results
WASP-75 b
Total Reductions to Date: 9
Date Processed: 09/06/2025 at 07:00:04 (PDT)
Exoplanet Watch Ephemeris
| Parameter | Value | Uncertainty |
|---|---|---|
| Orbital Period (Days) | 2.484197786990521 | 2.169606340201197e-07 |
| Ephemeris (BJD_TDB) | 2460229.4662753707 | 0.0002777015894038722 |
| Time saved (hours) | - |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 342.3858995 | decimal | ||
| DEC | -10.6754686 | decimal | ||
| Host Star Metallicity | 0.07 | 0.09 | Kokori et al. 2023 | |
| Host Star log(g) | 4.29 | 0.02 | Log10(cgs) | Kokori et al. 2023 |
| Host Star Radius [R_Sun] | 1.26 | 0.04 | Sol | Kokori et al. 2023 |
| Host Star Effective Temperature [K] | 6100.0 | 100.0 | K | Kokori et al. 2023 |
| a/Rs | 6.37 | 0.03 | Kokori et al. 2023 | |
| eccentricity | 0.056 | Bonomo et al. 2017 | ||
| inclination [degrees] | 82.0 | 0.3 | deg | Kokori et al. 2023 |
| omega [degrees] | 0.0 | deg | Kokori et al. 2023 | |
| orbital period [days] | 2.4841976 | 2.7e-07 | day | Kokori et al. 2023 |
| Rp | 15.54 | 0.68 | R_Earth | Kruse et al. 2019 |
| Rp/Rs | 0.0969 | 0 | Kruse et al. 2019 | |
| ephemeris [JD] | 2457131.671596 | 6.9e-05 | BJD-TDB | Kokori et al. 2023 |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2456016.2669 | 0.0003 | BJD-TDB | Bonomo et al. 2017, Gomez et al. 2013 |
| 2456977.65137 | 4.9e-05 | BJD | Kruse et al. 2019 |
| 2457009.94586 | 0.00049 | BJD-TDB | Ivshina & Winn 2022 |
| 2457131.671596 | 6.9e-05 | BJD-TDB | Kokori et al. 2023 |
| 2457340.345 | 0.0003 | BJD-TDB | Kokori et al. 2022 |
| 2460229.465961 | 0.0003703 | BJD | ExoFOP-TESS TOI |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.017 | 0.0044 |
| Am2 | -0.0101 | 0.001 |
| a/Rs | 6.515 | 0.064 |
| Rp/Rs | 0.1251 | 0.0053 |
| ephemeris [JD] | 2459451.9202 | 0.0014 |
| eccentricity | 0.056 | |
| inclination [degrees] | 82.0 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.4841976 | |
| u0 | 2.139022639436466 | |
| u1 | -3.86008048762399 | |
| u2 | 4.308872238550777 | |
| u3 | -1.5878143261560531 | |
| duration | 0.0819 | 0.0025 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| N/A | PanSTARRS w | 404.2 nm | 845.8 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | CKAA (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0736 | 0.0081 |
| Am2 | -0.045 | 0.012 |
| a/Rs | 6.508 | 0.087 |
| Rp/Rs | 0.08 | 0.03 |
| ephemeris [JD] | 2459764.908 | 0.01 |
| eccentricity | 0.056 | |
| inclination [degrees] | 82.0 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.4841976 | |
| u0 | 2.5121770569660864 | |
| u1 | -4.52588346703431 | |
| u2 | 4.67820596390991 | |
| u3 | -1.6644994841309853 | |
| duration | 0.053 | 0.01 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | 1.0217 | 0.0049 |
| Am2 | -0.0134 | 0.0065 |
| a/Rs | 6.346 | 0.081 |
| Rp/Rs | 0.1106 | 0.0092 |
| ephemeris [JD] | 2459876.7094 | 0.0017 |
| eccentricity | 0.056 | |
| inclination [degrees] | 82.0 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.4841976 | |
| u0 | 1.8673576959576301 | |
| u1 | -3.2811832747501715 | |
| u2 | 3.8721818781046005 | |
| u3 | -1.4583562416120532 | |
| duration | 0.0852 | 0.0036 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | 0.9941 | 0.0061 |
| Am2 | 0.004 | 0.025 |
| a/Rs | 6.221 | 0.087 |
| Rp/Rs | 0.086 | 0.028 |
| ephemeris [JD] | 2460154.9416 | 0.0077 |
| eccentricity | 0.056 | |
| inclination [degrees] | 82.0 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.4841976 | |
| u0 | 1.866999952254227 | |
| u1 | -3.2797092103792016 | |
| u2 | 3.8703320116153805 | |
| u3 | -1.4576226958179648 | |
| duration | 0.0837 | 0.0065 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | 1.0001 | 0.0017 |
| Am2 | 0 | |
| a/Rs | 6.389 | 0.06 |
| Rp/Rs | 0.1072 | 0.0035 |
| ephemeris [JD] | 2459464.33452 | 0.00092 |
| eccentricity | 0.056 | |
| inclination [degrees] | 82.0 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.4841976 | |
| u0 | 2.7816701673292137 | |
| u1 | -5.006366286882022 | |
| u2 | 4.937291628557575 | |
| u3 | -1.7125954354333883 | |
| duration | 0.0827 | 0.0022 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | 0.0015 |
| Am2 | 0 | |
| a/Rs | 6.502 | 0.04 |
| Rp/Rs | 0.1071 | 0.0029 |
| ephemeris [JD] | 2459449.4286 | 0.00085 |
| eccentricity | 0.056 | |
| inclination [degrees] | 82.0 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.4841976 | |
| u0 | 2.7816044767707497 | |
| u1 | -5.00529370077518 | |
| u2 | 4.93538003669357 | |
| u3 | -1.7116907391462464 | |
| duration | 0.0787 | 0.0015 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | 0.9999 | 0.0015 |
| Am2 | 0 | |
| a/Rs | 6.354 | 0.057 |
| Rp/Rs | 0.1016 | 0.003 |
| ephemeris [JD] | 2459469.29993 | 0.00089 |
| eccentricity | 0.056 | |
| inclination [degrees] | 82.0 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.4841976 | |
| u0 | 2.7816329327287646 | |
| u1 | -5.006045632014128 | |
| u2 | 4.93678766539914 | |
| u3 | -1.7123748925499074 | |
| duration | 0.0829 | 0.0022 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | 0.9998 | 0.0017 |
| Am2 | 0 | |
| a/Rs | 6.416 | 0.054 |
| Rp/Rs | 0.1027 | 0.0034 |
| ephemeris [JD] | 2459466.81735 | 0.00091 |
| eccentricity | 0.056 | |
| inclination [degrees] | 82.0 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.4841976 | |
| u0 | 2.781708401969021 | |
| u1 | -5.005706441156008 | |
| u2 | 4.93596994206548 | |
| u3 | -1.7119718293268091 | |
| duration | 0.0808 | 0.0021 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | 0.9994 | 0.0017 |
| Am2 | 0 | |
| a/Rs | 6.516 | 0.043 |
| Rp/Rs | 0.1047 | 0.003 |
| ephemeris [JD] | 2459461.84876 | 0.00093 |
| eccentricity | 0.056 | |
| inclination [degrees] | 82.0 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.4841976 | |
| u0 | 2.7829943340684267 | |
| u1 | -5.009063959090957 | |
| u2 | 4.939260900773414 | |
| u3 | -1.7131912021501607 | |
| duration | 0.0778 | 0.0017 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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) |