| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
K2-34 DR2 665757593450097920 J08301891+2214092 |
||||
| RA | 08:30:18.9093 | DEC | +22:14:09.293 | ||
| Parallax 2.84 mas |
P.M. RA -14.196 mas/y |
P.M. DEC 1.046 mas/y |
|||
| MagV 11.45 |
MagR* 11.231 |
MagI* 10.82 |
MagJ 10.528 |
MagH 10.258 |
MagK 10.193 |
| MagG 11.436 |
MagGBP 11.732 |
MagGRP 11.002 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2457851.317006 ± 5.2e-05 BJDTDB |
|||||
| Period 2.99563536 ± 2.5e-07 days |
|||||
| Transit Parameters | |||||
| Hirano et al. 2016 | |||||
| Rp/Rs 0.0887 ± 0.0012 |
a/Rs 6.7 +0.4 -0.3 |
i 83.0 +0.7 -0.6 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 8.08 mmag |
Duration* 2.48 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Hirano et al. 2016 | |||||
| Teff 6087.0 +38.0 -38.0 K |
Log(g) 4.11 +0.07 -0.07 cm/s2 |
Fe/H 0.15 +0.04 -0.04 dex |
|||
| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | LOW | ||||
| Minimum aperture | 7.59" | ||||
| Total Observations (Recent) | 52 (4) | ||||
| O-C | 3.11 ± 1.12 minutes | ||||
| ExoClock Observations (Recent) | 8 (4) | ||||
| Space Observations (Recent) | 44 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | 0.08969 ± 0.0001 | ||||
| TESS Rp/Rs | 0.08942 ± 0.00056 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| K2-34b (LOW) 2024-02-09 | Darryl Madison Ajijic Observatory | Celestron CPC 800 Edge HD ZWO2400MC / Clear / 120.0 | 1.01 ± 3.46 | |
| K2-34b (LOW) 2024-02-06 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 5.53 ± 1.58 | |
| K2-34b (LOW) 2024-01-19 | David Bennett Rickford Observatory | GSO RC ZWO ASI2600MM Pro / Clear / 60.0 | 1.66 ± 2.59 | |
| K2-34b (LOW) 2024-01-19 | Adrian Jones Private Observatory (I64) | Meade ACF 30cm QSI 583 / R / 100.0 | -0.36 ± 2.45 | |
| K2-34b (LOW) 2022-01-06 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | -0.98 ± 2.45 | |
| K2-34b (LOW) 2021-12-25 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 0.67 ± 3.6 | |
| K2-34b (LOW) 2021-12-16 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | -0.77 ± 2.88 | |
| K2-34b (LOW) 2019-02-13 | Yves Jongen Rasteau Observatory | Plane Wave CDK 17" SBIG STXL 11002 / V / 120.0 | 4.61 ± 2.45 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| K2-34b (LOW) 2021-12-28 | TESS | 2.92 ± 1.44 | ||
| K2-34b (LOW) 2021-12-25 | TESS | -1.21 ± 1.44 | ||
| K2-34b (LOW) 2021-12-22 | TESS | 1.87 ± 1.58 | ||
| K2-34b (LOW) 2021-12-19 | TESS | -0.26 ± 1.34 | ||
| K2-34b (LOW) 2021-12-13 | TESS | -0.2 ± 1.32 | ||
| K2-34b (LOW) 2021-12-10 | TESS | -1.96 ± 1.31 | ||
| K2-34b (LOW) 2021-12-07 | TESS | -1.33 ± 1.73 | ||
| K2-34b (LOW) 2021-12-01 | TESS | -2.24 ± 1.44 | ||
| K2-34b (LOW) 2021-11-28 | TESS | 1.84 ± 1.73 | ||
| K2-34b (LOW) 2021-11-25 | TESS | -1.13 ± 1.58 | ||
| K2-34b (LOW) 2021-11-16 | TESS | 1.9 ± 1.73 | ||
| K2-34b (LOW) 2021-11-13 | TESS | 1.52 ± 2.16 | ||
| K2-34b (LOW) 2021-11-10 | TESS | 0.25 ± 1.4 | ||
| K2-34b (LOW) 2021-11-04 | TESS | 0.74 ± 1.4 | ||
| K2-34b (LOW) 2021-11-01 | TESS | -0.0 ± 1.58 | ||
| K2-34b (LOW) 2021-10-29 | TESS | -1.39 ± 1.73 | ||
| K2-34b (LOW) 2021-10-23 | TESS | 2.45 ± 1.73 | ||
| K2-34b (LOW) 2021-10-20 | TESS | 0.78 ± 1.58 | ||
| K2-34b (LOW) 2021-10-17 | TESS | 2.27 ± 1.73 | ||
| K2-34b (LOW) 2021-10-14 | TESS | 2.46 ± 1.58 | ||
| K2-34b (LOW) 2018-06-28 | K2 | -0.93 ± 0.43 | ||
| K2-34b (LOW) 2018-06-22 | K2 | 0.35 ± 0.33 | ||
| K2-34b (LOW) 2018-06-16 | K2 | -0.44 ± 0.27 | ||
| K2-34b (LOW) 2018-06-07 | K2 | 0.1 ± 0.29 | ||
| K2-34b (LOW) 2018-06-04 | K2 | -0.03 ± 0.26 | ||
| K2-34b (LOW) 2018-06-01 | K2 | 0.22 ± 0.75 | ||
| K2-34b (LOW) 2018-05-20 | K2 | -0.47 ± 0.35 | ||
| K2-34b (LOW) 2018-05-17 | K2 | 0.07 ± 0.29 | ||
| K2-34b (LOW) 2018-02-25 | K2 | 1.65 ± 0.82 | ||
| K2-34b (LOW) 2018-02-19 | K2 | 0.41 ± 0.43 | ||
| K2-34b (LOW) 2018-02-13 | K2 | 1.18 ± 1.58 | ||
| K2-34b (LOW) 2018-02-07 | K2 | 0.33 ± 0.85 | ||
| K2-34b (LOW) 2018-02-01 | K2 | -0.39 ± 1.04 | ||
| K2-34b (LOW) 2018-01-20 | K2 | -0.23 ± 0.39 | ||
| K2-34b (LOW) 2018-01-14 | K2 | -0.13 ± 0.39 | ||
| K2-34b (LOW) 2018-01-11 | K2 | 0.37 ± 0.46 | ||
| K2-34b (LOW) 2018-01-08 | K2 | -0.76 ± 0.65 | ||
| K2-34b (LOW) 2015-06-03 | K2 | 0.32 ± 0.19 | ||
| K2-34b (LOW) 2015-05-31 | K2 | -0.57 ± 0.35 | ||
| K2-34b (LOW) 2015-05-25 | K2 | -0.18 ± 0.26 | ||
| K2-34b (LOW) 2015-05-22 | K2 | 0.22 ± 0.35 | ||
| K2-34b (LOW) 2015-05-13 | K2 | 0.27 ± 0.45 | ||
| K2-34b (LOW) 2015-05-10 | K2 | 0.54 ± 0.52 | ||
| K2-34b (LOW) 2015-05-01 | K2 | -0.33 ± 0.27 | ||