results
HAT-P-52 b
Total Reductions to Date: 5
Date Processed: 09/24/2023 at 00:07:22 (PDT)
Exoplanet Watch Ephemeris
| Parameter | Value | Uncertainty |
|---|---|---|
| Orbital Period (Days) | - | - |
| Ephemeris (BJD_TDB) | - | - |
| Time saved (hours) | - |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 42.7217412 | decimal | ||
| DEC | 29.0222492 | decimal | ||
| Host Star Metallicity | 0.28 | 0.08 | Kokori et al. 2022 | |
| Host Star log(g) | 4.48 | 0.05 | Log10(cgs) | Kokori et al. 2022 |
| Host Star Radius [R_Sun] | 0.89 | 0.05 | Sol | Kokori et al. 2022 |
| Host Star Effective Temperature [K] | 5131.0 | 50.0 | K | Kokori et al. 2022 |
| a/Rs | 8.89 | 0.49 | Hartman et al. 2015 | |
| eccentricity | 0.03 | Bonomo et al. 2017 | ||
| inclination [degrees] | 87.02 | 0.86 | deg | Bonomo et al. 2017 |
| omega [degrees] | 0.0 | deg | Ivshina & Winn 2022 | |
| orbital period [days] | 2.75359762 | 4.7e-07 | day | Ivshina & Winn 2022 |
| Rp | 10.72 | 0.81 | R_Earth | ExoFOP-TESS TOI |
| Rp/Rs | 0.1202 | 0 | ExoFOP-TESS TOI | |
| ephemeris [JD] | 2457727.30376 | 0.00026 | BJD-TDB | Ivshina & Winn 2022 |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2455852.103643 | 0.00041 | BJD-TDB, BJD-UTC | Bonomo et al. 2017, Hartman et al. 2015 |
| 2456581.8074 | 0.0004 | BJD-TDB | Kokori et al. 2022 |
| 2456645.13981 | 0.00032 | BJD-TDB | Mallonn et al. 2019 |
| 2457727.30376 | 0.00026 | BJD-TDB | Ivshina & Winn 2022 |
| 2459883.369678 | 0.001215 | BJD | ExoFOP-TESS TOI |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0596 | 0.0086 |
| Am2 | -0.023 | 0.015 |
| a/Rs | 6.52 | 1.47 |
| Rp/Rs | 0.165 | 0.028 |
| ephemeris [JD] | 2459269.2996 | 0.009 |
| eccentricity | 0.03 | |
| inclination [degrees] | 87.02 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.75359762 | |
| u0 | 2.1594332958482347 | |
| u1 | -3.726088769604374 | |
| u2 | 3.931726742974975 | |
| u3 | -1.3650712106315424 | |
| duration | 0.122 | 0.016 |
Not 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 | BANP (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.862 | 0.022 |
| Am2 | 0.124 | 0.049 |
| a/Rs | 11.27 | 1.41 |
| Rp/Rs | 0.107 | 0.052 |
| ephemeris [JD] | 2459599.771 | 0.012 |
| eccentricity | 0.03 | |
| inclination [degrees] | 87.02 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.75359762 | |
| u0 | 2.159729863820581 | |
| u1 | -3.7273608587138245 | |
| u2 | 3.933423842447891 | |
| u3 | -1.3657927889420645 | |
| duration | 0 | 0 |
Not 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 | LPAC (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.25 | 0.059 |
| Am2 | -0.206 | 0.046 |
| a/Rs | 6.44 | 0.11 |
| Rp/Rs | 0.24 | 0.011 |
| ephemeris [JD] | 2459855.85553 | 0.0004 |
| eccentricity | 0.03 | |
| inclination [degrees] | 87.02 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.75359762 | |
| u0 | 1.8101090588488766 | |
| u1 | -3.112449968688321 | |
| u2 | 3.5338953849718675 | |
| u3 | -1.2315544224732782 | |
| duration | 0.1634 | 0.0035 |
Not included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| CV | MObs CV | 350.0 nm | 850.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | NANF (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.965 | 0.011 |
| Am2 | 0.035 | 0.011 |
| a/Rs | 8.77 | 1.14 |
| Rp/Rs | 0.119 | 0.025 |
| ephemeris [JD] | 2459855.8342 | 0.0082 |
| eccentricity | 0.03 | |
| inclination [degrees] | 87.02 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.75359762 | |
| u0 | 2.3773532354065807 | |
| u1 | -4.110570407877074 | |
| u2 | 4.1664446750982975 | |
| u3 | -1.4332274405429395 | |
| duration | 0.102 | 0.016 |
Not 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) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.007 | 0.01 |
| Am2 | -0.004 | 0.0078 |
| a/Rs | 8.26 | 1.4 |
| Rp/Rs | 0.116 | 0.04 |
| ephemeris [JD] | 2459880.618 | 0.01 |
| eccentricity | 0.03 | |
| inclination [degrees] | 87.02 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.75359762 | |
| u0 | 2.3785486461505037 | |
| u1 | -4.114184516752504 | |
| u2 | 4.1704338287485845 | |
| u3 | -1.4347978960022778 | |
| duration | 0.097 | 0.017 |
Not 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 | DLMA (collaborate/publish) | RWEA |
