.0539375 | decimal | ||
| DEC | 42.0613451 | decimal | ||
| Host Star Metallicity | 0.377 | 0.08 | Kokori et al. 2023 | |
| Host Star log(g) | 4.43 | 0.04 | Log10(cgs) | Kokori et al. 2023 |
| Host Star Radius [R_Sun] | 1.08 | 0.05 | Sol | Kokori et al. 2023 |
| Host Star Effective Temperature [K] | 5747.0 | 49.0 | K | Kokori et al. 2023 |
| a/Rs | 8.3 | 0.3 | Kokori et al. 2023 | |
| eccentricity | 0.0 | Alsubai et al. 2017 | ||
| inclination [degrees] | 88.7 | 0.9 | deg | Kokori et al. 2023 |
| omega [degrees] | 0.0 | deg | Kokori et al. 2023 | |
| orbital period [days] | 2.87929997 | 7e-07 | day | Kokori et al. 2023 |
| Rp | 12.09 | 0.72 | R_Earth | ExoFOP-TESS TOI |
| Rp/Rs | 0.1069 | 0 | ExoFOP-TESS TOI | |
| ephemeris [JD] | 2457593.01599 | 0.00014 | BJD-TDB | Kokori et al. 2023 |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2457593.01599 | 0.00014 | BJD-TDB | Kokori et al. 2023 |
| 2458030.67126 | 0.00072 | BJD-TDB | Ivshina & Winn 2022 |
| 2457489.3612 | 0.00017 | BJD-TDB | Kokori et al. 2022 |
| 2457362.67203 | 9e-05 | BJD-TDB | Mallonn et al. 2019 |
| 2459856.144266 | 0.000707 | BJD | ExoFOP-TESS TOI |
| 2457336.758242 | 9.8e-05 | BJD-TDB | Alsubai et al. 2017 |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.9171 | 0.0037 |
| Am2 | 0.082 | 0.022 |
| a/Rs | 8.67 | 0.19 |
| Rp/Rs | 0.105 | 0.0055 |
| ephemeris [JD] | 2459893.5736 | 0.0011 |
| eccentricity | 0.0 | |
| inclination [degrees] | 88.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.87929997 | |
| u0 | 2.3685736626194407 | |
| u1 | -4.232231227023416 | |
| u2 | 4.438981918036224 | |
| u3 | -1.5753242874862634 | |
| duration | 0.1154 | 0.0028 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| CBB | Astrodon ExoPlanet-BB | 500.0 nm | 1000.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | FJUB (collaborate/publish) | SERC |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.9859 | 0.0059 |
| Am2 | 0.0123 | 0.0031 |
| a/Rs | 7.15 | 0.31 |
| Rp/Rs | 0.0918 | 0.0064 |
| ephemeris [JD] | 2460244.8393 | 0.0029 |
| eccentricity | 0.0 | |
| inclination [degrees] | 88.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.87929997 | |
| u0 | 1.842133566559764 | |
| u1 | -3.243169417033354 | |
| u2 | 3.79970333736265 | |
| u3 | -1.3986674302690676 | |
| duration | 0.1392 | 0.0061 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| CBB | Clear with blue-blocking | 450.0 nm | 700.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | MBEB (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0378 | 0.0072 |
| Am2 | -0.0335 | 0.0062 |
| a/Rs | 8.77 | 0.21 |
| Rp/Rs | 0.1071 | 0.0033 |
| ephemeris [JD] | 2460247.7295 | 0.0011 |
| eccentricity | 0.0 | |
| inclination [degrees] | 88.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.87929997 | |
| u0 | 1.950160052763739 | |
| u1 | -3.500399946489733 | |
| u2 | 4.01630238578966 | |
| u3 | -1.4660624322160976 | |
| duration | 0.114 | 0.0028 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| NA | Custom | 400.0 nm | 800.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | BIRC (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.999 | 0.014 |
| Am2 | 0.0019 | 0.003 |
| a/Rs | 6.86 | 0.79 |
| Rp/Rs | 0.116 | 0.012 |
| ephemeris [JD] | 2460296.6845 | 0.0079 |
| eccentricity | 0.0 | |
| inclination [degrees] | 88.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.87929997 | |
| u0 | 2.0004198492778635 | |
| u1 | -3.618032096355868 | |
| u2 | 4.110740292041157 | |
| u3 | -1.4931279837083489 | |
| duration | 0.147 | 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 | PMIF (collaborate/publish) | UNIS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.9885 | 0.0085 |
| Am2 | 0.01 | 0.0038 |
| a/Rs | 8.41 | 0.57 |
| Rp/Rs | 0.086 | 0.0066 |
| ephemeris [JD] | 2460558.6842 | 0.0035 |
| eccentricity | 0.0 | |
| inclination [degrees] | 88.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.87929997 | |
| u0 | 1.7360048453685657 | |
| u1 | -3.052089106522023 | |
| u2 | 3.679257247383989 | |
| u3 | -1.3631729314053267 | |
| duration | 0.117 | 0.0084 |
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 | MZK (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.9878 | 0.0059 |
| Am2 | 0.011 | 0.012 |
| a/Rs | 8.66 | 0.16 |
| Rp/Rs | 0.1076 | 0.0043 |
| ephemeris [JD] | 2460578.84385 | 0.00084 |
| eccentricity | 0.0 | |
| inclination [degrees] | 88.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.87929997 | |
| u0 | 1.950758294932343 | |
| u1 | -3.5030537294164468 | |
| u2 | 4.019910714664514 | |
| u3 | -1.4676152202790718 | |
| duration | 0.1157 | 0.0024 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| NA | Custom | 400.0 nm | 800.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | BIRC (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0237 | 0.0043 |
| Am2 | -0.022 | 0.023 |
| a/Rs | 8.23 | 0.27 |
| Rp/Rs | 0.0988 | 0.0062 |
| ephemeris [JD] | 2460587.4774 | 0.0017 |
| eccentricity | 0.0 | |
| inclination [degrees] | 88.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.87929997 | |
| u0 | 2.0252719872247615 | |
| u1 | -3.4967793965994463 | |
| u2 | 3.873235293831048 | |
| u3 | -1.4017278267406597 | |
| duration | 0.121 | 0.0042 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| SR | Sloan r | 553.1 nm | 693.1 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | CJOB (collaborate/publish) |
