results
WASP-39 b



Total Reductions to Date: 27
Date Processed: 09/24/2023 at 00:07:22 (PDT)
Exoplanet Watch Ephemeris
Parameter | Value | Uncertainty |
---|---|---|
Orbital Period (Days) | 4.055280444164102 | 4.4722017398635996e-07 |
Ephemeris (BJD_TDB) | 2460099.813405422 | 0.00040841255217551194 |
Time saved (hours) | 0.0002 |
Assumed Priors
Parameter | Value | Uncertainty | Units | Reference |
---|---|---|---|---|
RA | 217.3266477 | decimal | ||
DEC | -3.4444994 | decimal | ||
Host Star Metallicity | 0.01 | 0.09 | Mancini et al. 2018 | |
Host Star log(g) | 4.45 | 0.01 | Log10(cgs) | Mancini et al. 2018 |
Host Star Radius [R_Sun] | 0.94 | 0.02 | Sol | Mancini et al. 2018 |
Host Star Effective Temperature [K] | 5485.0 | 50.0 | K | Mancini et al. 2018 |
a/Rs | 11.55 | 0.13 | Fischer et al. 2016 | |
eccentricity | 0.048 | Bonomo et al. 2017 | ||
inclination [degrees] | 87.32 | 0.17 | deg | Mancini et al. 2018 |
omega [degrees] | 0.0 | deg | Ricci et al. 2015 | |
orbital period [days] | 4.05527892 | 8.6e-07 | day | Ivshina & Winn 2022 |
Rp | 14.34 | 0.45 | R_Earth | Mancini et al. 2018 |
Rp/Rs | 0.1522 | 0 | ExoFOP-TESS TOI | |
ephemeris [JD] | 2456401.39763 | 0.00013 | BJD-TDB | Ivshina & Winn 2022 |
Previously Published Mid-Transit Times
Value | Uncertainty | Units | Reference |
---|---|---|---|
2455342.969547167 | 0.00031316666666666667 | BJD-TDB, HJD | Mancini et al. 2018, Bonomo et al. 2017, Fischer et al. 2016, Maciejewski et al. 2016, Ricci et al. 2015, Faedi et al. 2011 |
2456401.39763 | 0.00013 | BJD-TDB | Ivshina & Winn 2022 |
2459694.285977 | 0.000804 | BJD | ExoFOP-TESS TOI |
Observations

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9743 | 0.0097 |
Am2 | 0.0175 | 0.0037 |
a/Rs | 10.93 | 0.36 |
Rp/Rs | 0.162 | 0.014 |
ephemeris [JD] | 2455991.7978 | 0.0048 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.6594385824351594 | |
u1 | -2.8782260850011236 | |
u2 | 3.5305103903295443 | |
u3 | -1.3117228351548755 | |
duration | 0.0947 | 0.0054 |
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 | HTAB (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.943 | 0.012 |
Am2 | 0.038 | 0.019 |
a/Rs | 10.91 | 0.35 |
Rp/Rs | 0.134 | 0.019 |
ephemeris [JD] | 2455999.9279 | 0.0045 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.6595567524160935 | |
u1 | -2.877973344632505 | |
u2 | 3.530120351252497 | |
u3 | -1.311703706433193 | |
duration | 0.1203 | 0.0054 |
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 | KMSA (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.922 | 0.018 |
Am2 | 0.062 | 0.028 |
a/Rs | 12.2 | 0.32 |
Rp/Rs | 0.16 | 0.02 |
ephemeris [JD] | 2456429.7831 | 0.006 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.6591871755103442 | |
u1 | -2.876891001055407 | |
u2 | 3.5286898725587195 | |
u3 | -1.3109859944320799 | |
duration | 0.1071 | 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 | LIGA (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.007 | 0.016 |
Am2 | -0.0038 | 0.0035 |
a/Rs | 12.04 | 0.35 |
Rp/Rs | 0.153 | 0.013 |
ephemeris [JD] | 2456433.8345 | 0.0034 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.6599618141270933 | |
u1 | -2.8785113957258557 | |
u2 | 3.5303647051392963 | |
u3 | -1.3118150709340002 | |
duration | 0.1082 | 0.0045 |
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 | BDAL (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.12 | 0.67 |
Am2 | -0.002 | 0.055 |
a/Rs | 12.07 | 0.38 |
Rp/Rs | 0.002 | 0.086 |
ephemeris [JD] | 2456498.742 | 0.012 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.6593012809678878 | |
u1 | -2.876962227374823 | |
u2 | 3.5287724771653957 | |
u3 | -1.3111114781756528 | |
duration | 0.08 | 0.012 |
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 | MRAE (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.79 | 0.2 |
Am2 | 0.14 | 0.37 |
a/Rs | 10.94 | 0.38 |
Rp/Rs | 0.289 | 0.087 |
ephemeris [JD] | 2456794.78 | 0.012 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.6589424680702058 | |
u1 | -2.8768196547974676 | |
u2 | 3.52910651222255 | |
u3 | -1.3112292729075028 | |
duration | 0.133 | 0.012 |
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 | YLUA (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.006 | 0.01 |
Am2 | -0.0035 | 0.0018 |
a/Rs | 10.91 | 0.31 |
Rp/Rs | 0.1237 | 0.0096 |
ephemeris [JD] | 2457459.8328 | 0.0036 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.660190080085242 | |
u1 | -2.8796982269103903 | |
u2 | 3.5320070063689966 | |
u3 | -1.3124988069128425 | |
duration | 0.1186 | 0.0046 |
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 | SGDA (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.281 | 0.013 |
Am2 | -0.179 | 0.039 |
a/Rs | 10.9 | 0.27 |
Rp/Rs | 0.173 | 0.015 |
ephemeris [JD] | 2457893.7407 | 0.0033 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.671944229178762 | |
u1 | -2.9269748501306014 | |
u2 | 3.5943501804889015 | |
u3 | -1.339319505977071 | |
duration | 0.125 | 0.0041 |
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 | CGIE (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.137 | 0.014 |
Am2 | 0.004 | 0.018 |
a/Rs | 10.93 | 0.36 |
Rp/Rs | 0.13 | 0.014 |
ephemeris [JD] | 2458262.7716 | 0.0047 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.9345132880650333 | |
u1 | -3.4593843922974257 | |
u2 | 3.9635124622205904 | |
u3 | -1.4386412989272594 | |
duration | 0.1189 | 0.0053 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
CV | Clear (unfiltered) reduced to V sequence | 350.0 nm | 850.0 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | FMAA (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.13 | 0.014 |
Am2 | 0.011 | 0.025 |
a/Rs | 12.19 | 0.35 |
Rp/Rs | 0.143 | 0.016 |
ephemeris [JD] | 2458627.7322 | 0.0046 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.9507491125481453 | |
u1 | -3.52306799139392 | |
u2 | 4.046012977925009 | |
u3 | -1.4736940387889428 | |
duration | 0.1049 | 0.0046 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
CV | Clear (unfiltered) reduced to V sequence | 350.0 nm | 850.0 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | FMAA (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.1653 | 0.0097 |
Am2 | -0.029 | 0.014 |
a/Rs | 10.9 | 0.13 |
Rp/Rs | 0.1754 | 0.0069 |
ephemeris [JD] | 2458992.7237 | 0.0017 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.950320690072288 | |
u1 | -3.5214858809791023 | |
u2 | 4.043816892435182 | |
u3 | -1.4726516412708 | |
duration | 0.1256 | 0.0019 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter | Detail | Min | Max |
---|---|---|---|
CV | Clear (unfiltered) reduced to V sequence | 350.0 nm | 850.0 nm |
Organization | Observer Code | Secondary Observers |
---|---|---|
AAVSO | FMAA (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.9948 | 0.0068 |
Am2 | 0.0045 | 0.0042 |
a/Rs | 10.9 | 0.13 |
Rp/Rs | 0.157 | 0.0053 |
ephemeris [JD] | 2459296.8718 | 0.0017 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.9355617888520875 | |
u1 | -3.4624517899817917 | |
u2 | 3.967055227931771 | |
u3 | -1.4401651676883374 | |
duration | 0.1233 | 0.0019 |
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 | KADB (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.0242 | 0.0093 |
Am2 | -0.0152 | 0.0056 |
a/Rs | 10.91 | 0.27 |
Rp/Rs | 0.1512 | 0.0082 |
ephemeris [JD] | 2459296.868 | 0.0026 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.9353730845535404 | |
u1 | -3.461680811089547 | |
u2 | 3.966232947550952 | |
u3 | -1.4399251619134694 | |
duration | 0.1225 | 0.0039 |
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 | FMAA (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.995 | 0.017 |
Am2 | 0.0004 | 0.005 |
a/Rs | 10.9 | 0.26 |
Rp/Rs | 0.176 | 0.01 |
ephemeris [JD] | 2459661.8435 | 0.0031 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.9347820833243576 | |
u1 | -3.4597533671930276 | |
u2 | 3.963756822379238 | |
u3 | -1.438785479445989 | |
duration | 0.1257 | 0.004 |
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 | FMAA (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.118 | 0.016 |
Am2 | -0.078 | 0.028 |
a/Rs | 10.91 | 0.29 |
Rp/Rs | 0.189 | 0.015 |
ephemeris [JD] | 2459665.8922 | 0.0036 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.6600379453631515 | |
u1 | -2.8788700583955076 | |
u2 | 3.5308939740253407 | |
u3 | -1.3120618083785645 | |
duration | 0.1273 | 0.0045 |
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 | RDUA (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.068 | 0.011 |
Am2 | -0.049 | 0.012 |
a/Rs | 11.04 | 0.31 |
Rp/Rs | 0.159 | 0.011 |
ephemeris [JD] | 2459669.9457 | 0.0029 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.9510279740198724 | |
u1 | -3.524430375651021 | |
u2 | 4.047790428960985 | |
u3 | -1.4743879670130582 | |
duration | 0.1216 | 0.0045 |
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 | KADB (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.601 | 0.019 |
Am2 | -0.295 | 0.029 |
a/Rs | 12.16 | 0.37 |
Rp/Rs | 0.128 | 0.051 |
ephemeris [JD] | 2459730.77 | 0.012 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 2.31647995697856 | |
u1 | -4.104653213682716 | |
u2 | 4.3171560634006045 | |
u3 | -1.5289827423658102 | |
duration | 0.099 | 0.0094 |
Not 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 | LPAC (collaborate/publish) |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.258 | 0.015 |
Am2 | -0.127 | 0.018 |
a/Rs | 11.34 | 0.38 |
Rp/Rs | 0.15 | 0.048 |
ephemeris [JD] | 2459730.789 | 0.0094 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.6597484696148508 | |
u1 | -2.878238527536387 | |
u2 | 3.530202006840044 | |
u3 | -1.311711896314399 | |
duration | 0.1148 | 0.0081 |
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 | GSAD (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.011 | 0.015 |
Am2 | -0.0078 | 0.0069 |
a/Rs | 10.91 | 0.34 |
Rp/Rs | 0.121 | 0.02 |
ephemeris [JD] | 2459730.7844 | 0.0038 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.935790266075681 | |
u1 | -3.4627352761214567 | |
u2 | 3.9675354905964224 | |
u3 | -1.4405904214297607 | |
duration | 0.1167 | 0.0047 |
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 | KADB (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.332 | 0.014 |
Am2 | -0.145 | 0.021 |
a/Rs | 10.93 | 0.37 |
Rp/Rs | 0.166 | 0.053 |
ephemeris [JD] | 2459730.7825 | 0.0092 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.9504207970856222 | |
u1 | -3.521865767273438 | |
u2 | 4.04428267969111 | |
u3 | -1.4728376492387865 | |
duration | 0.1183 | 0.009 |
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 | 1.0067 | 0.0071 |
Am2 | -0.0076 | 0.0089 |
a/Rs | 10.9 | 0.14 |
Rp/Rs | 0.1647 | 0.0081 |
ephemeris [JD] | 2460030.8739 | 0.0018 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.935710458626248 | |
u1 | -3.46286667545356 | |
u2 | 3.9677285033719976 | |
u3 | -1.440572227420923 | |
duration | 0.1244 | 0.0022 |
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 | KMUA (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.25634 | 0.001 |
Am2 | 1.0 | 0.49 |
a/Rs | 11.53 | 0.38 |
Rp/Rs | 0.119 | 0.088 |
ephemeris [JD] | 2460095.759 | 0.012 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.9360855995483635 | |
u1 | -3.4636474342449852 | |
u2 | 3.968421207957544 | |
u3 | -1.4408593141268384 | |
duration | 0.111 | 0.011 |
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 | TKVA (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 0.979 | 0.016 |
Am2 | 0.014 | 0.027 |
a/Rs | 11.5 | 0.37 |
Rp/Rs | 0.157 | 0.022 |
ephemeris [JD] | 2460095.7664 | 0.0086 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.9512478419090644 | |
u1 | -3.5247407916690214 | |
u2 | 4.047995969785301 | |
u3 | -1.4745029597055037 | |
duration | 0.1148 | 0.0055 |
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 | KMUA (collaborate/publish) | MOBS |

Parameter | Value | Uncertainty |
---|---|---|
Am1 | 1.013 | 0.013 |
Am2 | 0.0072 | 0.0093 |
a/Rs | 10.93 | 0.3 |
Rp/Rs | 0.152 | 0.016 |
ephemeris [JD] | 2460099.8183 | 0.0037 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 1.9510377725817627 | |
u1 | -3.5242254926689403 | |
u2 | 4.047465063998636 | |
u3 | -1.4742772835995295 | |
duration | 0.1171 | 0.0033 |
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 | 1.0013 | 0.0026 |
Am2 | 0 | |
a/Rs | 10.901 | 0.096 |
Rp/Rs | 0.1458 | 0.0026 |
ephemeris [JD] | 2459706.45032 | 0.00097 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 2.5525798882763704 | |
u1 | -4.515368123554888 | |
u2 | 4.539933360027554 | |
u3 | -1.5771450570987584 | |
duration | 0.1219 | 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 | 1.0013 | 0.0024 |
Am2 | 0 | |
a/Rs | 10.901 | 0.097 |
Rp/Rs | 0.1457 | 0.0024 |
ephemeris [JD] | 2459714.56113 | 0.0009 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 2.553268546224284 | |
u1 | -4.516647659655695 | |
u2 | 4.540788630212163 | |
u3 | -1.5774094491177295 | |
duration | 0.1215 | 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 | 1.0004 | 0.0024 |
Am2 | 0 | |
a/Rs | 11.01 | 0.12 |
Rp/Rs | 0.1456 | 0.0024 |
ephemeris [JD] | 2459702.39614 | 0.0009 |
eccentricity | 0.048 | |
inclination [degrees] | 87.32 | |
omega [degrees] | 0.0 | |
orbital period [days] | 4.05527892 | |
u0 | 2.55357999664075 | |
u1 | -4.517828551427768 | |
u2 | 4.54236131473068 | |
u3 | -1.578112692257204 | |
duration | 0.1201 | 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 |
---|---|---|
EPW | TESS (collaborate/publish) |