| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HD 146389 DR2 4453211899986180352 J16155036+1001572 |
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| RA | 16:15:50.3652 | DEC | +10:01:57.284 | ||
| Parallax 7.311 mas |
P.M. RA -31.073 mas/y |
P.M. DEC -39.171 mas/y |
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| MagV 9.39 |
MagR 9.22 |
MagI* 8.779 |
MagJ 8.287 |
MagH 8.106 |
MagK 7.998 |
| MagG 9.21 |
MagGBP 9.501 |
MagGRP 8.793 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2456992.04593 ± 0.00096 BJDTDB |
|||||
| Period 6.8718855 ± 4.2e-06 days |
|||||
| Transit Parameters | |||||
| Barros et al. 2011 | |||||
| Rp/Rs 0.0844 ± 0.0011 |
a/Rs** 12.31 +0.13 -0.13 |
i 89.7 +0.3 -0.3 deg |
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| e 0.031 +0.005 -0.004 |
ω 344.0 +18.0 -17.0 deg |
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| DepthR* 9.4 mmag |
Duration* 4.66 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 | |||||
| Barros et al. 2011 | |||||
| Teff 6150.0 +80.0 -80.0 K |
Log(g) 4.27 +0.024 -0.024 cm/s2 |
Fe/H -0.12 +0.07 -0.07 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 5.0" | ||||
| Total Observations (Recent) | 7 (3) | ||||
| O-C | 9.08 ± 1.01 minutes | ||||
| ExoClock Observations (Recent) | 5 (3) | ||||
| Space Observations (Recent) | 0 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 2 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | - | ||||
ExoClock Observations |
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| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| WASP-38b (HIGH) 2025-05-17 | Kyle Carr Walnut Park | Celestron C8 ASI533MM Pro / AstrodonExoPlanet-BB / 10.0 | 9.69 ± 2.02 | |
| WASP-38b (HIGH) 2025-04-06 | Marc Serrau IAU 199 Buthiers | Newton 60cm QHY268 Pro / rpr / 15.0 | 10.86 ± 2.74 | |
| WASP-38b (HIGH) 2025-04-06 | Anaël Wünsche Observatoire des Baronnies Provençales | Astelco2 ZWO ASI6200 / R / 120.0 | 8.45 ± 1.28 | |
| WASP-38b (HIGH) 2021-06-17 | Carmelo Falco GALHassin Robotic Telescope 2 (GRT2) | Giacometti-Fogale RC16 Andor Apogee Aspen CG16M / zpr / 60.0 | 3.48 ± 1.87 | |
| WASP-38b (HIGH) 2021-04-17 | Adrian Jones Private Observatory (I64) | Meade ACF 30cm QSI 583 / R / 60.0 | -7.94 ± 2.3 | |
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2016-05-12 | Wang et al. 2021 | 0.87 ± 1.25 | ||
| 2010-05-19 | Barros et al. 2011 | -0.37 ± 1.07 | ||