| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HATS-3 DR2 6805886373600546176 J20494978-2425436 |
||||
| RA | 20:49:49.7852 | DEC | -24:25:43.539 | ||
| Parallax 2.404 mas |
P.M. RA 10.426 mas/y |
P.M. DEC 15.62 mas/y |
|||
| MagV 12.43 |
MagR* 11.692 |
MagI* 11.826 |
MagJ 10.98 |
MagH 10.719 |
MagK 10.694 |
| MagG 11.891 |
MagGBP 12.165 |
MagGRP 11.465 |
|||
| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2456712.98064 ± 0.00015 BJDTDB |
|||||
| Period 3.54785024 ± 4.7e-07 days |
|||||
| Transit Parameters | |||||
| Bayliss et al. 2013 | |||||
| Rp/Rs 0.1011 ± 0.0006 |
a/Rs 7.42 +0.12 -0.12 |
i 86.2 +0.3 -0.3 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 12.65 mmag |
Duration* 3.62 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Bayliss et al. 2013 | |||||
| Teff 6351.0 +76.0 -76.0 K |
Log(g) 4.22 +0.01 -0.01 cm/s2 |
Fe/H -0.16 +0.07 -0.07 dex |
|||
| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 5.22" | ||||
| Total Observations (Recent) | 17 (2) | ||||
| O-C | 2.37 ± 0.73 minutes | ||||
| ExoClock Observations (Recent) | 8 (2) | ||||
| Space Observations (Recent) | 7 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 2 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.09685 ± 0.0007 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| HATS-3b (MEDIUM) 2025-08-26 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | 3.26 ± 1.38 | |
| HATS-3b (MEDIUM) 2025-06-30 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 180.0 | 2.27 ± 1.87 | |
| HATS-3b (MEDIUM) 2024-07-14 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 2.35 ± 1.15 | |
| HATS-3b (MEDIUM) 2024-07-14 | Malcolm Park Atacama BackYard Observatory | Celestron 11"Edge HD ZWO ASI2600mm Pro / Clear / 120.0 | 1.08 ± 1.73 | |
| HATS-3b (MEDIUM) 2023-08-12 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -2.01 ± 1.37 | |
| HATS-3b (MEDIUM) 2023-05-08 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -3.34 ± 1.73 | |
| HATS-3b (MEDIUM) 2021-06-01 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 2.71 ± 1.15 | |
| HATS-3b (MEDIUM) 2020-10-10 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 1.58 ± 1.58 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| HATS-3b (MEDIUM) 2018-08-21 | TESS | -2.38 ± 1.58 | ||
| HATS-3b (MEDIUM) 2018-08-14 | TESS | -0.14 ± 1.37 | ||
| HATS-3b (MEDIUM) 2018-08-10 | TESS | 0.96 ± 1.14 | ||
| HATS-3b (MEDIUM) 2018-08-07 | TESS | -1.2 ± 1.3 | ||
| HATS-3b (MEDIUM) 2018-08-03 | TESS | 1.63 ± 1.22 | ||
| HATS-3b (MEDIUM) 2018-07-31 | TESS | -0.3 ± 1.2 | ||
| HATS-3b (MEDIUM) 2018-07-27 | TESS | 0.3 ± 1.11 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2021-05-18 | Edwards et al. 2021 | 0.84 ± 2.45 | ||
| 2012-08-16 | Addison et al. 2014 | -0.05 ± 0.2 | ||