| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HATS-42 DR2 5603100779728361088 J07134857-3326143 |
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| RA | 07:13:48.5748 | DEC | -33:26:14.401 | ||
| Parallax 1.221 mas |
P.M. RA 0.759 mas/y |
P.M. DEC -2.879 mas/y |
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| MagV 13.62 |
MagR 13.61 |
MagI* 12.937 |
MagJ 12.543 |
MagH 12.281 |
MagK 12.245 |
| MagG 13.563 |
MagGBP 13.881 |
MagGRP 13.089 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2459003.40854 ± 0.00031 BJDTDB |
|||||
| Period 2.29210331 ± 6e-07 days |
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| Transit Parameters | |||||
| Bento et al. 2018 | |||||
| Rp/Rs 0.0976 ± 0.004 |
a/Rs 5.36 +0.39 -0.56 |
i 85.1 +2.1 -2.1 deg |
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| e - |
ω - deg |
||||
| DepthR* 11.96 mmag |
Duration* 3.29 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 | |||||
| Bento et al. 2018 | |||||
| Teff 6060.0 +120.0 -120.0 K |
Log(g) 4.2 +0.07 -0.07 cm/s2 |
Fe/H 0.22 +0.07 -0.07 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 10.36" | ||||
| Total Observations (Recent) | 39 (0) | ||||
| O-C | -0.33 ± 1.06 minutes | ||||
| ExoClock Observations (Recent) | 10 (0) | ||||
| Space Observations (Recent) | 28 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.0966 ± 0.0012 | ||||
ExoClock Observations |
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| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| HATS-42b (MEDIUM) 2024-11-27 | Hao-Yuan Duan Lulin, Taiwan | reflector player one / I / 90.0 | -2.03 ± 6.91 | |
| HATS-42b (MEDIUM) 2024-11-23 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -2.3 ± 2.16 | |
| HATS-42b (MEDIUM) 2024-01-30 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | 0.37 ± 1.24 | |
| HATS-42b (MEDIUM) 2023-12-22 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | 4.3 ± 1.58 | |
| HATS-42b (MEDIUM) 2023-01-10 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 2.0 ± 2.16 | |
| HATS-42b (MEDIUM) 2022-03-18 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -2.86 ± 4.32 | |
| HATS-42b (MEDIUM) 2022-03-02 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -5.41 ± 3.46 | |
| HATS-42b (MEDIUM) 2022-02-07 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -0.04 ± 1.73 | |
| HATS-42b (MEDIUM) 2022-01-22 | Anaël Wünsche El Sauce Observatory | CDK Planewave Chili Moravian G4 16k / Lum / 120.0 | 0.71 ± 1.87 | |
| HATS-42b (MEDIUM) 2022-01-22 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -3.46 ± 1.58 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| HATS-42b (MEDIUM) 2023-02-11 | TESS | -0.09 ± 3.6 | ||
| HATS-42b (MEDIUM) 2023-02-08 | TESS | 0.21 ± 3.74 | ||
| HATS-42b (MEDIUM) 2023-02-04 | TESS | -2.23 ± 3.31 | ||
| HATS-42b (MEDIUM) 2023-02-02 | TESS | 0.22 ± 4.03 | ||
| HATS-42b (MEDIUM) 2023-01-28 | TESS | 1.53 ± 3.89 | ||
| HATS-42b (MEDIUM) 2023-01-26 | TESS | -2.07 ± 5.47 | ||
| HATS-42b (MEDIUM) 2023-01-23 | TESS | -2.21 ± 5.9 | ||
| HATS-42b (MEDIUM) 2023-01-21 | TESS | -3.5 ± 4.9 | ||
| HATS-42b (MEDIUM) 2021-02-07 | TESS | -3.89 ± 3.89 | ||
| HATS-42b (MEDIUM) 2021-02-05 | TESS | 1.16 ± 3.6 | ||
| HATS-42b (MEDIUM) 2021-02-03 | TESS | 5.34 ± 5.18 | ||
| HATS-42b (MEDIUM) 2021-01-31 | TESS | -0.85 ± 3.6 | ||
| HATS-42b (MEDIUM) 2021-01-29 | TESS | -1.13 ± 4.18 | ||
| HATS-42b (MEDIUM) 2021-01-24 | TESS | 1.9 ± 2.45 | ||
| HATS-42b (MEDIUM) 2021-01-22 | TESS | 1.33 ± 5.62 | ||
| HATS-42b (MEDIUM) 2021-01-20 | TESS | 0.18 ± 3.02 | ||
| HATS-42b (MEDIUM) 2021-01-18 | TESS | -2.55 ± 4.9 | ||
| HATS-42b (MEDIUM) 2021-01-15 | TESS | -3.12 ± 3.89 | ||
| HATS-42b (MEDIUM) 2021-01-11 | TESS | 0.63 ± 3.6 | ||
| HATS-42b (MEDIUM) 2021-01-08 | TESS | -3.54 ± 2.88 | ||
| HATS-42b (MEDIUM) 2021-01-06 | TESS | -6.7 ± 2.59 | ||
| HATS-42b (MEDIUM) 2021-01-04 | TESS | 0.93 ± 3.17 | ||
| HATS-42b (MEDIUM) 2021-01-02 | TESS | 2.52 ± 3.89 | ||
| HATS-42b (MEDIUM) 2020-12-28 | TESS | 2.1 ± 2.88 | ||
| HATS-42b (MEDIUM) 2020-12-26 | TESS | -0.2 ± 3.02 | ||
| HATS-42b (MEDIUM) 2020-12-23 | TESS | 1.39 ± 3.46 | ||
| HATS-42b (MEDIUM) 2020-12-21 | TESS | 7.87 ± 5.18 | ||
| HATS-42b (MEDIUM) 2020-12-19 | TESS | 0.97 ± 3.17 | ||
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2014-04-21 | Bento et al. 2018 | 0.44 ± 0.99 | ||