| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
WASP-47 DR2 2613413008919918976 J22044873-1201079 |
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| RA | 22:04:48.7262 | DEC | -12:01:08.000 | ||
| Parallax 3.75 mas |
P.M. RA 15.023 mas/y |
P.M. DEC -41.309 mas/y |
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| MagV 11.99 |
MagR 11.82 |
MagI* 11.161 |
MagJ 10.613 |
MagH 10.31 |
MagK 10.192 |
| MagG 11.789 |
MagGBP 12.198 |
MagGRP 11.239 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2457182.61643 ± 0.00015 BJDTDB |
|||||
| Period 4.15915035 ± 6.3e-07 days |
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| Transit Parameters | |||||
| Vanderburg et al. 2017 | |||||
| Rp/Rs 0.10193 ± 0.00021 |
a/Rs 9.7 +0.04 -0.04 |
i 88.98 +0.2 -0.2 deg |
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| e - |
ω - deg |
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| DepthR* 14.01 mmag |
Duration* 3.57 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 | |||||
| Hellier et al. 2012 | |||||
| Teff 5350.0 +90.0 -90.0 K |
Log(g) 4.35 +0.03 -0.03 cm/s2 |
Fe/H 0.18 +0.07 -0.07 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 5.41" | ||||
| Total Observations (Recent) | 20 (1) | ||||
| O-C | 0.22 ± 0.32 minutes | ||||
| ExoClock Observations (Recent) | 10 (1) | ||||
| Space Observations (Recent) | 8 (0) | ||||
| ETD Observations (Recent) | 1 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | 0.10154 ± 0.00015 | ||||
| TESS Rp/Rs | 0.10122 ± 0.00082 | ||||
ExoClock Observations |
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| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| WASP-47b (MEDIUM) 2022-09-21 | David Arnot OSO PIRATE | PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph FLI ProLine KAF-16803 / R / 50.0 | 0.21 ± 1.58 | |
| WASP-47b (MEDIUM) 2021-10-20 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | -1.84 ± 1.01 | |
| WASP-47b (MEDIUM) 2021-09-25 | Anaël Wünsche El Sauce Observatory | CDK Planewave Chili Moravian G4 16k / Lum / 120.0 | 1.19 ± 0.86 | |
| WASP-47b (MEDIUM) 2021-09-25 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 1.05 ± 1.01 | |
| WASP-47b (MEDIUM) 2021-08-31 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 0.76 ± 1.15 | |
| WASP-47b (MEDIUM) 2021-08-06 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 3.5 ± 1.01 | |
| WASP-47b (MEDIUM) 2021-07-12 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 0.19 ± 1.15 | |
| WASP-47b (MEDIUM) 2020-09-19 | Carmelo Falco GALHassin Robotic Telescope 2 (GRT2) | Giacometti-Fogale RC16 Andor Apogee Aspen CG16M / R / 45.0 | -2.29 ± 1.73 | |
| WASP-47b (MEDIUM) 2020-08-30 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | -0.35 ± 0.86 | |
| WASP-47b (MEDIUM) 2020-08-26 | Carmelo Falco GALHassin Robotic Telescope 2 (GRT2) | Giacometti-Fogale RC16 Andor Apogee Aspen CG16M / R / 45.0 | 2.46 ± 1.44 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| WASP-47b (MEDIUM) 2021-09-12 | TESS | -2.35 ± 1.09 | ||
| WASP-47b (MEDIUM) 2021-09-08 | TESS | -2.13 ± 1.07 | ||
| WASP-47b (MEDIUM) 2021-09-04 | TESS | -0.03 ± 1.07 | ||
| WASP-47b (MEDIUM) 2021-08-22 | TESS | 1.01 ± 1.07 | ||
| WASP-47b (MEDIUM) 2014-12-28 | K2 | 0.25 ± 0.24 | ||
| WASP-47b (MEDIUM) 2014-11-29 | K2 | 0.01 ± 0.23 | ||
| WASP-47b (MEDIUM) 2014-11-25 | K2 | -0.67 ± 0.22 | ||
| WASP-47b (MEDIUM) 2014-11-21 | K2 | -0.58 ± 0.36 | ||
ETD Observations |
||||
| Planet Observation Date |
Observer(s) | ETD link | O-C minutes |
|
| WASP-47b (MEDIUM) 2019-08-25 | Pau Bosch | 1567097360 | 4.23 ± 1.3 | |
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2011-07-21 | Hellier et al. 2012 | 0.91 ± 0.32 | ||