| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
Kepler-448 DR2 2073860662955260416 J19494889+4100395 |
||||
| RA | 19:49:48.8934 | DEC | +41:00:39.627 | ||
| Parallax 2.475 mas |
P.M. RA 3.041 mas/y |
P.M. DEC 2.598 mas/y |
|||
| MagV 11.51 |
MagR* 11.071 |
MagI* 10.978 |
MagJ 10.461 |
MagH 10.287 |
MagK 10.234 |
| MagG 11.253 |
MagGBP 11.493 |
MagGRP 10.878 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2455711.66072 ± 0.00011 BJDTDB |
|||||
| Period 17.8552276 ± 4.5e-06 days |
|||||
| Transit Parameters | |||||
| Bourrier et al. 2015 | |||||
| Rp/Rs 0.09049 ± 8e-05 |
a/Rs** 18.89 +0.23 -0.22 |
i 88.95 +0.15 -0.25 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 10.37 mmag |
Duration* 7.47 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Bourrier et al. 2015 | |||||
| Teff 6820.0 +120.0 -120.0 K |
Log(g) 4.34 +0.15 -0.15 cm/s2 |
Fe/H 0.09 +0.15 -0.15 dex |
|||
| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | TTVs | ||||
| Minimum aperture | 5.0" | ||||
| Total Observations (Recent) | 73 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 0 (0) | ||||
| Space Observations (Recent) | 73 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | 0.088874 ± 4.3e-05 | ||||
| TESS Rp/Rs | 0.0895 ± 0.0014 | ||||
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
|---|---|---|---|---|
| KOI-12b (TTVs) 2019-09-02 | TESS | 2.04 ± 2.02 | ||
| KOI-12b (TTVs) 2013-04-25 | KEPLER | -0.1 ± 0.46 | ||
| KOI-12b (TTVs) 2013-04-07 | KEPLER | -0.4 ± 0.78 | ||
| KOI-12b (TTVs) 2013-03-20 | KEPLER | 0.88 ± 0.63 | ||
| KOI-12b (TTVs) 2013-03-02 | KEPLER | 0.31 ± 0.52 | ||
| KOI-12b (TTVs) 2013-02-13 | KEPLER | 0.81 ± 0.42 | ||
| KOI-12b (TTVs) 2013-01-08 | KEPLER | 0.33 ± 0.63 | ||
| KOI-12b (TTVs) 2012-12-21 | KEPLER | 1.45 ± 0.46 | ||
| KOI-12b (TTVs) 2012-12-03 | KEPLER | 0.83 ± 0.66 | ||
| KOI-12b (TTVs) 2012-10-28 | KEPLER | 0.89 ± 0.62 | ||
| KOI-12b (TTVs) 2012-10-11 | KEPLER | 1.16 ± 0.71 | ||
| KOI-12b (TTVs) 2012-09-23 | KEPLER | 0.77 ± 0.59 | ||
| KOI-12b (TTVs) 2012-09-05 | KEPLER | 0.8 ± 0.71 | ||
| KOI-12b (TTVs) 2012-08-18 | KEPLER | -0.16 ± 0.5 | ||
| KOI-12b (TTVs) 2012-07-31 | KEPLER | 1.47 ± 0.79 | ||
| KOI-12b (TTVs) 2012-06-25 | KEPLER | -1.85 ± 0.78 | ||
| KOI-12b (TTVs) 2012-06-08 | KEPLER | 1.17 ± 0.55 | ||
| KOI-12b (TTVs) 2012-05-21 | KEPLER | -1.92 ± 1.01 | ||
| KOI-12b (TTVs) 2012-05-03 | KEPLER | -1.46 ± 0.62 | ||
| KOI-12b (TTVs) 2012-04-15 | KEPLER | 0.98 ± 0.4 | ||
| KOI-12b (TTVs) 2012-02-21 | KEPLER | -1.19 ± 0.56 | ||
| KOI-12b (TTVs) 2012-02-04 | KEPLER | -1.61 ± 0.56 | ||
| KOI-12b (TTVs) 2012-01-17 | KEPLER | -1.84 ± 0.81 | ||
| KOI-12b (TTVs) 2011-12-30 | KEPLER | 0.6 ± 0.6 | ||
| KOI-12b (TTVs) 2011-12-12 | KEPLER | 1.79 ± 0.66 | ||
| KOI-12b (TTVs) 2011-11-24 | KEPLER | 1.59 ± 0.66 | ||
| KOI-12b (TTVs) 2011-11-06 | KEPLER | 1.08 ± 0.63 | ||
| KOI-12b (TTVs) 2011-10-20 | KEPLER | 1.57 ± 0.43 | ||
| KOI-12b (TTVs) 2011-10-02 | KEPLER | 1.81 ± 0.62 | ||
| KOI-12b (TTVs) 2011-09-14 | KEPLER | -0.44 ± 0.62 | ||
| KOI-12b (TTVs) 2011-08-27 | KEPLER | -2.17 ± 0.62 | ||
| KOI-12b (TTVs) 2011-08-09 | KEPLER | 0.36 ± 0.63 | ||
| KOI-12b (TTVs) 2011-07-22 | KEPLER | 0.56 ± 0.66 | ||
| KOI-12b (TTVs) 2011-07-04 | KEPLER | -1.56 ± 0.43 | ||
| KOI-12b (TTVs) 2011-06-17 | KEPLER | -1.31 ± 0.62 | ||
| KOI-12b (TTVs) 2011-05-30 | KEPLER | -1.18 ± 0.36 | ||
| KOI-12b (TTVs) 2011-05-12 | KEPLER | -0.15 ± 0.75 | ||
| KOI-12b (TTVs) 2011-04-24 | KEPLER | -2.24 ± 0.66 | ||
| KOI-12b (TTVs) 2011-04-06 | KEPLER | -1.06 ± 0.56 | ||
| KOI-12b (TTVs) 2011-03-01 | KEPLER | -1.9 ± 0.6 | ||
| KOI-12b (TTVs) 2011-02-12 | KEPLER | -3.36 ± 1.02 | ||
| KOI-12b (TTVs) 2011-01-25 | KEPLER | -1.2 ± 0.62 | ||
| KOI-12b (TTVs) 2011-01-07 | KEPLER | -2.78 ± 0.78 | ||
| KOI-12b (TTVs) 2010-12-20 | KEPLER | -3.57 ± 0.78 | ||
| KOI-12b (TTVs) 2010-12-02 | KEPLER | 0.1 ± 0.79 | ||
| KOI-12b (TTVs) 2010-11-14 | KEPLER | -0.76 ± 0.85 | ||
| KOI-12b (TTVs) 2010-10-27 | KEPLER | -2.13 ± 0.56 | ||
| KOI-12b (TTVs) 2010-10-10 | KEPLER | -1.15 ± 0.55 | ||
| KOI-12b (TTVs) 2010-09-22 | KEPLER | -0.29 ± 0.63 | ||
| KOI-12b (TTVs) 2010-09-04 | KEPLER | -2.05 ± 0.68 | ||
| KOI-12b (TTVs) 2010-08-17 | KEPLER | 1.15 ± 0.85 | ||
| KOI-12b (TTVs) 2010-07-30 | KEPLER | -1.71 ± 0.59 | ||
| KOI-12b (TTVs) 2010-07-12 | KEPLER | -0.49 ± 0.53 | ||
| KOI-12b (TTVs) 2010-06-07 | KEPLER | -0.85 ± 0.86 | ||
| KOI-12b (TTVs) 2010-05-02 | KEPLER | -0.25 ± 0.63 | ||
| KOI-12b (TTVs) 2010-04-14 | KEPLER | 0.51 ± 0.73 | ||
| KOI-12b (TTVs) 2010-03-27 | KEPLER | 0.15 ± 0.69 | ||
| KOI-12b (TTVs) 2010-03-09 | KEPLER | -3.25 ± 0.86 | ||
| KOI-12b (TTVs) 2010-02-19 | KEPLER | 1.36 ± 0.6 | ||
| KOI-12b (TTVs) 2010-01-15 | KEPLER | -1.67 ± 0.69 | ||
| KOI-12b (TTVs) 2009-12-28 | KEPLER | 1.07 ± 0.72 | ||
| KOI-12b (TTVs) 2009-12-10 | KEPLER | 0.73 ± 0.59 | ||
| KOI-12b (TTVs) 2009-11-22 | KEPLER | 0.58 ± 0.91 | ||
| KOI-12b (TTVs) 2009-11-04 | KEPLER | 0.51 ± 0.59 | ||
| KOI-12b (TTVs) 2009-10-17 | KEPLER | 1.24 ± 0.85 | ||
| KOI-12b (TTVs) 2009-09-30 | KEPLER | -0.23 ± 0.55 | ||
| KOI-12b (TTVs) 2009-09-12 | KEPLER | 1.79 ± 0.82 | ||
| KOI-12b (TTVs) 2009-08-25 | KEPLER | 2.08 ± 0.42 | ||
| KOI-12b (TTVs) 2009-08-07 | KEPLER | 1.79 ± 0.72 | ||
| KOI-12b (TTVs) 2009-07-20 | KEPLER | -0.16 ± 1.37 | ||
| KOI-12b (TTVs) 2009-06-14 | KEPLER | 1.98 ± 0.48 | ||
| KOI-12b (TTVs) 2009-05-28 | KEPLER | 1.13 ± 0.45 | ||
| KOI-12b (TTVs) 2009-05-10 | KEPLER | 0.92 ± 0.78 | ||