| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HATS-9 DR2 4083159643769233408 J19231442-2009587 |
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| RA | 19:23:14.4314 | DEC | -20:09:58.849 | ||
| Parallax 1.538 mas |
P.M. RA 8.566 mas/y |
P.M. DEC -6.992 mas/y |
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| MagV 13.276 |
MagR* 12.854 |
MagI* 12.425 |
MagJ 11.885 |
MagH 11.558 |
MagK 11.479 |
| MagG 13.098 |
MagGBP 13.519 |
MagGRP 12.535 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2457357.71849 ± 0.00021 BJDTDB |
|||||
| Period 1.9153111 ± 1e-06 days |
|||||
| Transit Parameters | |||||
| Brahm et al. 2015 | |||||
| Rp/Rs 0.072 ± 0.004 |
a/Rs 4.36 +0.1 -0.25 |
i 86.5 +1.6 -2.5 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 6.89 mmag |
Duration* 3.53 hours |
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|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
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| Limb Darkening Parameters | |||||
| Brahm et al. 2015 | |||||
| Teff 5366.0 +70.0 -70.0 K |
Log(g) 4.09 +0.04 -0.04 cm/s2 |
Fe/H 0.34 +0.05 -0.05 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 13.55" | ||||
| Total Observations (Recent) | 31 (1) | ||||
| O-C | -1.64 ± 2.69 minutes | ||||
| ExoClock Observations (Recent) | 8 (1) | ||||
| Space Observations (Recent) | 22 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | 0.08258 ± 0.00016 | ||||
| TESS Rp/Rs | - | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| HATS-9b (MEDIUM) 2026-04-25 | Dawid Chudzik DeepSkyChile - ROTUZ | PlanewWave CDK 20 QHY600M pro / R / 180.0 | -0.29 ± 3.17 | |
| HATS-9b (MEDIUM) 2024-08-06 | Adam Popowicz Otivar dome2 | Newton 12" ASA ASI ZWO 1600MM / V / 202.0 | -3.42 ± 9.79 | |
| HATS-9b (MEDIUM) 2024-08-01 | Charles Miller Miller Observatory | Meade 12" LX850 QHY268M / R / 90.0 | -5.67 ± 5.9 | |
| HATS-9b (MEDIUM) 2023-06-26 | Adam Popowicz Otivar dome2 | Newton 12" ASA ASI ZWO 1600MM / R / 202.0 | 6.61 ± 5.33 | |
| HATS-9b (MEDIUM) 2023-05-05 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | 2.15 ± 1.87 | |
| HATS-9b (MEDIUM) 2022-08-08 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -2.37 ± 3.46 | |
| HATS-9b (MEDIUM) 2021-09-28 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 0.4 ± 1.73 | |
| HATS-9b (MEDIUM) 2021-07-02 | Adam Popowicz Observatory Pyskowice | RC12" GSO ASI ZWO 1600 MM / ATIK 11000M / R / 163.0 | -1.17 ± 4.32 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| HATS-9b (MEDIUM) 2015-12-22 | K2 | -3.36 ± 0.96 | ||
| HATS-9b (MEDIUM) 2015-12-12 | K2 | -2.01 ± 1.27 | ||
| HATS-9b (MEDIUM) 2015-12-10 | K2 | -3.33 ± 1.04 | ||
| HATS-9b (MEDIUM) 2015-11-25 | K2 | -1.74 ± 1.44 | ||
| HATS-9b (MEDIUM) 2015-11-21 | K2 | 0.17 ± 0.89 | ||
| HATS-9b (MEDIUM) 2015-11-15 | K2 | -0.81 ± 0.6 | ||
| HATS-9b (MEDIUM) 2015-11-13 | K2 | 3.33 ± 1.11 | ||
| HATS-9b (MEDIUM) 2015-11-12 | K2 | -0.73 ± 0.59 | ||
| HATS-9b (MEDIUM) 2015-11-10 | K2 | 0.69 ± 0.58 | ||
| HATS-9b (MEDIUM) 2015-11-08 | K2 | -0.27 ± 0.66 | ||
| HATS-9b (MEDIUM) 2015-11-06 | K2 | 1.33 ± 0.66 | ||
| HATS-9b (MEDIUM) 2015-11-02 | K2 | -0.08 ± 0.55 | ||
| HATS-9b (MEDIUM) 2015-10-31 | K2 | 1.48 ± 0.71 | ||
| HATS-9b (MEDIUM) 2015-10-27 | K2 | 0.13 ± 0.55 | ||
| HATS-9b (MEDIUM) 2015-10-25 | K2 | 1.25 ± 0.75 | ||
| HATS-9b (MEDIUM) 2015-10-23 | K2 | 0.19 ± 0.62 | ||
| HATS-9b (MEDIUM) 2015-10-21 | K2 | 3.81 ± 2.59 | ||
| HATS-9b (MEDIUM) 2015-10-20 | K2 | 0.15 ± 0.55 | ||
| HATS-9b (MEDIUM) 2015-10-18 | K2 | -1.63 ± 0.5 | ||
| HATS-9b (MEDIUM) 2015-10-16 | K2 | -4.07 ± 1.58 | ||
| HATS-9b (MEDIUM) 2015-10-12 | K2 | 4.42 ± 0.96 | ||
| HATS-9b (MEDIUM) 2015-10-10 | K2 | -1.86 ± 2.02 | ||
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2012-07-15 | Brahm et al. 2015 | 2.3 ± 1.24 | ||