results
K2-295 b
Total Reductions to Date: 7
Date Processed: 09/18/2023 at 00:07:19 (PDT)
Exoplanet Watch Ephemeris
| Parameter | Value | Uncertainty |
|---|---|---|
| Orbital Period (Days) | 4.024890249246737 | 1.8821402302988592e-06 |
| Ephemeris (BJD_TDB) | 2459886.8210302093 | 0.0011632574222498837 |
| Time saved (hours) | 0.0025 |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 19.6101417 | decimal | ||
| DEC | 6.8167277 | decimal | ||
| Host Star Metallicity | 0.14 | 0.12 | Smith et al. 2019 | |
| Host Star log(g) | 4.63 | 0.12 | Log10(cgs) | Smith et al. 2019 |
| Host Star Radius [R_Sun] | 0.67 | 0.05 | Sol | Kruse et al. 2019 |
| Host Star Effective Temperature [K] | 4444.0 | 70.0 | K | Smith et al. 2019 |
| a/Rs | 13.49 | 0.35 | Kruse et al. 2019 | |
| eccentricity | 0.0 | Smith et al. 2019 | ||
| inclination [degrees] | 89.3 | 0.46 | deg | Smith et al. 2019 |
| omega [degrees] | 0.0 | deg | Kruse et al. 2019 | |
| orbital period [days] | 4.0248883 | 6e-06 | day | Kruse et al. 2019 |
| Rp | 9.56 | 0.71 | R_Earth | Kruse et al. 2019 |
| Rp/Rs | 0.1479 | 0 | Kruse et al. 2019 | |
| ephemeris [JD] | 2457395.41392 | 6.1e-05 | BJD | Kruse et al. 2019 |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2457395.4139666664 | 6.599999999999999e-05 | BJD, BJD-TDB | Kruse et al. 2019, Smith et al. 2019, Petigura et al. 2018 |
| 2459496.405619 | 0.001058 | BJD | ExoFOP-TESS TOI |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.961 | 0.027 |
| Am2 | 0.0289 | 0.0073 |
| a/Rs | 11.75 | 1.01 |
| Rp/Rs | 0.138 | 0.027 |
| ephemeris [JD] | 2459218.6866 | 0.007 |
| eccentricity | 0.0 | |
| inclination [degrees] | 89.3 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.0248883 | |
| u0 | 1.3040201530479298 | |
| u1 | -2.184695677909876 | |
| u2 | 2.84449595663199 | |
| u3 | -0.9638203893837511 | |
| duration | 0.124 | 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 | PAIB (collaborate/publish) | MOBS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.027 | 0.039 |
| Am2 | -0.001 | 0.02 |
| a/Rs | 11.78 | 1.03 |
| Rp/Rs | 0.134 | 0.049 |
| ephemeris [JD] | 2459528.615 | 0.012 |
| eccentricity | 0.0 | |
| inclination [degrees] | 89.3 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.0248883 | |
| u0 | 1.3035643597759938 | |
| u1 | -2.1827816211348154 | |
| u2 | 2.8417590705669262 | |
| u3 | -0.9625417668625944 | |
| duration | 0.1137 | 0.01 |
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 | WMIF (collaborate/publish) | MOBS |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.017 | 0.033 |
| Am2 | -0.013 | 0.026 |
| a/Rs | 13.94 | 1.02 |
| Rp/Rs | 0.133 | 0.038 |
| ephemeris [JD] | 2459532.623 | 0.01 |
| eccentricity | 0.0 | |
| inclination [degrees] | 89.3 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.0248883 | |
| u0 | 1.3034545545206164 | |
| u1 | -2.18117476601142 | |
| u2 | 2.8395828578968834 | |
| u3 | -0.9618626040929978 | |
| duration | 0.1007 | 0.0084 |
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 | MJOP (collaborate/publish) | MOBS , KJUA |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.8442 | 0.0056 |
| Am2 | 0.139 | 0.08 |
| a/Rs | 12.7 | 0.98 |
| Rp/Rs | 0.099 | 0.025 |
| ephemeris [JD] | 2459878.7764 | 0.0086 |
| eccentricity | 0.0 | |
| inclination [degrees] | 89.3 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.0248883 | |
| u0 | 2.1349839135004003 | |
| u1 | -3.668725111586843 | |
| u2 | 3.8856551422521237 | |
| u3 | -1.3519138862649074 | |
| duration | 0.1021 | 0.0087 |
Not 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 | LPAC (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.209 | 0.03 |
| Am2 | -0.153 | 0.05 |
| a/Rs | 11.75 | 0.71 |
| Rp/Rs | 0.144 | 0.019 |
| ephemeris [JD] | 2459882.8077 | 0.0036 |
| eccentricity | 0.0 | |
| inclination [degrees] | 89.3 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.0248883 | |
| u0 | 1.9821159483771844 | |
| u1 | -3.352382017083214 | |
| u2 | 3.6367312429720258 | |
| u3 | -1.266465120074478 | |
| duration | 0.1242 | 0.008 |
Included in ephemeris calculations
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| NA | Custom | 690.0 nm | 819.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | DSCC (collaborate/publish) | BPAG |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.947 | 0.012 |
| Am2 | 0.046 | 0.049 |
| a/Rs | 15.07 | 1.02 |
| Rp/Rs | 0.12 | 0.037 |
| ephemeris [JD] | 2459882.7968 | 0.0097 |
| eccentricity | 0.0 | |
| inclination [degrees] | 89.3 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.0248883 | |
| u0 | 2.134618700396278 | |
| u1 | -3.6671641828719013 | |
| u2 | 3.8838652621016765 | |
| u3 | -1.3513197217519508 | |
| duration | 0.094 | 0.0073 |
Not 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 | LPAC (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.061 | 0.012 |
| Am2 | -0.052 | 0.047 |
| a/Rs | 14.66 | 1.03 |
| Rp/Rs | 0.143 | 0.016 |
| ephemeris [JD] | 2459886.8168 | 0.0067 |
| eccentricity | 0.0 | |
| inclination [degrees] | 89.3 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 4.0248883 | |
| u0 | 2.135291133743585 | |
| u1 | -3.669437292448058 | |
| u2 | 3.886820095449941 | |
| u3 | -1.3526738788273356 | |
| duration | 0.0979 | 0.0071 |
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 | LPAC (collaborate/publish) |
