| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HATS-31 DR2 3498553232585634816 J12464866-2425385 |
||||
| RA | 12:46:48.6784 | DEC | -24:25:38.568 | ||
| Parallax 1.264 mas |
P.M. RA -1.156 mas/y |
P.M. DEC -2.219 mas/y |
|||
| MagV 13.11 |
MagR 13.2 |
MagI* 12.406 |
MagJ 11.912 |
MagH 11.618 |
MagK 11.572 |
| MagG 12.961 |
MagGBP 13.289 |
MagGRP 12.473 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2458193.0945 ± 0.001 BJDTDB |
|||||
| Period 3.3779344 ± 2.8e-06 days |
|||||
| Transit Parameters | |||||
| de Val-Borro et al. 2016 | |||||
| Rp/Rs 0.091 ± 0.005 |
a/Rs 5.5 +0.4 -0.4 |
i 85.0 +2.5 -1.6 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 10.34 mmag |
Duration* 4.64 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| de Val-Borro et al. 2016 | |||||
| Teff 6050.0 +120.0 -120.0 K |
Log(g) 4.0 +0.07 -0.07 cm/s2 |
Fe/H 0.0 +0.07 -0.07 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 9.75" | ||||
| Total Observations (Recent) | 8 (2) | ||||
| O-C | 1.28 ± 1.46 minutes | ||||
| ExoClock Observations (Recent) | 7 (2) | ||||
| Space Observations (Recent) | 0 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | - | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| HATS-31b (MEDIUM) 2024-05-02 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -2.46 ± 1.87 | |
| HATS-31b (MEDIUM) 2024-03-19 | Francois Regembal HRT Deep Sky Chile | Astrosib RC360 Moravian C3 PRO 61000 / Lum / 170.0 | 14.46 ± 5.33 | |
| HATS-31b (MEDIUM) 2023-04-13 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | 5.35 ± 2.59 | |
| HATS-31b (MEDIUM) 2022-02-18 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -6.65 ± 4.32 | |
| HATS-31b (MEDIUM) 2021-06-03 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 4.94 ± 2.88 | |
| HATS-31b (MEDIUM) 2021-03-07 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 0.32 ± 2.3 | |
| HATS-31b (MEDIUM) 2021-02-25 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -5.43 ± 2.74 | |
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2014-10-29 | de Val-Borro et al. 2016 | -0.06 ± 1.58 | ||