results
WASP-13 b
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Total Reductions to Date: 8
Date Processed: 02/18/2025 at 07:00:04 (PST)
Exoplanet Watch Ephemeris
Parameter | Value | Uncertainty |
---|---|---|
Orbital Period (Days) | 4.353011289259536 | 3.7430631836562755e-07 |
Ephemeris (BJD_TDB) | 2459606.4032970276 | 0.00022025367965754317 |
Assumed Priors
Parameter | Value | Uncertainty | Units | Reference |
---|---|---|---|---|
RA | 140.1029654 | decimal | ||
DEC | 33.8823291 | decimal | ||
Host Star Metallicity | 0.0 | 0.2 | Patel & Espinoza 2022 | |
Host Star log(g) | 4.06 | 0.1 | Log10(cgs) | Patel & Espinoza 2022 |
Host Star Radius [R_Sun] | 1.37 | 0.15 | Sol | Patel & Espinoza 2022 |
Host Star Effective Temperature [K] | 5826.0 | 100.0 | K | Kokori et al. 2023 |
a/Rs | 8.51 | 0.21 | Kokori et al. 2023 | |
eccentricity | 0.016 | Bonomo et al. 2017 | ||
inclination [degrees] | 86.9 | 1.6 | deg | Kokori et al. 2023 |
omega [degrees] | 0.0 | deg | Kokori et al. 2023 | |
orbital period [days] | 4.35301101 | 6.6e-07 | day | Kokori et al. 2023 |
Rp | 16.25 | 0.94 | R_Earth | ExoFOP-TESS TOI |
Rp/Rs | 0.1013 | 0 | ExoFOP-TESS TOI | |
ephemeris [JD] | 2457077.3036 | 0.00028 | BJD-TDB | Kokori et al. 2023 |
Previously Published Mid-Transit Times
Value | Uncertainty | Units | Reference |
---|---|---|---|
2455305.62823 | 0.00025 | BJD-UTC | Brothwell et al. 2014 |
2455575.5142933335 | 0.0012333333333333335 | BJD-TDB, HJD | Ivshina & Winn 2022, Bonomo et al. 2017, Barros et al. 2012 |
2457077.3036 | 0.00028 | BJD-TDB | Kokori et al. 2023 |
2458883.80332 | 0.00022 | BJD | Patel & Espinoza 2022 |
2458892.510627 | 0.000568 | BJD | ExoFOP-TESS TOI |
Observations
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0006 | 0.0028 |
Am2 | 0.0001 | 0.0013 |
a/Rs | 8.07 | 0.15 |
Rp/Rs | 0.108 | 0.0028 |
ephemeris [JD] | 2459606.4048 | 0.0017 |
eccentricity | 0.016 | |
inclination [degrees] | 86.9 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.35301101 | |
u0 | 2.15523975630715 | |
u1 | -3.8333519020119757 | |
u2 | 4.202762489091283 | |
u3 | -1.524650280760416 | |
duration | 0.1759 | 0.0039 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
R | Cousins R | 561.7 nm | 719.7 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | PJEF (collaborate/publish) |
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0002 | 0.0012 |
Am2 | 0 | |
a/Rs | 8.397 | 0.088 |
Rp/Rs | 0.0922 | 0.0012 |
ephemeris [JD] | 2458875.09721 | 0.00089 |
eccentricity | 0.016 | |
inclination [degrees] | 86.9 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.35301101 | |
u0 | 2.6788263377601877 | |
u1 | -4.83588739960044 | |
u2 | 4.847033889692025 | |
u3 | -1.6899727556253392 | |
duration | 0.1649 | 0.0021 |
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) |
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9992 | 0.0017 |
Am2 | 0 | |
a/Rs | 8.22 | 0.12 |
Rp/Rs | 0.0945 | 0.0013 |
ephemeris [JD] | 2458896.8628 | 0.0012 |
eccentricity | 0.016 | |
inclination [degrees] | 86.9 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.35301101 | |
u0 | 2.677949329499075 | |
u1 | -4.832745083194555 | |
u2 | 4.843278174619363 | |
u3 | -1.6884823487534142 | |
duration | 0.1694 | 0.0029 |
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) |
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9995 | 0.0016 |
Am2 | 0 | |
a/Rs | 8.4 | 0.1 |
Rp/Rs | 0.0905 | 0.0013 |
ephemeris [JD] | 2458888.1547 | 0.001 |
eccentricity | 0.016 | |
inclination [degrees] | 86.9 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.35301101 | |
u0 | 2.678856488410045 | |
u1 | -4.835508712779088 | |
u2 | 4.846159697609753 | |
u3 | -1.6895074010273032 | |
duration | 0.1638 | 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) |
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0002 | 0.0015 |
Am2 | 0 | |
a/Rs | 8.16 | 0.11 |
Rp/Rs | 0.0902 | 0.0013 |
ephemeris [JD] | 2458892.5103 | 0.0011 |
eccentricity | 0.016 | |
inclination [degrees] | 86.9 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.35301101 | |
u0 | 2.6789877614554056 | |
u1 | -4.8356716791122105 | |
u2 | 4.846259448656301 | |
u3 | -1.6895754587846037 | |
duration | 0.1698 | 0.0028 |
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) |
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0006 | 0.0013 |
Am2 | 0 | |
a/Rs | 8.38 | 0.11 |
Rp/Rs | 0.0923 | 0.0015 |
ephemeris [JD] | 2458883.8039 | 0.0011 |
eccentricity | 0.016 | |
inclination [degrees] | 86.9 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.35301101 | |
u0 | 2.678909256162506 | |
u1 | -4.835035290471724 | |
u2 | 4.845236252237646 | |
u3 | -1.689110145728781 | |
duration | 0.1651 | 0.0027 |
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) |
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9997 | 0.0012 |
Am2 | 0 | |
a/Rs | 8.64 | 0.13 |
Rp/Rs | 0.0895 | 0.0014 |
ephemeris [JD] | 2458870.7437 | 0.0013 |
eccentricity | 0.016 | |
inclination [degrees] | 86.9 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.35301101 | |
u0 | 2.6791095941126897 | |
u1 | -4.83666036940463 | |
u2 | 4.847909519682653 | |
u3 | -1.6903586721512318 | |
duration | 0.1583 | 0.0029 |
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) |
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0001 | 0.0012 |
Am2 | 0 | |
a/Rs | 8.51 | 0.089 |
Rp/Rs | 0.0914 | 0.0012 |
ephemeris [JD] | 2458879.45021 | 0.00092 |
eccentricity | 0.016 | |
inclination [degrees] | 86.9 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.35301101 | |
u0 | 2.678699718280958 | |
u1 | -4.835643504948393 | |
u2 | 4.846889957043363 | |
u3 | -1.6899460981516405 | |
duration | 0.1619 | 0.0021 |
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) |