results
HAT-P-30 b



Total Reductions to Date: 19
Date Processed: 09/18/2023 at 00:07:19 (PDT)
Exoplanet Watch Ephemeris
Parameter | Value | Uncertainty |
---|---|---|
Orbital Period (Days) | 2.810600821277987 | 1.452722032617232e-07 |
Ephemeris (BJD_TDB) | 2459992.776272309 | 0.0001311207005447408 |
Time saved (hours) | 0.0001 |
Assumed Priors
Parameter | Value | Uncertainty | Units | Reference |
---|---|---|---|---|
RA | 123.9498431 | decimal | ||
DEC | 5.8368669 | decimal | ||
Host Star Metallicity | 0.13 | 0.08 | Kokori et al. 2022 | |
Host Star log(g) | 4.36 | 0.03 | Log10(cgs) | Kokori et al. 2022 |
Host Star Radius [R_Sun] | 1.22 | 0.05 | Sol | Kokori et al. 2022 |
Host Star Effective Temperature [K] | 6304.0 | 88.0 | K | Kokori et al. 2022 |
a/Rs | 7.43 | 0.34 | Stassun et al. 2017 | |
eccentricity | 0.016 | 0.02 | Bonomo et al. 2017 | |
inclination [degrees] | 83.6 | 0.04 | deg | Bonomo et al. 2017 |
omega [degrees] | 114.0 | 200.0 | deg | Knutson et al. 2014 |
orbital period [days] | 2.81060126 | 6e-07 | day | Ivshina & Winn 2022 |
Rp | 15.68 | 0.82 | R_Earth | ExoFOP-TESS TOI |
Rp/Rs | 0.1094 | 0 | ExoFOP-TESS TOI | |
ephemeris [JD] | 2457426.69746 | 0.00032 | BJD-TDB | Ivshina & Winn 2022 |
Previously Published Mid-Transit Times
Value | Uncertainty | Units | Reference |
---|---|---|---|
2455456.46606 | 0.00029 | BJD-TDB, BJD-UTC | Bonomo et al. 2017, Maciejewski et al. 2016, Johnson et al. 2011 |
2455931.45837 | 0.00018 | BJD-TDB | Kokori et al. 2022 |
2457426.69746 | 0.00032 | BJD-TDB | Ivshina & Winn 2022 |
2459987.155178 | 0.000197 | BJD | ExoFOP-TESS TOI |
Observations

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0058 | 0.0055 |
Am2 | -0.0046 | 0.0016 |
a/Rs | 7.85 | 0.26 |
Rp/Rs | 0.1103 | 0.008 |
ephemeris [JD] | 2459264.8271 | 0.002 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 1.9163565025637832 | |
u1 | -3.3756553130567695 | |
u2 | 3.9579087325495004 | |
u3 | -1.498609863079078 | |
duration | 0.0789 | 0.0066 |
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 | WWC (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.244 | 0.027 |
Am2 | -0.189 | 0.018 |
a/Rs | 6.06 | 0.13 |
Rp/Rs | 0.1582 | 0.0051 |
ephemeris [JD] | 2459638.6289 | 0.0037 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.123496136332763 | |
u1 | -3.8425836470479915 | |
u2 | 4.3293131211445175 | |
u3 | -1.610225545917496 | |
duration | 0.1246 | 0.0044 |
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 | PMIF (collaborate/publish) | UNIS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0069 | 0.007 |
Am2 | -0.004 | 0.011 |
a/Rs | 8.05 | 0.34 |
Rp/Rs | 0.143 | 0.023 |
ephemeris [JD] | 2459930.9418 | 0.0021 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.5057357482741174 | |
u1 | -4.460102438393302 | |
u2 | 4.587875822677072 | |
u3 | -1.6335090641932104 | |
duration | 0.08 | 0.009 |
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 | 0.9918 | 0.0098 |
Am2 | 0.0055 | 0.0033 |
a/Rs | 7.51 | 0.63 |
Rp/Rs | 0.09 | 0.027 |
ephemeris [JD] | 2459978.7125 | 0.0057 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.5056129332243224 | |
u1 | -4.460556072043233 | |
u2 | 4.588984981981211 | |
u3 | -1.6340417747810947 | |
duration | 0.084 | 0.018 |
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 | 0.9869 | 0.003 |
Am2 | 0.0106 | 0.0017 |
a/Rs | 7.544 | 0.092 |
Rp/Rs | 0.0887 | 0.0029 |
ephemeris [JD] | 2459992.7774 | 0.0011 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.2451805831984615 | |
u1 | -3.950011325589202 | |
u2 | 4.257709243433401 | |
u3 | -1.5528784375978488 | |
duration | 0.0832 | 0.0024 |
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 | HHJA (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9999 | 0.001 |
Am2 | 0 | |
a/Rs | 7.555 | 0.051 |
Rp/Rs | 0.105 | 0.0015 |
ephemeris [JD] | 2458494.72579 | 0.0006 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.8349540937512563 | |
u1 | -5.11836980297035 | |
u2 | 5.031066325600464 | |
u3 | -1.7476505414126393 | |
duration | 0.0861 | 0.0013 |
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0 | 0.0021 |
Am2 | 0 | |
a/Rs | 7.421 | 0.037 |
Rp/Rs | 0.1031 | 0.001 |
ephemeris [JD] | 2459231.10378 | 0.00044 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.835592462403522 | |
u1 | -5.120321020691953 | |
u2 | 5.033196602978452 | |
u3 | -1.748467969689548 | |
duration | 0.0891 | 0.0011 |
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.00013 | 0.00094 |
Am2 | 0 | |
a/Rs | 7.515 | 0.046 |
Rp/Rs | 0.1061 | 0.0014 |
ephemeris [JD] | 2458497.53638 | 0.00051 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.8351661293117343 | |
u1 | -5.11802024671491 | |
u2 | 5.02992247256239 | |
u3 | -1.7470682802075284 | |
duration | 0.0868 | 0.0013 |
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9996 | 0.0034 |
Am2 | 0 | |
a/Rs | 7.31 | 0.049 |
Rp/Rs | 0.1009 | 0.0015 |
ephemeris [JD] | 2459253.58733 | 0.0006 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.835827127094178 | |
u1 | -5.120995997858286 | |
u2 | 5.033927104441874 | |
u3 | -1.7487581586664058 | |
duration | 0.0913 | 0.0014 |
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9999 | 0.0011 |
Am2 | 0 | |
a/Rs | 7.421 | 0.055 |
Rp/Rs | 0.1058 | 0.0016 |
ephemeris [JD] | 2458508.77955 | 0.0006 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.835467359553999 | |
u1 | -5.1187736285341705 | |
u2 | 5.030667756115799 | |
u3 | -1.7473614121728365 | |
duration | 0.0897 | 0.0016 |
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9999 | 0.0012 |
Am2 | 0 | |
a/Rs | 7.425 | 0.054 |
Rp/Rs | 0.105 | 0.0017 |
ephemeris [JD] | 2458514.39949 | 0.00063 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.834584932074551 | |
u1 | -5.116662689738624 | |
u2 | 5.028787314721797 | |
u3 | -1.7467094821229536 | |
duration | 0.089 | 0.0015 |
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.00042 | 0.00098 |
Am2 | 0 | |
a/Rs | 7.483 | 0.052 |
Rp/Rs | 0.1065 | 0.0015 |
ephemeris [JD] | 2458491.91532 | 0.00059 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.835200607228568 | |
u1 | -5.1191183670324065 | |
u2 | 5.0319365137303755 | |
u3 | -1.7480186789448395 | |
duration | 0.0879 | 0.0013 |
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0 | 0.0022 |
Am2 | 0 | |
a/Rs | 7.492 | 0.039 |
Rp/Rs | 0.1062 | 0.0011 |
ephemeris [JD] | 2459245.15642 | 0.00042 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.8348807739382247 | |
u1 | -5.117678442566415 | |
u2 | 5.0299287319073285 | |
u3 | -1.747130988327359 | |
duration | 0.0877 | 0.0011 |
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0 | 0.0021 |
Am2 | 0 | |
a/Rs | 7.541 | 0.035 |
Rp/Rs | 0.1069 | 0.001 |
ephemeris [JD] | 2459236.72433 | 0.00041 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.835609107279523 | |
u1 | -5.120663228304329 | |
u2 | 5.03378090501889 | |
u3 | -1.7487267089849041 | |
duration | 0.08623 | 0.00099 |
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0 | 0.0027 |
Am2 | 0 | |
a/Rs | 7.443 | 0.045 |
Rp/Rs | 0.1063 | 0.0012 |
ephemeris [JD] | 2459247.96713 | 0.00049 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.8349578732909286 | |
u1 | -5.117604480364212 | |
u2 | 5.0296837714414675 | |
u3 | -1.747037089420056 | |
duration | 0.0891 | 0.0012 |
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0 | 0.0021 |
Am2 | 0 | |
a/Rs | 7.483 | 0.037 |
Rp/Rs | 0.1057 | 0.0011 |
ephemeris [JD] | 2459233.91414 | 0.00041 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.8353940204202455 | |
u1 | -5.119108825456179 | |
u2 | 5.031366246384909 | |
u3 | -1.7476513663757758 | |
duration | 0.08769 | 0.00099 |
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0001 | 0.0022 |
Am2 | 0 | |
a/Rs | 7.533 | 0.04 |
Rp/Rs | 0.1063 | 0.0011 |
ephemeris [JD] | 2459239.53561 | 0.00044 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.8359376776155427 | |
u1 | -5.1216877147922615 | |
u2 | 5.034927677595116 | |
u3 | -1.7491775653921282 | |
duration | 0.0869 | 0.0011 |
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0 | 0.0023 |
Am2 | 0 | |
a/Rs | 7.493 | 0.04 |
Rp/Rs | 0.1061 | 0.0011 |
ephemeris [JD] | 2459250.7774 | 0.00046 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.83498659851592 | |
u1 | -5.118218650982813 | |
u2 | 5.030712206898701 | |
u3 | -1.747480079468354 | |
duration | 0.0877 | 0.0011 |
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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9999 | 0.0011 |
Am2 | 0 | |
a/Rs | 7.505 | 0.05 |
Rp/Rs | 0.1026 | 0.0015 |
ephemeris [JD] | 2458511.59029 | 0.00058 |
eccentricity | 0.016 | |
inclination [degrees] | 83.6 | |
omega [degrees] | 114.0 | |
orbital period [days] | 2.81060126 | |
u0 | 2.835290384044815 | |
u1 | -5.1193685656563614 | |
u2 | 5.032221095022559 | |
u3 | -1.7481428384250748 | |
duration | 0.0868 | 0.0013 |
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) |