results
CoRoT-1 b


Total Reductions to Date: 19
Date Processed: 09/24/2023 at 00:07:22 (PDT)
Exoplanet Watch Ephemeris
Parameter | Value | Uncertainty |
---|---|---|
Orbital Period (Days) | 1.5089750932586459 | 8.784709923657149e-08 |
Ephemeris (BJD_TDB) | 2460006.722605133 | 0.0003286113960779346 |
Time saved (hours) | - |
Assumed Priors
Parameter | Value | Uncertainty | Units | Reference |
---|---|---|---|---|
RA | 102.0798591 | decimal | ||
DEC | -3.1021394 | decimal | ||
Host Star Metallicity | 0.06 | 0.07 | Bonomo et al. 2017 | |
Host Star log(g) | 4.33 | 0.02 | Log10(cgs) | ExoFOP-TESS TOI |
Host Star Radius [R_Sun] | 1.29 | 0.02 | Sol | ExoFOP-TESS TOI |
Host Star Effective Temperature [K] | 5950.0 | 66.0 | K | ExoFOP-TESS TOI |
a/Rs | 4.8239 | 0.047 | Southworth 2011 | |
eccentricity | 0.036 | 0.62 | Bonomo et al. 2017 | |
inclination [degrees] | 85.1 | 0.5 | deg | Bonomo et al. 2017 |
omega [degrees] | 0.0 | deg | Ivshina & Winn 2022 | |
orbital period [days] | 1.50896877 | 8e-08 | day | Ivshina & Winn 2022 |
Rp | 20.59 | 0.34 | R_Earth | ExoFOP-TESS TOI |
Rp/Rs | 0.1146 | 0 | ExoFOP-TESS TOI | |
ephemeris [JD] | 2456268.99119 | 0.00012 | BJD-TDB | Ivshina & Winn 2022 |
Previously Published Mid-Transit Times
Value | Uncertainty | Units | Reference |
---|---|---|---|
2454138.3160205 | 4.8e-05 | BJD, BJD-TDB | Bonomo et al. 2017, Turner et al. 2016 |
2454159.4532 | 0.0001 | JD | Barge et al. 2008 |
2454524.6231 | 0.0002 | BJD | Pont et al. 2010 |
2456268.99119 | 0.00012 | BJD-TDB | Ivshina & Winn 2022 |
2459211.478874 | 0.001165 | BJD | ExoFOP-TESS TOI |
Observations

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.299 | 0.027 |
Am2 | -0.145 | 0.035 |
a/Rs | 5.02 | 0.13 |
Rp/Rs | 0.183 | 0.063 |
ephemeris [JD] | 2456306.736 | 0.01 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 1.8270238867995872 | |
u1 | -3.202416914058386 | |
u2 | 3.81170710801225 | |
u3 | -1.4363140239545893 | |
duration | 0.037 | 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 | MSOB (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.412 | 0.022 |
Am2 | 0.72 | 0.2 |
a/Rs | 5.0 | 0.14 |
Rp/Rs | 0.223 | 0.064 |
ephemeris [JD] | 2456994.821 | 0.012 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 1.8268428721126815 | |
u1 | -3.2021833771310746 | |
u2 | 3.8115769760467004 | |
u3 | -1.4362364142313844 | |
duration | 0.063 | 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 | RSAC (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.995 | 0.031 |
Am2 | 0.005 | 0.014 |
a/Rs | 4.69 | 0.14 |
Rp/Rs | 0.174 | 0.022 |
ephemeris [JD] | 2457012.9135 | 0.005 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 1.827233365647728 | |
u1 | -3.2035929888289103 | |
u2 | 3.8133869262634272 | |
u3 | -1.4370272462583515 | |
duration | 0.1144 | 0.0048 |
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 | CKAB (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.941 | 0.034 |
Am2 | 0.041 | 0.025 |
a/Rs | 4.59 | 0.13 |
Rp/Rs | 0.138 | 0.038 |
ephemeris [JD] | 2457056.6738 | 0.0099 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 1.8271921895175043 | |
u1 | -3.2029358557440935 | |
u2 | 3.8123620241530376 | |
u3 | -1.4366183011178268 | |
duration | 0.1128 | 0.0058 |
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 | MKID (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.133 | 0.029 |
Am2 | -0.088 | 0.072 |
a/Rs | 4.67 | 0.14 |
Rp/Rs | 0.179 | 0.031 |
ephemeris [JD] | 2457062.7264 | 0.0043 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 1.8235941094089445 | |
u1 | -3.1917856229464054 | |
u2 | 3.800475327996099 | |
u3 | -1.4322837578271428 | |
duration | 0.1155 | 0.0053 |
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 | MKID (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.191 | 0.027 |
Am2 | -0.128 | 0.065 |
a/Rs | 4.87 | 0.14 |
Rp/Rs | 0.13 | 0.044 |
ephemeris [JD] | 2458156.7006 | 0.009 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 1.824256987398123 | |
u1 | -3.1937409055928074 | |
u2 | 3.8025525413088785 | |
u3 | -1.433068566451746 | |
duration | 0.1048 | 0.0059 |
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 | CKAB (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.94 | 0.31 |
Am2 | -0.22 | 0.16 |
a/Rs | 5.03 | 0.13 |
Rp/Rs | 0.221 | 0.067 |
ephemeris [JD] | 2459238.622 | 0.012 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 1.8236366985743628 | |
u1 | -3.1918022333041844 | |
u2 | 3.800375818917795 | |
u3 | -1.432210227557961 | |
duration | 0.0836 | 0.0056 |
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 | MKID (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.04 | 0.048 |
Am2 | -0.022 | 0.018 |
a/Rs | 5.06 | 0.13 |
Rp/Rs | 0.091 | 0.037 |
ephemeris [JD] | 2459241.643 | 0.012 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 1.8268168524968424 | |
u1 | -3.202507781256817 | |
u2 | 3.8120565476680635 | |
u3 | -1.43636556210402 | |
duration | 0.0957 | 0.0055 |
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 | MKID (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.955 | 0.027 |
Am2 | 0.033 | 0.043 |
a/Rs | 4.59 | 0.13 |
Rp/Rs | 0.053 | 0.035 |
ephemeris [JD] | 2459250.704 | 0.012 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 1.823795002058051 | |
u1 | -3.1927979121756085 | |
u2 | 3.801772104354597 | |
u3 | -1.432769137586221 | |
duration | 0.1034 | 0.005 |
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 | RSAC (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.977 | 0.025 |
Am2 | 0.0067 | 0.0049 |
a/Rs | 4.59 | 0.12 |
Rp/Rs | 0.2 | 0.018 |
ephemeris [JD] | 2459262.7825 | 0.0038 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 1.8268403407430274 | |
u1 | -3.2018838862778427 | |
u2 | 3.8112039762047454 | |
u3 | -1.4361603738785655 | |
duration | 0.1204 | 0.0044 |
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 | MSOB (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.015 | 0.027 |
Am2 | -0.007 | 0.021 |
a/Rs | 4.96 | 0.14 |
Rp/Rs | 0.0 | 0.018 |
ephemeris [JD] | 2459535.896 | 0.012 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 1.8261601950840625 | |
u1 | -3.200025526958911 | |
u2 | 3.809089418244031 | |
u3 | -1.4352240296093273 | |
duration | 0.0899 | 0.0033 |
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 | RSAC (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.96 | 0.031 |
Am2 | 0.0199 | 0.0068 |
a/Rs | 4.6 | 0.13 |
Rp/Rs | 0.149 | 0.038 |
ephemeris [JD] | 2459585.7179 | 0.008 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 1.8239663925979013 | |
u1 | -3.1926756878002114 | |
u2 | 3.801193589593056 | |
u3 | -1.4324842377485476 | |
duration | 0.114 | 0.0057 |
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 | CKAB (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.38 | 0.049 |
Am2 | -0.153 | 0.016 |
a/Rs | 5.01 | 0.14 |
Rp/Rs | 0.178 | 0.061 |
ephemeris [JD] | 2459665.684 | 0.012 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 1.8236272877297257 | |
u1 | -3.1917342884485462 | |
u2 | 3.8003115192973893 | |
u3 | -1.4322044619495138 | |
duration | 0.1064 | 0.0073 |
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 | MSOB (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.98 | 0.12 |
Am2 | 0.019 | 0.03 |
a/Rs | 4.6 | 0.14 |
Rp/Rs | 0.203 | 0.064 |
ephemeris [JD] | 2459929.747 | 0.011 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 1.8267337144224627 | |
u1 | -3.2017913959175535 | |
u2 | 3.8111016748740685 | |
u3 | -1.4360439365891375 | |
duration | 0.1174 | 0.0083 |
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 | DKEB (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.002 | 0.032 |
Am2 | -0.001 | 0.0063 |
a/Rs | 4.72 | 0.14 |
Rp/Rs | 0.14 | 0.029 |
ephemeris [JD] | 2459953.9005 | 0.0067 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 2.0678858270893956 | |
u1 | -3.758937859656319 | |
u2 | 4.26994810258653 | |
u3 | -1.578896006392422 | |
duration | 0.1099 | 0.0048 |
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 | OAS (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.011 | 0.029 |
Am2 | -0.011 | 0.011 |
a/Rs | 5.04 | 0.13 |
Rp/Rs | 0.126 | 0.042 |
ephemeris [JD] | 2459956.931 | 0.012 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 2.0687217189629608 | |
u1 | -3.7614828834109906 | |
u2 | 4.272943504397219 | |
u3 | -1.5801822762773692 | |
duration | 0.082 | 0.012 |
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 | OAS (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0019 | 0.0065 |
Am2 | -0.0017 | 0.0088 |
a/Rs | 4.63 | 0.14 |
Rp/Rs | 0.1152 | 0.0081 |
ephemeris [JD] | 2459968.9816 | 0.0033 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 1.5307089054454814 | |
u1 | -2.77213500831288 | |
u2 | 3.6722836829617123 | |
u3 | -1.4308575253730225 | |
duration | 0.0769 | 0.0037 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
SG | Sloan g | 402.5 nm | 551.5 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | GEDB (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 2.03 | 0.24 |
Am2 | -0.52 | 0.14 |
a/Rs | 5.0 | 0.14 |
Rp/Rs | 0.094 | 0.054 |
ephemeris [JD] | 2459988.62 | 0.012 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 2.0677603184441575 | |
u1 | -3.757594780541834 | |
u2 | 4.267887903330269 | |
u3 | -1.5780533776361074 | |
duration | 0.0972 | 0.0064 |
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 | PJEE (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9798 | 0.0087 |
Am2 | 0.0122 | 0.0037 |
a/Rs | 4.63 | 0.13 |
Rp/Rs | 0.105 | 0.011 |
ephemeris [JD] | 2460006.7056 | 0.0048 |
eccentricity | 0.036 | |
inclination [degrees] | 85.1 | |
omega [degrees] | 0.0 | |
orbital period [days] | 1.50896877 | |
u0 | 2.477485110765443 | |
u1 | -4.466524348347934 | |
u2 | 4.647164872190113 | |
u3 | -1.658125565359469 | |
duration | 0.1084 | 0.0038 |
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) |