results
HD 80606 b
Total Reductions to Date: 15
Date Processed: 09/06/2025 at 07:00:04 (PDT)
Exoplanet Watch Ephemeris
| Parameter | Value | Uncertainty |
|---|---|---|
| Orbital Period (Days) | 111.44097616646718 | 0.0001777322742050364 |
| Ephemeris (BJD_TDB) | 2459556.840878566 | 0.006852992863944012 |
| Time saved (hours) | 0.1103 |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 140.6569501 | decimal | ||
| DEC | 50.6037764 | decimal | ||
| Host Star Metallicity | 0.3481 | 0.0576 | Rosenthal et al. 2021 | |
| Host Star log(g) | 4.401887 | 0.031944 | Log10(cgs) | Rosenthal et al. 2021 |
| Host Star Radius [R_Sun] | 1.066485 | 0.02432 | Sol | Rosenthal et al. 2021 |
| Host Star Effective Temperature [K] | 5565.89 | 92.19 | K | Rosenthal et al. 2021 |
| a/Rs | 98.38 | 7.32 | Stassun et al. 2017 | |
| eccentricity | 0.93043 | 0.00068 | Rosenthal et al. 2021 | |
| inclination [degrees] | 89.232 | 0.029 | deg | Bonomo et al. 2017 |
| omega [degrees] | -58.946 | 0.25 | deg | Rosenthal et al. 2021 |
| orbital period [days] | 111.43639 | 0.00032 | day | Rosenthal et al. 2021 |
| Rp | 11.24 | 0.26 | R_Earth | Bonomo et al. 2017 |
| Rp/Rs | 0.1049 | 0 | Stassun et al. 2017 | |
| ephemeris [JD] | 2455099.39 | 0.13 | BJD | Rosenthal et al. 2021 |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2455099.39 | 0.13 | BJD | Rosenthal et al. 2021 |
| 2455210.6428 | 0.001 | BJD-TDB | Bonomo et al. 2017 |
| 2454876.316 | 0.023 | BJD | Pont et al. 2009 |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.13 | 0.18 |
| Am2 | -0.09 | 0.17 |
| a/Rs | 101.5 | 21.15 |
| Rp/Rs | 0.003 | 0.061 |
| ephemeris [JD] | 2459445.411 | 0.012 |
| eccentricity | 0.93043 | |
| inclination [degrees] | 89.232 | |
| omega [degrees] | -58.946 | |
| orbital period [days] | 111.43639 | |
| u0 | 1.9593002830834838 | |
| u1 | -3.337822788499899 | |
| u2 | 3.7104992658090823 | |
| u3 | -1.3319767051019187 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | HJEB (collaborate/publish) | BPAG |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.9982 | 0.0051 |
| Am2 | 0.0015 | 0.0053 |
| a/Rs | 80.51 | 1.65 |
| Rp/Rs | 0.2097 | 0.0066 |
| ephemeris [JD] | 2459445.389 | 0.011 |
| eccentricity | 0.93043 | |
| inclination [degrees] | 89.232 | |
| omega [degrees] | -58.946 | |
| orbital period [days] | 111.43639 | |
| u0 | 1.9585663923015981 | |
| u1 | -3.3357397514279157 | |
| u2 | 3.708151549156794 | |
| u3 | -1.3309781347747123 | |
| duration | 0.101 | 0.017 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | SVIG (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0173 | 0.0068 |
| Am2 | -0.0086 | 0.0065 |
| a/Rs | 75.91 | 4.19 |
| Rp/Rs | 0.164 | 0.023 |
| ephemeris [JD] | 2459445.393 | 0.012 |
| eccentricity | 0.93043 | |
| inclination [degrees] | 89.232 | |
| omega [degrees] | -58.946 | |
| orbital period [days] | 111.43639 | |
| u0 | 2.05015524249979 | |
| u1 | -3.6608197169603773 | |
| u2 | 4.069060451179706 | |
| u3 | -1.4583959160853937 | |
| duration | 0.149 | 0.034 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| NA | Custom | 400.0 nm | 900.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | GBRC (collaborate/publish) | UNIS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.999 | 0.011 |
| Am2 | 0.0006 | 0.0041 |
| a/Rs | 84.72 | 17.07 |
| Rp/Rs | 0.149 | 0.052 |
| ephemeris [JD] | 2459445.391 | 0.012 |
| eccentricity | 0.93043 | |
| inclination [degrees] | 89.232 | |
| omega [degrees] | -58.946 | |
| orbital period [days] | 111.43639 | |
| u0 | 2.049868188192537 | |
| u1 | -3.660854897492455 | |
| u2 | 4.069332023729116 | |
| u3 | -1.4583452537914248 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| NA | Custom | 400.0 nm | 900.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | GBRC (collaborate/publish) | UNIS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0118 | 0.0042 |
| Am2 | -0.01 | 0.01 |
| a/Rs | 83.13 | 18.81 |
| Rp/Rs | 0.2 | 0.058 |
| ephemeris [JD] | 2459445.394 | 0.012 |
| eccentricity | 0.93043 | |
| inclination [degrees] | 89.232 | |
| omega [degrees] | -58.946 | |
| orbital period [days] | 111.43639 | |
| u0 | 2.0501082418989793 | |
| u1 | -3.6614848668898405 | |
| u2 | 4.070144513712611 | |
| u3 | -1.458767828071871 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| NA | Custom | 400.0 nm | 900.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | KPEB (collaborate/publish) | UNIS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.085 | 0.028 |
| Am2 | -0.042 | 0.026 |
| a/Rs | 84.6 | 17.9 |
| Rp/Rs | 0.207 | 0.058 |
| ephemeris [JD] | 2459445.393 | 0.012 |
| eccentricity | 0.93043 | |
| inclination [degrees] | 89.232 | |
| omega [degrees] | -58.946 | |
| orbital period [days] | 111.43639 | |
| u0 | 2.0494301542743316 | |
| u1 | -3.659021805519319 | |
| u2 | 4.066984165925462 | |
| u3 | -1.4573924540776884 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| NA | Custom | 400.0 nm | 900.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | MNIG (collaborate/publish) | UNIS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.041 | 0.021 |
| Am2 | -0.0201 | 0.0015 |
| a/Rs | 90.68 | 23.59 |
| Rp/Rs | 0.098 | 0.054 |
| ephemeris [JD] | 2459556.866 | 0.012 |
| eccentricity | 0.93043 | |
| inclination [degrees] | 89.232 | |
| omega [degrees] | -58.946 | |
| orbital period [days] | 111.43639 | |
| u0 | 1.954563379778738 | |
| u1 | -3.4969896134105554 | |
| u2 | 3.967739982066324 | |
| u3 | -1.4253136893105736 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | GDAI (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.986 | 0.014 |
| Am2 | 0.0318 | 0.0027 |
| a/Rs | 95.11 | 7.63 |
| Rp/Rs | 0.195 | 0.02 |
| ephemeris [JD] | 2459556.86 | 0.012 |
| eccentricity | 0.93043 | |
| inclination [degrees] | 89.232 | |
| omega [degrees] | -58.946 | |
| orbital period [days] | 111.43639 | |
| u0 | 2.0148690234290116 | |
| u1 | -3.441132777126712 | |
| u2 | 3.7763029012114306 | |
| u3 | -1.350039091242432 | |
| duration | 0.24959 | 0.00044 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | RJBA (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.02 | 0.014 |
| Am2 | -0.0137 | 0.0022 |
| a/Rs | 128.91 | 23.56 |
| Rp/Rs | 0.036 | 0.051 |
| ephemeris [JD] | 2459556.865 | 0.012 |
| eccentricity | 0.93043 | |
| inclination [degrees] | 89.232 | |
| omega [degrees] | -58.946 | |
| orbital period [days] | 111.43639 | |
| u0 | 1.6813927540869653 | |
| u1 | -2.9285618134673856 | |
| u2 | 3.543803244997795 | |
| u3 | -1.2966341328105915 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | CCHD (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.987 | 0.013 |
| Am2 | 0.009 | 0.012 |
| a/Rs | 126.7 | 21.56 |
| Rp/Rs | 0.158 | 0.062 |
| ephemeris [JD] | 2459445.428 | 0.012 |
| eccentricity | 0.93043 | |
| inclination [degrees] | 89.232 | |
| omega [degrees] | -58.946 | |
| orbital period [days] | 111.43639 | |
| u0 | 1.9587249643449605 | |
| u1 | -3.336343972036659 | |
| u2 | 3.7089866793020523 | |
| u3 | -1.331367616342145 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | HJEB (collaborate/publish) | BPAG |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.97 | 0.015 |
| Am2 | 0.035 | 0.017 |
| a/Rs | 69.48 | 20.56 |
| Rp/Rs | 0.204 | 0.061 |
| ephemeris [JD] | 2459556.837 | 0.012 |
| eccentricity | 0.93043 | |
| inclination [degrees] | 89.232 | |
| omega [degrees] | -58.946 | |
| orbital period [days] | 111.43639 | |
| u0 | 2.050182284378557 | |
| u1 | -3.6614327071873776 | |
| u2 | 4.069977511212945 | |
| u3 | -1.458727027756733 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| NA | Custom | 400.0 nm | 900.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | SMAFA (collaborate/publish) | UNIS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.003 | 0.012 |
| Am2 | -0.0016 | 0.0025 |
| a/Rs | 62.55 | 21.12 |
| Rp/Rs | 0.202 | 0.06 |
| ephemeris [JD] | 2459556.866 | 0.012 |
| eccentricity | 0.93043 | |
| inclination [degrees] | 89.232 | |
| omega [degrees] | -58.946 | |
| orbital period [days] | 111.43639 | |
| u0 | 2.0496442511108897 | |
| u1 | -3.659640143865359 | |
| u2 | 4.067774492247953 | |
| u3 | -1.457778538878919 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| NA | Custom | 400.0 nm | 900.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | GBRC (collaborate/publish) | UNIS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.398 | 0.011 |
| Am2 | -0.24 | 0.17 |
| a/Rs | 122.73 | 21.16 |
| Rp/Rs | 0.166 | 0.061 |
| ephemeris [JD] | 2459556.851 | 0.012 |
| eccentricity | 0.93043 | |
| inclination [degrees] | 89.232 | |
| omega [degrees] | -58.946 | |
| orbital period [days] | 111.43639 | |
| u0 | 1.9414214257588058 | |
| u1 | -3.306575651111175 | |
| u2 | 3.691859103532336 | |
| u3 | -1.3267048231669794 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| NA | Custom | 552.0 nm | 691.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | LGEC (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0025 | 0.0015 |
| Am2 | -0.00168 | 0.00023 |
| a/Rs | 75.36 | 21.03 |
| Rp/Rs | 0.136 | 0.06 |
| ephemeris [JD] | 2459556.862 | 0.012 |
| eccentricity | 0.93043 | |
| inclination [degrees] | 89.232 | |
| omega [degrees] | -58.946 | |
| orbital period [days] | 111.43639 | |
| u0 | 1.954991529245468 | |
| u1 | -3.4987565692739753 | |
| u2 | 3.9701824344371417 | |
| u3 | -1.4264173352483063 | |
| duration | 0 | 0 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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 | 0.9999 | 0.0013 |
| Am2 | 0 | |
| a/Rs | 75.8 | 0.83 |
| Rp/Rs | 0.05443 | 0.0008 |
| ephemeris [JD] | 2458888.20643 | 0.00032 |
| eccentricity | 0.93043 | |
| inclination [degrees] | 89.232 | |
| omega [degrees] | -58.946 | |
| orbital period [days] | 111.43639 | |
| u0 | 2.5501895081230312 | |
| u1 | -4.5001710232892185 | |
| u2 | 4.513713299258467 | |
| u3 | -1.5637317168327103 | |
| duration | 0.686 | 0.013 |
Not included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
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) |