results
HAT-P-17 b
Total Reductions to Date: 5
Date Processed: 09/18/2023 at 00:07:19 (PDT)
Exoplanet Watch Ephemeris
| Parameter | Value | Uncertainty |
|---|---|---|
| Orbital Period (Days) | 10.338535667819457 | 4.1092593097811653e-07 |
| Ephemeris (BJD_TDB) | 2459836.036965993 | 0.0001255463304716133 |
| Time saved (hours) | - |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 324.5359781 | decimal | ||
| DEC | 30.4881882 | decimal | ||
| Host Star Metallicity | 0.0 | 0.08 | Kokori et al. 2022 | |
| Host Star log(g) | 4.52 | 0.02 | Log10(cgs) | Kokori et al. 2022 |
| Host Star Radius [R_Sun] | 0.84 | 0.02 | Sol | Kokori et al. 2022 |
| Host Star Effective Temperature [K] | 5246.0 | 80.0 | K | Kokori et al. 2022 |
| a/Rs | 22.72 | 0.68 | Stassun et al. 2017 | |
| eccentricity | 0.3417 | 0.0036 | Bonomo et al. 2017 | |
| inclination [degrees] | 89.2 | 0.2 | deg | Bonomo et al. 2017 |
| omega [degrees] | 200.5 | 1.3 | deg | Bonomo et al. 2017 |
| orbital period [days] | 10.3385358 | 1e-06 | day | Ivshina & Winn 2022 |
| Rp | 11.39 | 0.54 | R_Earth | ExoFOP-TESS TOI |
| Rp/Rs | 0.1342 | 0 | ExoFOP-TESS TOI | |
| ephemeris [JD] | 2458719.47527 | 0.00025 | BJD-TDB | Ivshina & Winn 2022 |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2454801.1698049996 | 0.0002 | BJD-TDB, BJD-UTC | Bonomo et al. 2017, Howard et al. 2012 |
| 2456569.05972 | 5e-05 | BJD-TDB | Kokori et al. 2022 |
| 2458719.47527 | 0.00025 | BJD-TDB | Ivshina & Winn 2022 |
| 2459836.036852 | 0.000143 | BJD | ExoFOP-TESS TOI |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.135 | 0.013 |
| Am2 | -0.105 | 0.013 |
| a/Rs | 24.32 | 1.11 |
| Rp/Rs | 0.155 | 0.01 |
| ephemeris [JD] | 2459825.6954 | 0.0034 |
| eccentricity | 0.3417 | |
| inclination [degrees] | 89.2 | |
| omega [degrees] | 200.5 | |
| orbital period [days] | 10.3385358 | |
| u0 | 1.578586168803235 | |
| u1 | -2.7216216710855328 | |
| u2 | 3.392403416701607 | |
| u3 | -1.2493678638685588 | |
| duration | 0.1591 | 0.0079 |
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 | SGEO (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0461 | 0.0094 |
| Am2 | -0.0305 | 0.0067 |
| a/Rs | 20.9 | 0.58 |
| Rp/Rs | 0.1815 | 0.007 |
| ephemeris [JD] | 2460135.8554 | 0.0023 |
| eccentricity | 0.3417 | |
| inclination [degrees] | 89.2 | |
| omega [degrees] | 200.5 | |
| orbital period [days] | 10.3385358 | |
| u0 | 2.1287326491285095 | |
| u1 | -3.6499526914843177 | |
| u2 | 3.9047880807810658 | |
| u3 | -1.383567980239381 | |
| duration | 0.1925 | 0.0058 |
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 | 1.00024 | 0.00094 |
| Am2 | 0 | |
| a/Rs | 22.42 | 0.29 |
| Rp/Rs | 0.1208 | 0.0016 |
| ephemeris [JD] | 2458729.81362 | 0.00097 |
| eccentricity | 0.3417 | |
| inclination [degrees] | 89.2 | |
| omega [degrees] | 200.5 | |
| orbital period [days] | 10.3385358 | |
| u0 | 2.461832570072813 | |
| u1 | -4.320508229778104 | |
| u2 | 4.381899431737136 | |
| u3 | -1.523223706736454 | |
| duration | 0.1685 | 0.0025 |
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 |
|---|---|---|
| EPW | TESS (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.99995 | 0.00086 |
| Am2 | 0 | |
| a/Rs | 22.45 | 0.27 |
| Rp/Rs | 0.1189 | 0.0015 |
| ephemeris [JD] | 2459815.35956 | 0.00095 |
| eccentricity | 0.3417 | |
| inclination [degrees] | 89.2 | |
| omega [degrees] | 200.5 | |
| orbital period [days] | 10.3385358 | |
| u0 | 2.462509683217777 | |
| u1 | -4.321646844304389 | |
| u2 | 4.382546072554576 | |
| u3 | -1.5234088461629383 | |
| duration | 0.1683 | 0.0022 |
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 |
|---|---|---|
| EPW | TESS (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0 | 0.001 |
| Am2 | 0 | |
| a/Rs | 22.35 | 0.3 |
| Rp/Rs | 0.1201 | 0.0016 |
| ephemeris [JD] | 2458719.4761 | 0.001 |
| eccentricity | 0.3417 | |
| inclination [degrees] | 89.2 | |
| omega [degrees] | 200.5 | |
| orbital period [days] | 10.3385358 | |
| u0 | 2.462362070059863 | |
| u1 | -4.322105437433277 | |
| u2 | 4.383687037469949 | |
| u3 | -1.5239436047745074 | |
| duration | 0.1689 | 0.0024 |
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 |
|---|---|---|
| EPW | TESS (collaborate/publish) |
