results
HATS-2 b
Total Reductions to Date: 4
Date Processed: 09/18/2024 at 05:46:24 (PDT)
Exoplanet Watch Ephemeris
| Parameter | Value | Uncertainty |
|---|---|---|
| Orbital Period (Days) | 1.3541339112779636 | 5.797158009136785e-08 |
| Ephemeris (BJD_TDB) | 2460034.591677834 | 0.00012246311739944437 |
| Time saved (hours) | - |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 176.7388264 | decimal | ||
| DEC | -22.5630097 | decimal | ||
| Host Star Metallicity | 0.15 | 0.05 | Kokori et al. 2023 | |
| Host Star log(g) | 4.51 | 0.01 | Log10(cgs) | Biagiotti et al. 2024 |
| Host Star Radius [R_Sun] | 0.88 | 0.02 | Sol | Biagiotti et al. 2024 |
| Host Star Effective Temperature [K] | 5227.0 | 95.0 | K | Kokori et al. 2023 |
| a/Rs | 5.5 | 0.09 | Kokori et al. 2023 | |
| eccentricity | 0.29 | Bonomo et al. 2017 | ||
| inclination [degrees] | 87.83 | 0.18 | deg | Biagiotti et al. 2024 |
| omega [degrees] | 0.0 | deg | Mohler-Fischer et al. 2013 | |
| orbital period [days] | 1.35413379 | 8e-08 | day | Biagiotti et al. 2024 |
| Rp | 12.58 | 0.27 | R_Earth | Biagiotti et al. 2024 |
| Rp/Rs | 0.1427 | 0 | ExoFOP-TESS TOI | |
| ephemeris [JD] | 2458591.084931 | 9.6e-05 | BJD-TDB | Biagiotti et al. 2024 |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2455954.586145 | 9e-05 | BJD-TDB, BJD-UTC | Bonomo et al. 2017, Mohler-Fischer et al. 2013 |
| 2457108.30842 | 0.0001 | BJD-TDB | Kokori et al. 2023 |
| 2458572.12696 | 0.00017 | BJD-TDB | Ivshina & Winn 2022 |
| 2458582.96001 | 0.00026 | BJD | Patel & Espinoza 2022 |
| 2458591.084931 | 9.6e-05 | BJD-TDB | Biagiotti et al. 2024 |
| 2459303.359237 | 0.000338 | BJD | ExoFOP-TESS TOI |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.108 | 0.063 |
| Am2 | -0.056 | 0.036 |
| a/Rs | 5.05 | 0.26 |
| Rp/Rs | 0.124 | 0.046 |
| ephemeris [JD] | 2459232.964 | 0.012 |
| eccentricity | 0.29 | |
| inclination [degrees] | 87.83 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 1.35413379 | |
| u0 | 1.5617772676647654 | |
| u1 | -2.672444150886456 | |
| u2 | 3.305617222820034 | |
| u3 | -1.1949502903408078 | |
| duration | 0.0916 | 0.0064 |
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 | MJAT (collaborate/publish) | MOBS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.23 | 0.15 |
| Am2 | -0.112 | 0.061 |
| a/Rs | 5.59 | 0.26 |
| Rp/Rs | 0.153 | 0.056 |
| ephemeris [JD] | 2459656.767 | 0.013 |
| eccentricity | 0.29 | |
| inclination [degrees] | 87.83 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 1.35413379 | |
| u0 | 1.5611079768584861 | |
| u1 | -2.6714114447258304 | |
| u2 | 3.304718618629394 | |
| u3 | -1.1944151015179054 | |
| duration | 0.0841 | 0.0059 |
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 | HREB (collaborate/publish) | MOBS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.9678 | 0.0056 |
| Am2 | 0.0279 | 0.0057 |
| a/Rs | 5.053 | 0.074 |
| Rp/Rs | 0.1285 | 0.0051 |
| ephemeris [JD] | 2460034.5923 | 0.0014 |
| eccentricity | 0.29 | |
| inclination [degrees] | 87.83 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 1.35413379 | |
| u0 | 1.8264905858495122 | |
| u1 | -3.044919200363263 | |
| u2 | 3.4511166884023394 | |
| u3 | -1.2326880224629426 | |
| duration | 0.092 | 0.0015 |
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 | VJCA (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.024 | 0.066 |
| Am2 | -0.002 | 0.014 |
| a/Rs | 5.15 | 0.26 |
| Rp/Rs | 0.187 | 0.063 |
| ephemeris [JD] | 2460314.9 | 0.01 |
| eccentricity | 0.29 | |
| inclination [degrees] | 87.83 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 1.35413379 | |
| u0 | 1.5626891719915226 | |
| u1 | -2.674380142538896 | |
| u2 | 3.307560123682577 | |
| u3 | -1.1958691038487168 | |
| duration | 0.0924 | 0.0078 |
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 | SMAMA (collaborate/publish) | MOBS |
