results
WASP-67 b
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Total Reductions to Date: 15
Date Processed: 02/18/2025 at 07:00:04 (PST)
Exoplanet Watch Ephemeris
Parameter | Value | Uncertainty |
---|---|---|
Orbital Period (Days) | 4.614414559262718 | 9.57764379499884e-07 |
Ephemeris (BJD_TDB) | 2459469.761871499 | 0.0006187580161868552 |
Assumed Priors
Parameter | Value | Uncertainty | Units | Reference |
---|---|---|---|---|
RA | 295.7438485 | decimal | ||
DEC | -19.9497314 | decimal | ||
Host Star Metallicity | -0.07 | 0.09 | Bonomo et al. 2017 | |
Host Star log(g) | 4.35 | 0.15 | Log10(cgs) | Stassun et al. 2017 |
Host Star Radius [R_Sun] | 0.87 | 0.04 | Sol | Kokori et al. 2023 |
Host Star Effective Temperature [K] | 5240.0 | 10.0 | K | Kokori et al. 2023 |
a/Rs | 12.83 | 0.05 | Kokori et al. 2023 | |
eccentricity | 0.015 | Bonomo et al. 2017 | ||
inclination [degrees] | 85.8 | 0.3 | deg | Kokori et al. 2023 |
omega [degrees] | 0.0 | deg | Kokori et al. 2023 | |
orbital period [days] | 4.61441644 | 6.9e-07 | day | Kokori et al. 2023 |
Rp | 15.69 | 3.36 | R_Earth | Bonomo et al. 2017 |
Rp/Rs | 0.1342 | 0 | Stassun et al. 2017 | |
ephemeris [JD] | 2456650.35461 | 0.00013 | BJD-TDB | Kokori et al. 2023 |
Previously Published Mid-Transit Times
Value | Uncertainty | Units | Reference |
---|---|---|---|
2455824.374581 | 0.00021 | BJD-TDB, HJD-UTC | Bonomo et al. 2017, Hellier et al. 2012 |
2456082.78126 | 0.00018 | BJD-TDB | Ivshina & Winn 2022 |
2456618.0537 | 8e-05 | BJD-TDB | Kokori et al. 2022 |
2456650.35461 | 0.00013 | BJD-TDB | Kokori et al. 2023 |
Observations
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.082 | 0.019 |
Am2 | -0.0224 | 0.0098 |
a/Rs | 13.01 | 0.14 |
Rp/Rs | 0.267 | 0.064 |
ephemeris [JD] | 2456982.5749 | 0.0088 |
eccentricity | 0.015 | |
inclination [degrees] | 85.8 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.61441644 | |
u0 | 1.5533798564560621 | |
u1 | -2.771016644027132 | |
u2 | 3.5397666597476367 | |
u3 | -1.3221298194299336 | |
duration | 0.0692 | 0.0052 |
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 | PANN (collaborate/publish) | MOBS |
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.053 | 0.016 |
Am2 | -0.011 | 0.01 |
a/Rs | 13.04 | 0.15 |
Rp/Rs | 0.255 | 0.06 |
ephemeris [JD] | 2456982.582 | 0.0094 |
eccentricity | 0.015 | |
inclination [degrees] | 85.8 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.61441644 | |
u0 | 1.5526200861037585 | |
u1 | -2.7675819057516793 | |
u2 | 3.5347111792709485 | |
u3 | -1.3197493069517265 | |
duration | 0.0602 | 0.0035 |
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 | PJOO (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.01 | 0.031 |
Am2 | 0.0 | 0.045 |
a/Rs | 12.94 | 0.15 |
Rp/Rs | 0.268 | 0.06 |
ephemeris [JD] | 2457194.8764 | 0.0064 |
eccentricity | 0.015 | |
inclination [degrees] | 85.8 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.61441644 | |
u0 | 1.552426152510472 | |
u1 | -2.767819207097327 | |
u2 | 3.5353532692918885 | |
u3 | -1.3199601620241643 | |
duration | 0.095 | 0.011 |
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 | CMAP (collaborate/publish) | MOBS |
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 2.07 | 0.77 |
Am2 | -0.398 | 0.068 |
a/Rs | 12.66 | 0.14 |
Rp/Rs | 0.268 | 0.077 |
ephemeris [JD] | 2457900.882 | 0.012 |
eccentricity | 0.015 | |
inclination [degrees] | 85.8 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.61441644 | |
u0 | 1.5526673776650224 | |
u1 | -2.7679402281561067 | |
u2 | 3.53541453167983 | |
u3 | -1.3201416285069638 | |
duration | 0.101 | 0.013 |
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 | MANS (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.13 | 0.012 |
Am2 | -0.074 | 0.042 |
a/Rs | 12.62 | 0.14 |
Rp/Rs | 0.263 | 0.048 |
ephemeris [JD] | 2458246.9292 | 0.0076 |
eccentricity | 0.015 | |
inclination [degrees] | 85.8 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.61441644 | |
u0 | 1.5520095929721776 | |
u1 | -2.7647428067093336 | |
u2 | 3.530364523261054 | |
u3 | -1.317631256917367 | |
duration | 0.0608 | 0.0082 |
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 | WGAC (collaborate/publish) | MOBS |
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.884 | 0.029 |
Am2 | 0.067 | 0.025 |
a/Rs | 13.04 | 0.14 |
Rp/Rs | 0.11 | 0.058 |
ephemeris [JD] | 2458283.844 | 0.012 |
eccentricity | 0.015 | |
inclination [degrees] | 85.8 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.61441644 | |
u0 | 1.5535192219843676 | |
u1 | -2.770655898100817 | |
u2 | 3.5383168353887426 | |
u3 | -1.3211801065472644 | |
duration | 0.064 | 0.013 |
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 | NGIA (collaborate/publish) | MOBS |
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9969 | 0.0079 |
Am2 | 0.0019 | 0.0091 |
a/Rs | 12.58 | 0.14 |
Rp/Rs | 0.156 | 0.012 |
ephemeris [JD] | 2458703.7677 | 0.0013 |
eccentricity | 0.015 | |
inclination [degrees] | 85.8 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.61441644 | |
u0 | 2.1790614489552804 | |
u1 | -3.8304856819944773 | |
u2 | 4.114944530483645 | |
u3 | -1.4635202361269966 | |
duration | 0.0803 | 0.0026 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
CBB | Clear with blue-blocking | 500.0 nm | 1000.0 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | LPAC (collaborate/publish) |
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.992 | 0.02 |
Am2 | 0.0028 | 0.0067 |
a/Rs | 12.65 | 0.14 |
Rp/Rs | 0.154 | 0.063 |
ephemeris [JD] | 2459335.9386 | 0.0095 |
eccentricity | 0.015 | |
inclination [degrees] | 85.8 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.61441644 | |
u0 | 1.5540062823341128 | |
u1 | -2.77330359523646 | |
u2 | 3.5423462246344415 | |
u3 | -1.3230488589470224 | |
duration | 0.08 | 0.011 |
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 | SSTP (collaborate/publish) | MOBS |
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.3352135 | 2.1e-06 |
Am2 | -0.18 | 0.16 |
a/Rs | 13.06 | 0.14 |
Rp/Rs | 0.042 | 0.077 |
ephemeris [JD] | 2459335.926 | 0.012 |
eccentricity | 0.015 | |
inclination [degrees] | 85.8 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.61441644 | |
u0 | 1.5525120209293521 | |
u1 | -2.7669804214914633 | |
u2 | 3.533430042906396 | |
u3 | -1.318961589692074 | |
duration | 0 | 0 |
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 | WJEC (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.019 | 0.088 |
Am2 | -0.039 | 0.074 |
a/Rs | 12.71 | 0.14 |
Rp/Rs | 0.268 | 0.079 |
ephemeris [JD] | 2459446.67 | 0.012 |
eccentricity | 0.015 | |
inclination [degrees] | 85.8 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.61441644 | |
u0 | 1.5538751788103562 | |
u1 | -2.772921739043264 | |
u2 | 3.541582231241345 | |
u3 | -1.3225356182347499 | |
duration | 0.0893 | 0.0098 |
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 | MKEE (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.111 | 0.097 |
Am2 | -0.048 | 0.079 |
a/Rs | 12.63 | 0.15 |
Rp/Rs | 0.265 | 0.079 |
ephemeris [JD] | 2459446.67 | 0.012 |
eccentricity | 0.015 | |
inclination [degrees] | 85.8 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.61441644 | |
u0 | 1.5526568242551158 | |
u1 | -2.7683239031281914 | |
u2 | 3.536044177619129 | |
u3 | -1.320377046054889 | |
duration | 0.089 | 0.01 |
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 | CJOK (collaborate/publish) | MOBS |
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Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.017 | 0.021 |
Am2 | -0.009 | 0.006 |
a/Rs | 12.59 | 0.14 |
Rp/Rs | 0.262 | 0.027 |
ephemeris [JD] | 2459469.7623 | 0.0069 |
eccentricity | 0.015 | |
inclination [degrees] | 85.8 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.61441644 | |
u0 | 1.5532378062733712 | |
u1 | -2.7704325000904313 | |
u2 | 3.5383216007845544 | |
u3 | -1.3211268542423942 | |
duration | 0.0997 | 0.0052 |
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 | SGGB (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.931 | 0.012 |
Am2 | 0.032 | 0.013 |
a/Rs | 12.97 | 0.15 |
Rp/Rs | 0.169 | 0.037 |
ephemeris [JD] | 2460138.8523 | 0.0071 |
eccentricity | 0.015 | |
inclination [degrees] | 85.8 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.61441644 | |
u0 | 2.075461610876563 | |
u1 | -3.5686089235524414 | |
u2 | 3.8782155903818154 | |
u3 | -1.385068219916021 | |
duration | 0.0777 | 0.0082 |
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 | 1.127 | 0.036 |
Am2 | -0.049 | 0.029 |
a/Rs | 13.03 | 0.14 |
Rp/Rs | 0.188 | 0.074 |
ephemeris [JD] | 2460424.968 | 0.012 |
eccentricity | 0.015 | |
inclination [degrees] | 85.8 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.61441644 | |
u0 | 1.5523517550020416 | |
u1 | -2.7668647623991984 | |
u2 | 3.5338057680259514 | |
u3 | -1.3192927079709849 | |
duration | 0 | 0 |
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 |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0164 | 0.0073 |
Am2 | -0.0075 | 0.0019 |
a/Rs | 13.07 | 0.14 |
Rp/Rs | 0.072 | 0.027 |
ephemeris [JD] | 2460521.837 | 0.011 |
eccentricity | 0.015 | |
inclination [degrees] | 85.8 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.61441644 | |
u0 | 1.8298264003241573 | |
u1 | -3.2857251341485245 | |
u2 | 3.856042488556767 | |
u3 | -1.4001436972728891 | |
duration | 0.0546 | 0.0075 |
Not 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) |