| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
WASP-57 DR2 6340377202215639936 J14551682-0203275 |
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| RA | 14:55:16.8228 | DEC | -02:03:27.599 | ||
| Parallax 2.483 mas |
P.M. RA -27.064 mas/y |
P.M. DEC -4.687 mas/y |
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| MagV 13.04 |
MagR 12.9 |
MagI 12.243 |
MagJ 11.625 |
MagH 11.292 |
MagK 11.244 |
| MagG 12.729 |
MagGBP 13.094 |
MagGRP 12.215 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
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|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2456410.57496 ± 0.00012 BJDTDB |
|||||
| Period 2.838918 ± 4.9e-07 days |
|||||
| Transit Parameters | |||||
| Southworth et al. 2015 | |||||
| Rp/Rs 0.1182 ± 0.0013 |
a/Rs 8.75 +0.23 -0.22 |
i 86.0 +0.3 -0.3 deg |
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| e - |
ω - deg |
||||
| DepthR* 16.71 mmag |
Duration* 2.33 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 | |||||
| Faedi et al. 2013 | |||||
| Teff 5600.0 +100.0 -100.0 K |
Log(g) 4.57 +0.01 -0.01 cm/s2 |
Fe/H -0.25 +0.1 -0.1 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | LOW | ||||
| Minimum aperture | 7.63" | ||||
| Total Observations (Recent) | 35 (4) | ||||
| O-C | 0.65 ± 0.45 minutes | ||||
| ExoClock Observations (Recent) | 17 (4) | ||||
| Space Observations (Recent) | 0 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 18 (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-57b (LOW) 2024-03-07 | Carmelo Falco Racalmuto - G. Lemaitre Observatory | Ritchey-Chrétien 16” F/8 + RM500 Mount Andor Aspen CG16M / Lum / 60.0 | 4.6 ± 3.89 | |
| WASP-57b (LOW) 2023-07-04 | Rodrigo Boufleur Pico dos Dias | Boller & Chivens Andor iKon-L CCD / R / 120.0 | 1.86 ± 1.05 | |
| WASP-57b (LOW) 2023-07-04 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 0.03 ± 1.15 | |
| WASP-57b (LOW) 2023-06-14 | Jean-Pascal Vignes Deep Sky Chile | PlaneWave CDK 17" QHYCCD 600 M / Lum / 120.0 | 2.0 ± 1.41 | |
| WASP-57b (LOW) 2023-03-01 | Leon Bewersdorff Observatory Kipshoven (BLEW) | GSO Ritchey-Chrétien QHY268M-PH / V / 180.0 | 4.11 ± 5.9 | |
| WASP-57b (LOW) 2023-03-01 | David Quiles David Quiles Observatory | Celestron EDGEHD 800 Omegon veTEC 571M / R / 120.0 | 0.22 ± 2.3 | |
| WASP-57b (LOW) 2023-03-01 | Adam Popowicz Otivar dome2 | Newton 12" ASA ASI ZWO 1600MM / R / 202.0 | -1.22 ± 1.73 | |
| WASP-57b (LOW) 2022-04-08 | Taewoo Kim Deokheung Optical Astronomy Observatory | NYSC 1m Telescope FLI PL-16803 or PI SOPHIA-2048B / R / 120.0 | 0.32 ± 0.72 | |
| WASP-57b (LOW) 2022-04-02 | Marc Serrau A77 Dauban | Celestron 11 ST8-XME / Clear / 120.0 | -6.83 ± 4.32 | |
| WASP-57b (LOW) 2022-03-14 | Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81) | Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Lum / 90.0 | 1.13 ± 2.45 | |
| WASP-57b (LOW) 2021-04-21 | Billy Edwards Sliding Spring Observatory | LCO Meade SBIG STX6303 / rpr / 90.288 | -3.67 ± 2.16 | |
| WASP-57b (LOW) 2021-04-13 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 0.16 ± 1.01 | |
| WASP-57b (LOW) 2021-03-27 | Adrian Jones Private Observatory (I64) | Meade ACF 30cm QSI 583 / R / 200.0 | 1.18 ± 2.45 | |
| WASP-57b (LOW) 2021-03-10 | Yves Jongen Rasteau Observatory | Plane Wave CDK 17" SBIG STXL 11002 / Lum / 120.0 | 1.62 ± 1.58 | |
| WASP-57b (LOW) 2020-05-10 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Clear / 120.0 | -0.36 ± 1.15 | |
| WASP-57b (LOW) 2020-03-23 | Manfred Raetz privat observatory Herges-Hallenberg | SCT 280 /1790 (Celestron C11 with reducer) Moravian Instruments G2-1600 / Clear / 120.0 | -2.22 ± 1.3 | |
| WASP-57b (LOW) 2015-05-28 | Anaël Wünsche Observatoire des Baronnies Provençales | Astelco FLIPL230 / V / 120.0 | -1.99 ± 1.01 | |
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2014-06-25 | Southworth et al. 2015 | 1.24 ± 0.56 | ||
| 2014-06-25 | Southworth et al. 2015 | 0.98 ± 0.49 | ||
| 2014-06-25 | Southworth et al. 2015 | 0.69 ± 0.24 | ||
| 2014-06-25 | Southworth et al. 2015 | 0.21 ± 0.32 | ||
| 2014-06-25 | Southworth et al. 2015 | -1.13 ± 0.3 | ||
| 2014-06-10 | Southworth et al. 2015 | 2.66 ± 1.44 | ||
| 2014-05-19 | Southworth et al. 2015 | -0.39 ± 0.27 | ||
| 2012-05-11 | Southworth et al. 2015 | 0.67 ± 0.33 | ||
| 2012-05-11 | Southworth et al. 2015 | 0.0 ± 0.6 | ||
| 2012-05-11 | Southworth et al. 2015 | -0.31 ± 0.56 | ||
| 2012-05-11 | Southworth et al. 2015 | -0.88 ± 2.06 | ||
| 2012-04-01 | Southworth et al. 2015 | 0.38 ± 0.24 | ||
| 2012-04-01 | Southworth et al. 2015 | -1.62 ± 0.6 | ||
| 2012-03-15 | Southworth et al. 2015 | -1.83 ± 0.5 | ||
| 2011-06-11 | Southworth et al. 2015 | 0.6 ± 0.36 | ||
| 2011-06-11 | Southworth et al. 2015 | -1.07 ± 0.4 | ||
| 2011-06-05 | Faedi et al. 2013 | -0.1 ± 0.29 | ||
| 2011-05-05 | Southworth et al. 2015 | -0.01 ± 0.79 | ||