results
Kepler-1520 b
Total Reductions to Date: 3
Date Processed: 09/18/2023 at 00:07:19 (PDT)
Exoplanet Watch Ephemeris
| Parameter | Value | Uncertainty |
|---|---|---|
| Orbital Period (Days) | - | - |
| Ephemeris (BJD_TDB) | - | - |
| Time saved (hours) | - |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 290.9662102 | decimal | ||
| DEC | 51.5047656 | decimal | ||
| Host Star Metallicity | -0.18 | 0.3 | Q1-Q17 DR25 KOI Table | |
| Host Star log(g) | 4.56 | 0.04 | Log10(cgs) | Q1-Q17 DR25 Supplemental KOI Table |
| Host Star Radius [R_Sun] | 0.7 | 0.05 | Sol | Berger et al. 2018 |
| Host Star Effective Temperature [K] | 4550.0 | 159.0 | K | Berger et al. 2018 |
| a/Rs | 1.947 | 0.888 | Q1-Q17 DR25 KOI Table | |
| eccentricity | 0.0 | Q1-Q17 DR25 KOI Table | ||
| inclination [degrees] | 50.98 | deg | Q1-Q17 DR25 KOI Table | |
| omega [degrees] | 0.0 | deg | Berger et al. 2018 | |
| orbital period [days] | 0.65355361 | 1.7e-07 | day | Q1-Q17 DR25 Supplemental KOI Table |
| Rp | 24.35 | 78.31 | R_Earth | Berger et al. 2018 |
| Rp/Rs | 0.0678 | 0 | Q1-Q17 DR25 KOI Table | |
| ephemeris [JD] | 2454965.058957 | 0.000206 | BJD | Q1-Q17 DR25 Supplemental KOI Table |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2454965.0590902856 | 0.00021114285714285714 | BJD, JD | Q1-Q17 DR25 Supplemental KOI Table, Q1-Q17 DR25 KOI Table, Holczer et al. 2016, Morton et al. 2016, Q1-Q17 DR24 KOI Table, Q1-Q16 KOI Table, Q1-Q12 KOI Table |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.008 | 0.048 |
| Am2 | -0.003 | 0.02 |
| a/Rs | 1.51 | 2.53 |
| Rp/Rs | 0.135 | 0.039 |
| ephemeris [JD] | 2459711.823 | 0.012 |
| eccentricity | 0.0 | |
| inclination [degrees] | 50.98 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 0.65355361 | |
| u0 | 2.0211278169041336 | |
| u1 | -3.462559567567689 | |
| u2 | 3.7571649152909554 | |
| u3 | -1.3157331086412802 | |
| duration | 0 | 0 |
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 | 0.982 | 0.011 |
| Am2 | 0.018 | 0.037 |
| a/Rs | 1.61 | 2.63 |
| Rp/Rs | 0.123 | 0.039 |
| ephemeris [JD] | 2459756.92 | 0.012 |
| eccentricity | 0.0 | |
| inclination [degrees] | 50.98 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 0.65355361 | |
| u0 | 2.021894782911232 | |
| u1 | -3.4637057907429027 | |
| u2 | 3.7579858131081707 | |
| u3 | -1.3161747492781473 | |
| duration | 0 | 0 |
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 | 0.8995 | 0.0096 |
| Am2 | 0.079 | 0.023 |
| a/Rs | 1.28 | 2.58 |
| Rp/Rs | 0.134 | 0.039 |
| ephemeris [JD] | 2460152.984 | 0.012 |
| eccentricity | 0.0 | |
| inclination [degrees] | 50.98 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 0.65355361 | |
| u0 | 2.1958638936431902 | |
| u1 | -3.754783782278719 | |
| u2 | 3.927474276583714 | |
| u3 | -1.3685543294242581 | |
| duration | 0 | 0 |
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) |
