| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
G 9-40 DR2 684992690384102528 J08585232+2104344 |
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| RA | 08:58:52.3299 | DEC | +21:04:34.202 | ||
| Parallax 35.778 mas |
P.M. RA 175.512 mas/y |
P.M. DEC -318.469 mas/y |
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| MagV 13.821 |
MagR 12.683 |
MagI 12.135 |
MagJ 10.058 |
MagH 9.433 |
MagK 9.19 |
| MagG 12.733 |
MagGBP 14.118 |
MagGRP 11.583 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2458319.65105 ± 0.00013 BJDTDB |
|||||
| Period 5.7459996 ± 2e-06 days |
|||||
| Transit Parameters | |||||
| Stefansson et al. 2020 | |||||
| Rp/Rs 0.0605 ± 0.0026 |
a/Rs 27.0 +5.4 -3.7 |
i 88.57 +0.63 -0.47 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 4.26 mmag |
Duration* 1.33 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Stefansson et al. 2020 | |||||
| Teff 3348.0 +32.0 -32.0 K |
Log(g) 4.93 +0.03 -0.03 cm/s2 |
Fe/H 0.04 +0.1 -0.11 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 26.13" | ||||
| Total Observations (Recent) | 22 (2) | ||||
| O-C | -0.33 ± 1.36 minutes | ||||
| ExoClock Observations (Recent) | 3 (2) | ||||
| Space Observations (Recent) | 18 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | 0.06027 ± 0.00037 | ||||
| TESS Rp/Rs | 0.0598 ± 0.0021 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| G9-40b (MEDIUM) 2024-03-12 | Javier Flores Martín Calar Alto Hispano en Andalucia | Multi Array of Combinate Telescope (MARCOT) ZWO1600MM / Lum / 60.0 | 2.29 ± 2.02 | |
| G9-40b (MEDIUM) 2024-02-18 | Javier Flores Martín Calar Alto Hispano en Andalucia | Multi Array of Combinate Telescope (MARCOT) ZWO1600MM / Lum / 60.0 | -3.04 ± 2.02 | |
| G9-40b (MEDIUM) 2023-02-21 | Dim Stouraitis Galilaios | SCT SXVF-H9 Starlight-Xpress / R / 130.0 | 0.1 ± 4.46 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| G9-40b (MEDIUM) 2021-12-29 | TESS | -3.55 ± 2.45 | ||
| G9-40b (MEDIUM) 2021-12-12 | TESS | -0.38 ± 2.3 | ||
| G9-40b (MEDIUM) 2021-12-06 | TESS | -0.67 ± 1.87 | ||
| G9-40b (MEDIUM) 2021-11-30 | TESS | -0.24 ± 2.45 | ||
| G9-40b (MEDIUM) 2021-11-25 | TESS | 0.34 ± 3.02 | ||
| G9-40b (MEDIUM) 2021-11-19 | TESS | 1.92 ± 4.75 | ||
| G9-40b (MEDIUM) 2021-11-13 | TESS | -0.09 ± 2.3 | ||
| G9-40b (MEDIUM) 2021-11-02 | TESS | 1.63 ± 2.59 | ||
| G9-40b (MEDIUM) 2021-10-27 | TESS | 1.2 ± 5.04 | ||
| G9-40b (MEDIUM) 2021-10-15 | TESS | -9.75 ± 13.68 | ||
| G9-40b (MEDIUM) 2018-02-20 | K2 | -1.22 ± 0.95 | ||
| G9-40b (MEDIUM) 2018-02-15 | K2 | -0.27 ± 0.86 | ||
| G9-40b (MEDIUM) 2018-02-09 | K2 | -0.76 ± 0.58 | ||
| G9-40b (MEDIUM) 2018-01-23 | K2 | -0.77 ± 0.85 | ||
| G9-40b (MEDIUM) 2018-01-17 | K2 | 0.26 ± 1.37 | ||
| G9-40b (MEDIUM) 2018-01-11 | K2 | 0.02 ± 0.52 | ||
| G9-40b (MEDIUM) 2017-12-19 | K2 | 1.43 ± 1.21 | ||
| G9-40b (MEDIUM) 2017-12-08 | K2 | 0.84 ± 0.75 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2019-01-14 | Stefansson et al. 2020 | 0.62 ± 0.48 | ||