| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HAT-P-42 DR2 583455604761166848 J09012265+0605500 |
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| RA | 09:01:22.6490 | DEC | +06:05:50.015 | ||
| Parallax 2.44 mas |
P.M. RA -2.911 mas/y |
P.M. DEC -33.389 mas/y |
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| MagV 12.17 |
MagR 12.02 |
MagI* 11.44 |
MagJ 10.96 |
MagH 10.677 |
MagK 10.626 |
| MagG 12.003 |
MagGBP 12.354 |
MagGRP 11.508 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2458941.87092 ± 0.0002 BJDTDB |
|||||
| Period 4.64183885 ± 8.7e-07 days |
|||||
| Transit Parameters | |||||
| Boisse et al. 2013 | |||||
| Rp/Rs 0.086 ± 0.003 |
a/Rs 8.1 +0.8 -0.5 |
i 85.9 +1.3 -0.8 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 8.94 mmag |
Duration* 4.04 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
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| Limb Darkening Parameters | |||||
| Boisse et al. 2013 | |||||
| Teff 5743.0 +50.0 -50.0 K |
Log(g) 4.14 +0.07 -0.07 cm/s2 |
Fe/H 0.27 +0.08 -0.08 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 7.81" | ||||
| Total Observations (Recent) | 33 (2) | ||||
| O-C | -0.15 ± 1.27 minutes | ||||
| ExoClock Observations (Recent) | 6 (2) | ||||
| Space Observations (Recent) | 26 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.08425 ± 0.00045 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| HAT-P-42b (MEDIUM) 2024-01-20 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -2.36 ± 1.73 | |
| HAT-P-42b (MEDIUM) 2023-03-19 | Aziz Ettahar Kaeouach High Atlas Observatory | PlaneWave CDK 12.5 Zwo asi 294 mm pro / R / 120.0 | 6.23 ± 7.92 | |
| HAT-P-42b (MEDIUM) 2022-02-22 | Fran Campos Puig d'Agulles Observtory | RC14" on EQ8 German mount SBIG ST-8XME / R / 177.0 | 3.01 ± 3.46 | |
| HAT-P-42b (MEDIUM) 2022-02-22 | Adrian Jones Private Observatory (I64) | Meade ACF 30cm QSI 583 / R / 150.0 | 2.0 ± 2.74 | |
| HAT-P-42b (MEDIUM) 2022-02-22 | Martin Crow Burnham Observatory | Celestron C9.25 SX694 mono / R / 120.0 | 1.43 ± 4.32 | |
| HAT-P-42b (MEDIUM) 2021-03-21 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 0.04 ± 2.74 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| HAT-P-42b (MEDIUM) 2021-12-29 | TESS | 1.52 ± 1.58 | ||
| HAT-P-42b (MEDIUM) 2021-12-24 | TESS | 3.02 ± 2.16 | ||
| HAT-P-42b (MEDIUM) 2021-12-20 | TESS | -0.67 ± 1.73 | ||
| HAT-P-42b (MEDIUM) 2021-12-15 | TESS | -2.92 ± 2.02 | ||
| HAT-P-42b (MEDIUM) 2021-12-10 | TESS | 0.02 ± 2.16 | ||
| HAT-P-42b (MEDIUM) 2021-12-06 | TESS | 1.08 ± 1.87 | ||
| HAT-P-42b (MEDIUM) 2021-12-01 | TESS | -1.6 ± 1.87 | ||
| HAT-P-42b (MEDIUM) 2021-11-26 | TESS | 0.04 ± 2.02 | ||
| HAT-P-42b (MEDIUM) 2021-11-22 | TESS | 2.11 ± 2.74 | ||
| HAT-P-42b (MEDIUM) 2021-11-17 | TESS | -1.57 ± 2.16 | ||
| HAT-P-42b (MEDIUM) 2021-11-12 | TESS | -0.22 ± 2.02 | ||
| HAT-P-42b (MEDIUM) 2021-11-08 | TESS | 0.84 ± 1.87 | ||
| HAT-P-42b (MEDIUM) 2021-11-03 | TESS | -2.41 ± 2.16 | ||
| HAT-P-42b (MEDIUM) 2021-10-29 | TESS | 0.95 ± 1.87 | ||
| HAT-P-42b (MEDIUM) 2021-10-20 | TESS | -1.81 ± 2.3 | ||
| HAT-P-42b (MEDIUM) 2021-10-16 | TESS | -2.62 ± 2.45 | ||
| HAT-P-42b (MEDIUM) 2021-02-07 | TESS | -0.32 ± 2.3 | ||
| HAT-P-42b (MEDIUM) 2021-02-02 | TESS | -0.12 ± 2.02 | ||
| HAT-P-42b (MEDIUM) 2021-01-29 | TESS | 0.51 ± 1.87 | ||
| HAT-P-42b (MEDIUM) 2021-01-24 | TESS | 1.29 ± 2.3 | ||
| HAT-P-42b (MEDIUM) 2021-01-19 | TESS | 4.37 ± 2.02 | ||
| HAT-P-42b (MEDIUM) 2021-01-15 | TESS | 0.53 ± 1.73 | ||
| HAT-P-42b (MEDIUM) 2019-02-23 | TESS | -2.22 ± 2.02 | ||
| HAT-P-42b (MEDIUM) 2019-02-14 | TESS | -1.39 ± 1.87 | ||
| HAT-P-42b (MEDIUM) 2019-02-09 | TESS | -0.18 ± 1.73 | ||
| HAT-P-42b (MEDIUM) 2019-02-04 | TESS | 0.31 ± 2.02 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2012-01-26 | Boisse et al. 2013 | 0.19 ± 1.11 | ||