| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
Kepler-89 DR2 2076970047474270208 J19491993+4153280 |
||||
| RA | 19:49:19.9344 | DEC | +41:53:28.005 | ||
| Parallax 2.068 mas |
P.M. RA 1.966 mas/y |
P.M. DEC 1.365 mas/y |
|||
| MagV* 12.311 |
MagR* 11.978 |
MagI* 11.656 |
MagJ 11.218 |
MagH 10.957 |
MagK 10.926 |
| MagG 12.188 |
MagGBP 12.494 |
MagGRP 11.734 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2455703.05975 ± 0.00011 BJDTDB |
|||||
| Period 22.3429719 ± 5.2e-06 days |
|||||
| Transit Parameters | |||||
| Weiss et al. 2013 | |||||
| Rp/Rs 0.06802 ± 8e-05 |
a/Rs** 27.3 +0.4 -0.4 |
i 89.87 +0.12 -0.12 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 6.1 mmag |
Duration* 6.67 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Weiss et al. 2013 | |||||
| Teff 6182.0 +58.0 -58.0 K |
Log(g) 4.18 +0.07 -0.07 cm/s2 |
Fe/H 0.023 +0.002 -0.002 dex |
|||
| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH - TTVs | ||||
| Minimum aperture | 10.52" | ||||
| Total Observations (Recent) | 29 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 0 (0) | ||||
| Space Observations (Recent) | 29 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | 0.068162 ± 5.4e-05 | ||||
| TESS Rp/Rs | 0.0723 ± 0.0015 | ||||
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
|---|---|---|---|---|
| KOI-94d (HIGH - TTVs) 2022-08-22 | TESS | -3.57 ± 3.46 | ||
| KOI-94d (HIGH - TTVs) 2022-07-31 | TESS | -0.16 ± 4.32 | ||
| KOI-94d (HIGH - TTVs) 2021-08-07 | TESS | 1.5 ± 4.9 | ||
| KOI-94d (HIGH - TTVs) 2019-08-23 | TESS | 4.53 ± 6.34 | ||
| KOI-94d (HIGH - TTVs) 2013-04-13 | KEPLER | -0.42 ± 0.62 | ||
| KOI-94d (HIGH - TTVs) 2013-03-21 | KEPLER | -0.17 ± 0.52 | ||
| KOI-94d (HIGH - TTVs) 2013-02-27 | KEPLER | -0.24 ± 0.39 | ||
| KOI-94d (HIGH - TTVs) 2013-02-05 | KEPLER | 0.73 ± 0.55 | ||
| KOI-94d (HIGH - TTVs) 2013-01-13 | KEPLER | -0.09 ± 0.43 | ||
| KOI-94d (HIGH - TTVs) 2012-06-26 | KEPLER | -1.6 ± 0.73 | ||
| KOI-94d (HIGH - TTVs) 2012-06-04 | KEPLER | 0.73 ± 0.48 | ||
| KOI-94d (HIGH - TTVs) 2012-04-20 | KEPLER | 0.0 ± 0.53 | ||
| KOI-94d (HIGH - TTVs) 2012-01-22 | KEPLER | 0.36 ± 0.6 | ||
| KOI-94d (HIGH - TTVs) 2011-06-12 | KEPLER | 0.1 ± 0.52 | ||
| KOI-94d (HIGH - TTVs) 2011-05-21 | KEPLER | 0.59 ± 0.48 | ||
| KOI-94d (HIGH - TTVs) 2011-04-29 | KEPLER | -0.05 ± 0.43 | ||
| KOI-94d (HIGH - TTVs) 2011-04-06 | KEPLER | -1.26 ± 0.46 | ||
| KOI-94d (HIGH - TTVs) 2011-02-21 | KEPLER | -0.32 ± 0.65 | ||
| KOI-94d (HIGH - TTVs) 2011-01-29 | KEPLER | -1.86 ± 1.73 | ||
| KOI-94d (HIGH - TTVs) 2011-01-07 | KEPLER | 2.44 ± 0.52 | ||
| KOI-94d (HIGH - TTVs) 2010-06-20 | KEPLER | -0.53 ± 0.58 | ||
| KOI-94d (HIGH - TTVs) 2010-05-29 | KEPLER | -1.35 ± 0.46 | ||
| KOI-94d (HIGH - TTVs) 2010-05-06 | KEPLER | 0.61 ± 0.43 | ||
| KOI-94d (HIGH - TTVs) 2010-04-14 | KEPLER | 1.62 ± 0.58 | ||
| KOI-94d (HIGH - TTVs) 2010-03-23 | KEPLER | 0.15 ± 0.55 | ||
| KOI-94d (HIGH - TTVs) 2010-02-28 | KEPLER | -0.38 ± 0.48 | ||
| KOI-94d (HIGH - TTVs) 2009-12-23 | KEPLER | -0.86 ± 0.5 | ||
| KOI-94d (HIGH - TTVs) 2009-06-05 | KEPLER | -0.55 ± 0.45 | ||
| KOI-94d (HIGH - TTVs) 2009-05-14 | KEPLER | 0.98 ± 0.6 | ||