results
HAT-P-16 b



Total Reductions to Date: 22
Date Processed: 05/15/2025 at 07:00:04 (PDT)
Exoplanet Watch Ephemeris
Parameter | Value | Uncertainty |
---|---|---|
Orbital Period (Days) | 2.775967060161871 | 9.388381589062104e-08 |
Ephemeris (BJD_TDB) | 2460610.063874677 | 0.00013817769690298081 |
Assumed Priors
Parameter | Value | Uncertainty | Units | Reference |
---|---|---|---|---|
RA | 9.5730343 | decimal | ||
DEC | 42.4630961 | decimal | ||
Host Star Metallicity | 0.17 | 0.08 | Kokori et al. 2023 | |
Host Star log(g) | 4.34 | 0.03 | Log10(cgs) | Kokori et al. 2023 |
Host Star Radius [R_Sun] | 1.237 | 0.054 | Sol | Kokori et al. 2023 |
Host Star Effective Temperature [K] | 6158.0 | 80.0 | K | Yalçınkaya et al. 2024 |
a/Rs | 7.2 | 0.3 | Kokori et al. 2023 | |
eccentricity | 0.036 | 0.004 | Kokori et al. 2023 | |
inclination [degrees] | 86.6 | 0.7 | deg | Kokori et al. 2023 |
omega [degrees] | 214.0 | 8.0 | deg | Kokori et al. 2023 |
orbital period [days] | 2.77596727 | 9e-08 | day | Yalçınkaya et al. 2024 |
Rp | 15.4 | 0.78 | R_Earth | ExoFOP-TESS TOI |
Rp/Rs | 0.1167 | 0 | ExoFOP-TESS TOI | |
ephemeris [JD] | 2456204.604299 | 6.9e-05 | BJD-TDB | Yalçınkaya et al. 2024 |
Previously Published Mid-Transit Times
Value | Uncertainty | Units | Reference |
---|---|---|---|
2455027.59289975 | 0.0002725 | BJD, BJD-TDB, BJD-UTC | Bonomo et al. 2017, Turner et al. 2016, Sada & Ramón-Fox 2016, Buchhave et al. 2010 |
2455968.64684 | 0.00013 | BJD-TDB | Kokori et al. 2022 |
2456204.604299 | 6.9e-05 | BJD-TDB | Yalçınkaya et al. 2024 |
2456598.79115 | 0.00023 | BJD-TDB | Ivshina & Winn 2022 |
2457237.26396 | 0.00013 | BJD-TDB | Kokori et al. 2023 |
2460610.063622 | 0.0001935 | BJD | ExoFOP-TESS TOI |
Observations

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0069 | 0.0031 |
Am2 | -0.0016 | 0.0026 |
a/Rs | 7.033 | 0.081 |
Rp/Rs | 0.0995 | 0.0018 |
ephemeris [JD] | 2458036.74001 | 0.00083 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.79337943902211 | |
u1 | -5.046967631739121 | |
u2 | 4.99080755524327 | |
u3 | -1.7372192881574309 | |
duration | 0.1307 | 0.0018 |
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 | AKV (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0387 | 0.003 |
Am2 | -0.0342 | 0.0063 |
a/Rs | 7.11 | 0.11 |
Rp/Rs | 0.1066 | 0.0033 |
ephemeris [JD] | 2459152.6817 | 0.00098 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.2604030685893046 | |
u1 | -3.9880526025335383 | |
u2 | 4.279203655628084 | |
u3 | -1.551554057918747 | |
duration | 0.13 | 0.0024 |
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 | KGAB (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9878 | 0.0062 |
Am2 | 0.011 | 0.013 |
a/Rs | 7.07 | 0.21 |
Rp/Rs | 0.1128 | 0.0045 |
ephemeris [JD] | 2459524.6575 | 0.0024 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.3321721009370493 | |
u1 | -4.102735919060064 | |
u2 | 4.325880170957739 | |
u3 | -1.5553162883740872 | |
duration | 0.1318 | 0.0046 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
NA | Custom | 615.0 nm | 690.0 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | LDJC (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0064 | 0.0051 |
Am2 | -0.0057 | 0.008 |
a/Rs | 7.11 | 0.28 |
Rp/Rs | 0.1025 | 0.0059 |
ephemeris [JD] | 2459868.8821 | 0.0032 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.517047847449219 | |
u1 | -4.547962577968369 | |
u2 | 4.713073982947741 | |
u3 | -1.6821591821983155 | |
duration | 0.1263 | 0.0045 |
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 | MBEB (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.15 | 0.034 |
Am2 | -0.124 | 0.041 |
a/Rs | 6.68 | 0.36 |
Rp/Rs | 0.158 | 0.015 |
ephemeris [JD] | 2459896.6237 | 0.0029 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.2597695156386917 | |
u1 | -3.986468913368337 | |
u2 | 4.277529800821984 | |
u3 | -1.5508303393521774 | |
duration | 0.1472 | 0.0085 |
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 | NANF (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0013 | 0.0028 |
Am2 | -0.00114 | 0.00092 |
a/Rs | 7.035 | 0.086 |
Rp/Rs | 0.1129 | 0.0019 |
ephemeris [JD] | 2459949.38425 | 0.00084 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.203427814318801 | |
u1 | -3.876943504541752 | |
u2 | 4.207109009784363 | |
u3 | -1.5335932568706023 | |
duration | 0.1324 | 0.002 |
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 | SAJB (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0018 | 0.0045 |
Am2 | -0.00123 | 0.00097 |
a/Rs | 6.49 | 0.28 |
Rp/Rs | 0.1108 | 0.004 |
ephemeris [JD] | 2460179.7814 | 0.0028 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.4647509038903936 | |
u1 | -4.388902549309254 | |
u2 | 4.5427149302524805 | |
u3 | -1.6185632171418933 | |
duration | 0.1449 | 0.0072 |
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 | 1.0199 | 0.0032 |
Am2 | -0.0171 | 0.0046 |
a/Rs | 7.23 | 0.42 |
Rp/Rs | 0.0907 | 0.0058 |
ephemeris [JD] | 2460279.7232 | 0.0036 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 1.9332416207725795 | |
u1 | -3.4673944448538494 | |
u2 | 4.064270242532131 | |
u3 | -1.5301173578885159 | |
duration | 0.1257 | 0.0093 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
NA | Custom | 420.0 nm | 700.0 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | PDAR (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0004 | 0.0016 |
Am2 | 0 | |
a/Rs | 7.17 | 0.11 |
Rp/Rs | 0.0972 | 0.0017 |
ephemeris [JD] | 2458766.82104 | 0.00095 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.793670386678756 | |
u1 | -5.047138181687728 | |
u2 | 4.990431119105864 | |
u3 | -1.7369632497336727 | |
duration | 0.1274 | 0.0024 |
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 | 1.0004 | 0.0031 |
Am2 | 0 | |
a/Rs | 7.189 | 0.058 |
Rp/Rs | 0.09865 | 0.00097 |
ephemeris [JD] | 2459855.0011 | 0.00053 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.7943094318399937 | |
u1 | -5.0502079637443495 | |
u2 | 4.994669853757472 | |
u3 | -1.7387712474267354 | |
duration | 0.1269 | 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 | 1.0001 | 0.0033 |
Am2 | 0 | |
a/Rs | 7.191 | 0.06 |
Rp/Rs | 0.0993 | 0.0011 |
ephemeris [JD] | 2459871.65703 | 0.00056 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.7938678220787447 | |
u1 | -5.04855975584085 | |
u2 | 4.992675482694517 | |
u3 | -1.7379834745357496 | |
duration | 0.1274 | 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 | 1.0003 | 0.0012 |
Am2 | 0 | |
a/Rs | 7.111 | 0.095 |
Rp/Rs | 0.0983 | 0.0015 |
ephemeris [JD] | 2458780.70186 | 0.00088 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.7941444054824416 | |
u1 | -5.050425882213354 | |
u2 | 4.995414015274329 | |
u3 | -1.7391324641059471 | |
duration | 0.1287 | 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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0008 | 0.0036 |
Am2 | 0 | |
a/Rs | 7.21 | 0.065 |
Rp/Rs | 0.0993 | 0.0012 |
ephemeris [JD] | 2459874.43286 | 0.0006 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.794278742598571 | |
u1 | -5.049400174739141 | |
u2 | 4.9932246007826 | |
u3 | -1.7381030942371862 | |
duration | 0.1267 | 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 | 1.0 | 0.0014 |
Am2 | 0 | |
a/Rs | 7.172 | 0.095 |
Rp/Rs | 0.0976 | 0.0016 |
ephemeris [JD] | 2458783.47753 | 0.00088 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.794376048116473 | |
u1 | -5.050233172235328 | |
u2 | 4.994591223252247 | |
u3 | -1.738734024708183 | |
duration | 0.1274 | 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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9994 | 0.0017 |
Am2 | 0 | |
a/Rs | 7.16 | 0.11 |
Rp/Rs | 0.0993 | 0.002 |
ephemeris [JD] | 2458777.9268 | 0.001 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.793582294591147 | |
u1 | -5.0479588938612 | |
u2 | 4.992188735842229 | |
u3 | -1.7378120621827682 | |
duration | 0.1276 | 0.0023 |
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 | 0.9995 | 0.0015 |
Am2 | 0 | |
a/Rs | 7.17 | 0.11 |
Rp/Rs | 0.0966 | 0.0017 |
ephemeris [JD] | 2458772.37331 | 0.00097 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.7941075591846274 | |
u1 | -5.049477791830431 | |
u2 | 4.9938188623311 | |
u3 | -1.7384485552715971 | |
duration | 0.1272 | 0.0024 |
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 | 1.0002 | 0.0016 |
Am2 | 0 | |
a/Rs | 7.144 | 0.099 |
Rp/Rs | 0.0961 | 0.0021 |
ephemeris [JD] | 2458769.59769 | 0.00092 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.7938514030904518 | |
u1 | -5.048430499875467 | |
u2 | 4.992493551132256 | |
u3 | -1.7379143799532901 | |
duration | 0.1277 | 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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0006 | 0.003 |
Am2 | 0 | |
a/Rs | 7.21 | 0.055 |
Rp/Rs | 0.099 | 0.00096 |
ephemeris [JD] | 2459868.88118 | 0.0005 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.7937951224336626 | |
u1 | -5.048336535303494 | |
u2 | 4.992369954337339 | |
u3 | -1.7378284670753983 | |
duration | 0.1269 | 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 | 0.9993 | 0.0013 |
Am2 | 0 | |
a/Rs | 7.236 | 0.1 |
Rp/Rs | 0.1002 | 0.0017 |
ephemeris [JD] | 2458786.25435 | 0.00088 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.7939690045252603 | |
u1 | -5.049236337961585 | |
u2 | 4.993629582580692 | |
u3 | -1.7383621747334872 | |
duration | 0.1263 | 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) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0001 | 0.003 |
Am2 | 0 | |
a/Rs | 7.233 | 0.06 |
Rp/Rs | 0.09976 | 0.00092 |
ephemeris [JD] | 2459857.77705 | 0.00052 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.7942065135714387 | |
u1 | -5.049941876746786 | |
u2 | 4.99448626065408 | |
u3 | -1.7387508230550877 | |
duration | 0.1264 | 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 | 0.9999 | 0.0028 |
Am2 | 0 | |
a/Rs | 7.142 | 0.054 |
Rp/Rs | 0.09908 | 0.00091 |
ephemeris [JD] | 2459877.2081 | 0.00051 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.7936089637338997 | |
u1 | -5.047693582817956 | |
u2 | 4.991593493287928 | |
u3 | -1.737508799823332 | |
duration | 0.1279 | 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 | 0.0032 |
Am2 | 0 | |
a/Rs | 7.226 | 0.058 |
Rp/Rs | 0.0999 | 0.001 |
ephemeris [JD] | 2459879.98481 | 0.00052 |
eccentricity | 0.036 | |
inclination [degrees] | 86.6 | |
omega [degrees] | 214.0 | |
orbital period [days] | 2.77596727 | |
u0 | 2.7938837491483213 | |
u1 | -5.048855278134404 | |
u2 | 4.993233802213007 | |
u3 | -1.7382621988219427 | |
duration | 0.1264 | 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) |