results
HAT-P-53 b
Total Reductions to Date: 7
Date Processed: 09/24/2023 at 00:07:22 (PDT)
Exoplanet Watch Ephemeris
| Parameter | Value | Uncertainty |
|---|---|---|
| Orbital Period (Days) | 1.96162461262075 | 4.928411835946114e-07 |
| Ephemeris (BJD_TDB) | 2460152.86936218 | 0.0007973862675691017 |
| Time saved (hours) | - |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 21.8711012 | decimal | ||
| DEC | 38.9681137 | decimal | ||
| Host Star Metallicity | 0.0 | 0.08 | Kokori et al. 2022 | |
| Host Star log(g) | 4.31 | 0.04 | Log10(cgs) | Kokori et al. 2022 |
| Host Star Radius [R_Sun] | 1.21 | 0.08 | Sol | Kokori et al. 2022 |
| Host Star Effective Temperature [K] | 5956.0 | 50.0 | K | Kokori et al. 2022 |
| a/Rs | 5.61 | 0.28 | Hartman et al. 2015 | |
| eccentricity | 0.085 | Bonomo et al. 2017 | ||
| inclination [degrees] | 86.2 | 1.5 | deg | Bonomo et al. 2017 |
| omega [degrees] | 0.0 | deg | Kokori et al. 2022 | |
| orbital period [days] | 1.9616248 | 4e-07 | day | Kokori et al. 2022 |
| Rp | 12.89 | 1.02 | R_Earth | ExoFOP-TESS TOI |
| Rp/Rs | 0.1172 | 0 | ExoFOP-TESS TOI | |
| ephemeris [JD] | 2457502.7149 | 0.0003 | BJD-TDB | Kokori et al. 2022 |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2455829.4481929997 | 0.00044 | BJD-TDB, BJD-UTC | Bonomo et al. 2017, Hartman et al. 2015 |
| 2457502.7149 | 0.0003 | BJD-TDB | Kokori et al. 2022 |
| 2458785.619295 | 0.001522 | BJD | ExoFOP-TESS TOI |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.9995 | 0.0057 |
| Am2 | 0.0016 | 0.0032 |
| a/Rs | 5.38 | 0.14 |
| Rp/Rs | 0.1348 | 0.0052 |
| ephemeris [JD] | 2459434.9124 | 0.0015 |
| eccentricity | 0.085 | |
| inclination [degrees] | 86.2 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 1.9616248 | |
| u0 | 2.6386368871385826 | |
| u1 | -4.722471134502241 | |
| u2 | 4.746527256173959 | |
| u3 | -1.6626929380815327 | |
| duration | 0.126 | 0.0036 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| SI | Sloan i | 697.5 nm | 827.5 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | LNWA (collaborate/publish) | BPAG |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.643 | 0.051 |
| Am2 | -0.52 | 0.057 |
| a/Rs | 7.01 | 0.24 |
| Rp/Rs | 0.2343 | 0.0052 |
| ephemeris [JD] | 2459550.65 | 0.0039 |
| eccentricity | 0.085 | |
| inclination [degrees] | 86.2 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 1.9616248 | |
| u0 | 2.4771435257174512 | |
| u1 | -4.449507021966663 | |
| u2 | 4.619136850772001 | |
| u3 | -1.6467732856922876 | |
| duration | 0.1021 | 0.0041 |
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 | 0.8764 | 0.0062 |
| Am2 | 0.127 | 0.054 |
| a/Rs | 5.21 | 0.29 |
| Rp/Rs | 0.1614 | 0.0074 |
| ephemeris [JD] | 2459846.8423 | 0.0037 |
| eccentricity | 0.085 | |
| inclination [degrees] | 86.2 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 1.9616248 | |
| u0 | 2.7443098063863123 | |
| u1 | -4.937949423870145 | |
| u2 | 4.899202367386407 | |
| u3 | -1.70556267689877 | |
| duration | 0.1169 | 0.0056 |
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 | 1.033 | 0.029 |
| Am2 | -0.032 | 0.028 |
| a/Rs | 4.22 | 0.21 |
| Rp/Rs | 0.139 | 0.017 |
| ephemeris [JD] | 2459850.7686 | 0.0046 |
| eccentricity | 0.085 | |
| inclination [degrees] | 86.2 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 1.9616248 | |
| u0 | 2.072140212050008 | |
| u1 | -3.7642504989835706 | |
| u2 | 4.275609579566062 | |
| u3 | -1.5834992289209513 | |
| duration | 0.1649 | 0.0092 |
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 | 0.989 | 0.019 |
| Am2 | 0.0104 | 0.0075 |
| a/Rs | 4.84 | 0.73 |
| Rp/Rs | 0.094 | 0.016 |
| ephemeris [JD] | 2459852.7296 | 0.0066 |
| eccentricity | 0.085 | |
| inclination [degrees] | 86.2 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 1.9616248 | |
| u0 | 2.4777302576928384 | |
| u1 | -4.452149973404109 | |
| u2 | 4.622574866153692 | |
| u3 | -1.6481550815606885 | |
| duration | 0.136 | 0.024 |
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 | NANF (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.9999 | 0.0075 |
| Am2 | 0.0 | 0.0027 |
| a/Rs | 5.88 | 0.33 |
| Rp/Rs | 0.1114 | 0.0051 |
| ephemeris [JD] | 2459897.8578 | 0.0028 |
| eccentricity | 0.085 | |
| inclination [degrees] | 86.2 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 1.9616248 | |
| u0 | 1.8282527391166699 | |
| u1 | -3.192537097764164 | |
| u2 | 3.7969599882432146 | |
| u3 | -1.4326755730166076 | |
| duration | 0.1106 | 0.0075 |
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 | CCHD (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0319 | 0.0089 |
| Am2 | -0.0173 | 0.0027 |
| a/Rs | 5.8 | 0.66 |
| Rp/Rs | 0.105 | 0.013 |
| ephemeris [JD] | 2460152.8673 | 0.0069 |
| eccentricity | 0.085 | |
| inclination [degrees] | 86.2 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 1.9616248 | |
| u0 | 2.071840257022848 | |
| u1 | -3.763661520158311 | |
| u2 | 4.274990231201178 | |
| u3 | -1.5831689043633967 | |
| duration | 0.111 | 0.016 |
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 | MBEB (collaborate/publish) |
