| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HD 149026 DR2 1331356474971716992 J16302962+3820503 |
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| RA | 16:30:29.6184 | DEC | +38:20:50.310 | ||
| Parallax 13.153 mas |
P.M. RA -77.899 mas/y |
P.M. DEC 52.564 mas/y |
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| MagV 8.14 |
MagR* 7.808 |
MagI* 7.505 |
MagJ 7.118 |
MagH 6.899 |
MagK 6.819 |
| MagG 8.014 |
MagGBP 8.324 |
MagGRP 7.588 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
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|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2457217.64141 ± 0.00011 BJDTDB |
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| Period 2.8758885 ± 1.4e-07 days |
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| Transit Parameters | |||||
| Carter et al. 2009 | |||||
| Rp/Rs 0.0542 ± 0.0009 |
a/Rs 6.01 +0.17 -0.23 |
i 84.5 +0.3 -0.8 deg |
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| e - |
ω - deg |
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| DepthR* 3.53 mmag |
Duration* 3.25 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 | |||||
| Torres et al. 2008 | |||||
| Teff 6160.0 +50.0 -50.0 K |
Log(g) 4.28 +0.04 -0.06 cm/s2 |
Fe/H 0.36 +0.08 -0.08 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 8.96" | ||||
| Total Observations (Recent) | 36 (2) | ||||
| O-C | 1.63 ± 3.33 minutes | ||||
| ExoClock Observations (Recent) | 5 (2) | ||||
| Space Observations (Recent) | 14 (0) | ||||
| ETD Observations (Recent) | 1 (0) | ||||
| Literature Mid-times (Recent) | 16 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.05146 ± 0.00015 | ||||
ExoClock Observations |
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| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| HD149026b (MEDIUM) 2023-07-14 | Mark van der Grijp Trevinca Observatory | William Optics FLT132 Poseidon-M Pro / R / 90.0 | 4.43 ± 7.63 | |
| HD149026b (MEDIUM) 2023-05-29 | Lionel Rousselot Private observatory Vierzon | Newton 250/1000 ZWO 533 monochrome / rpr / 30.0 | -4.05 ± 7.2 | |
| HD149026b (MEDIUM) 2022-04-07 | Alvaro Fornas Silva Centro Astronómico Alto Turia (CAAT). MPC J57 | Planewave CDK 17" Sbig STXL 11002 / Lum / 30.0 | 2.77 ± 4.32 | |
| HD149026b (MEDIUM) 2021-06-11 | Carmelo Falco GALHassin Robotic Telescope 2 (GRT2) | Giacometti-Fogale RC16 Andor Apogee Aspen CG16M / zpr / 30.0 | -0.25 ± 1.58 | |
| HD149026b (MEDIUM) 2020-07-21 | Carmelo Falco GALHassin Robotic Telescope 2 (GRT2) | Giacometti-Fogale RC16 Andor Apogee Aspen CG16M / Clear / 60.0 | 2.2 ± 3.46 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| HD149026b (MEDIUM) 2020-06-05 | TESS | 0.29 ± 0.56 | ||
| HD149026b (MEDIUM) 2020-06-03 | TESS | 0.49 ± 0.56 | ||
| HD149026b (MEDIUM) 2020-05-31 | TESS | -0.81 ± 0.59 | ||
| HD149026b (MEDIUM) 2020-05-28 | TESS | -0.69 ± 0.49 | ||
| HD149026b (MEDIUM) 2020-05-25 | TESS | -0.16 ± 0.53 | ||
| HD149026b (MEDIUM) 2020-05-22 | TESS | -0.27 ± 0.48 | ||
| HD149026b (MEDIUM) 2020-05-19 | TESS | 0.51 ± 0.56 | ||
| HD149026b (MEDIUM) 2020-05-16 | TESS | 1.72 ± 0.56 | ||
| HD149026b (MEDIUM) 2020-05-11 | TESS | -0.26 ± 0.52 | ||
| HD149026b (MEDIUM) 2020-05-08 | TESS | -0.13 ± 0.59 | ||
| HD149026b (MEDIUM) 2020-05-05 | TESS | 0.18 ± 0.58 | ||
| HD149026b (MEDIUM) 2020-04-26 | TESS | 1.04 ± 0.6 | ||
| HD149026b (MEDIUM) 2020-04-23 | TESS | -1.5 ± 0.58 | ||
| HD149026b (MEDIUM) 2020-04-20 | TESS | -0.22 ± 0.58 | ||
ETD Observations |
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| Planet Observation Date |
Observer(s) | ETD link | O-C minutes |
|
| HD149026b (MEDIUM) 2016-06-28 | Florian Signoret, Jean-Bernard Pioppa | 1468004686 | -0.01 ± 1.58 | |
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
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| 2008-05-11 | Knutson et al. 2009 | 1.46 ± 0.58 | ||
| 2008-03-20 | Carter et al. 2009 | 1.58 ± 0.68 | ||
| 2008-02-09 | Carter et al. 2009 | -1.3 ± 0.49 | ||
| 2007-12-25 | Carter et al. 2009 | 0.3 ± 0.33 | ||
| 2007-12-22 | Carter et al. 2009 | -0.22 ± 0.43 | ||
| 2007-09-12 | Stevenson et al. 2012 | 0.07 ± 0.72 | ||
| 2007-08-14 | Nutzman et al. 2009 | -0.96 ± 0.72 | ||
| 2007-06-21 | Winn et al. 2008 | -2.28 ± 2.45 | ||
| 2007-06-18 | Winn et al. 2008 | 0.58 ± 3.02 | ||
| 2006-04-27 | Winn et al. 2008 | 0.34 ± 3.46 | ||
| 2005-07-02 | Charbonneau et al. 2006 | 1.35 ± 3.31 | ||
| 2005-07-02 | Charbonneau et al. 2006 | -0.66 ± 1.44 | ||
| 2005-06-09 | Winn et al. 2008 | 0.07 ± 4.46 | ||
| 2005-06-06 | Winn et al. 2008 | -3.69 ± 3.02 | ||
| 2005-06-06 | Charbonneau et al. 2006 | -4.27 ± 1.73 | ||
| 2005-05-14 | Winn et al. 2008 | 2.94 ± 3.17 | ||