| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
WASP-2 DR2 1748596020745038208 J20305413+0625463 |
||||
| RA | 20:30:54.1279 | DEC | +06:25:46.338 | ||
| Parallax 6.498 mas |
P.M. RA 5.936 mas/y |
P.M. DEC -48.279 mas/y |
|||
| MagV 11.98 |
MagR* 11.308 |
MagI* 11.024 |
MagJ 10.166 |
MagH 9.752 |
MagK 9.632 |
| MagG 11.564 |
MagGBP 12.047 |
MagGRP 10.946 |
|||
| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2455229.043082 ± 7.5e-05 BJDTDB |
|||||
| Period 2.15222216 ± 1.3e-07 days |
|||||
| Transit Parameters | |||||
| Southworth et al. 2010 | |||||
| Rp/Rs 0.1326 ± 0.0007 |
a/Rs 8.08 +0.12 -0.12 |
i 84.81 +0.17 -0.17 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 19.49 mmag |
Duration* 1.77 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Torres et al. 2008 | |||||
| Teff 5200.0 +200.0 -200.0 K |
Log(g) 4.54 +0.04 -0.05 cm/s2 |
Fe/H 0.1 +0.2 -0.2 dex |
|||
| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | LOW | ||||
| Minimum aperture | 5.0" | ||||
| Total Observations (Recent) | 82 (13) | ||||
| O-C | -1.28 ± 0.21 minutes | ||||
| ExoClock Observations (Recent) | 67 (13) | ||||
| Space Observations (Recent) | 0 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 15 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | - | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| WASP-2b (LOW) 2023-11-03 | Stefano Lora MarSEC | Ritchey Chrétien Moravian G2 Mark II / R / 90.0 | -0.24 ± 1.05 | |
| WASP-2b (LOW) 2023-10-30 | Yen-Hsing Lin NTHU TAT | GSO RC10 Apogee AltaF-6: KAF1001E / Clear / 30.0 | -2.1 ± 1.15 | |
| WASP-2b (LOW) 2023-10-06 | Dominique DANIEL La Montjoie | T250 Skyvision Camera CMOS ZWO ASI2600MC pro (color) / Clear / 90.0 | -0.02 ± 1.44 | |
| WASP-2b (LOW) 2023-09-23 | Michael Irzyk melun | C14 altair 2600 / AstrodonExoPlanet-BB / 40.0 | -1.44 ± 0.73 | |
| WASP-2b (LOW) 2023-09-08 | Claudio Lopresti Claudio Lopresti | Meade LX200 12" CCD Sbig ST9xe / I / 180.0 | 0.25 ± 0.69 | |
| WASP-2b (LOW) 2023-09-08 | Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81) | Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Lum / 60.0 | -1.77 ± 1.58 | |
| WASP-2b (LOW) 2023-09-08 | Francesco Scaggiante Gruppo Astrofili Salese "GALILEO GALILEI" | NEWTON 410/1710 Player One Astronomy Poseidon-M Pro (IMX571) / R / 40.0 | -1.9 ± 1.25 | |
| WASP-2b (LOW) 2023-08-29 | Jean-Pascal Vignes Deep Sky Chile | PlaneWave CDK 17" QHYCCD 600 M / R / 60.0 | -3.13 ± 0.98 | |
| WASP-2b (LOW) 2023-08-11 | Claudio Lopresti Claudio Lopresti | Mak-Newton CCD Sbig ST10xme / R / 240.0 | -1.67 ± 1.04 | |
| WASP-2b (LOW) 2023-08-11 | Miguel Ángel Álava Amat Sarriguren | Meade SC 8" Asi 1600 MM / Clear / 180.0 | -1.8 ± 0.96 | |
| WASP-2b (LOW) 2023-07-29 | Tobias Gesser TURMX Observatory | CFF Telescopes 160mm APO ZWO ASI6200MM Pro / Lum / 60.0 | -1.38 ± 0.81 | |
| WASP-2b (LOW) 2023-07-01 | Adam Popowicz Otivar dome2 | Newton 12" ASA ASI ZWO 1600MM / R / 52.0 | 0.55 ± 1.58 | |
| WASP-2b (LOW) 2023-07-01 | Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81) | Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Lum / 90.0 | -0.03 ± 1.44 | |
| WASP-2b (LOW) 2022-10-31 | Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81) | Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Lum / 60.0 | -0.84 ± 1.17 | |
| WASP-2b (LOW) 2022-10-31 | Adam Popowicz Observatory Pyskowice | RC12" GSO ASI ZWO 1600 MM / ATIK 11000M / R / 120.0 | -5.35 ± 1.87 | |
| WASP-2b (LOW) 2022-10-18 | Sacha Foschino Observatoire des Baronnies Provençales | Planewave 430mm SVO ASI 6200 MM Pro / Clear / 120.0 | 3.15 ± 0.81 | |
| WASP-2b (LOW) 2022-10-18 | Guillaume Biesse MOOL - Micro Ob' of LYON | Astro Professional ED 102/712 Moravian G2-4000 / Clear / 66.0 | -4.15 ± 3.02 | |
| WASP-2b (LOW) 2022-09-20 | Bruno Guillet GBRC | evscope Sony IMX224 / Clear / 119.09991 | -6.61 ± 4.46 | |
| WASP-2b (LOW) 2022-09-05 | Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81) | Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Lum / 90.0 | -1.35 ± 1.15 | |
| WASP-2b (LOW) 2022-08-28 | Andre Kovacs MicroObservatory Cecillia | 152mm Maksutov Kodak KAF-1402ME / Clear / 60.0 | 0.36 ± 2.88 | |
| WASP-2b (LOW) 2022-08-23 | Miguel Ángel Álava Amat Sarriguren | Meade SC 8" Asi 1600 MM / Lum / 180.0 | -1.42 ± 0.96 | |
| WASP-2b (LOW) 2022-08-02 | Andre Kovacs MicroObservatory Cecillia | 152mm Maksutov Kodak KAF-1402ME / Clear / 60.0 | -3.86 ± 2.16 | |
| WASP-2b (LOW) 2022-07-22 | Sheng-Ting Huang 清境觀星園 | Astro-Physics 900GTO ASI6200MM Pro / Lum / 60.0 | -3.13 ± 0.69 | |
| WASP-2b (LOW) 2022-07-14 | Enrique Arce Vallbona Observatory | Newton 10" f4 ZWO ASI 294 MM PRO / Lum / 120.0 | -0.84 ± 1.58 | |
| WASP-2b (LOW) 2022-07-11 | Bernhard Wenzel Vienna | Newton A=30 cm / F=1,2 m DSLR Canon 200 D - 14 Bit / Lum / 100.0 | -2.82 ± 2.45 | |
| WASP-2b (LOW) 2022-06-28 | Yves Jongen Rasteau Observatory | Plane Wave CDK 17" SBIG STXL 11002 / R / 120.0 | -2.49 ± 0.58 | |
| WASP-2b (LOW) 2022-06-16 | Martin Mifsud Manikata Observatory | Meade OTA SBig ST10XME / Clear / 120.0 | 2.45 ± 1.73 | |
| WASP-2b (LOW) 2021-10-28 | Francesco Scaggiante Gruppo Astrofili Salese "GALILEO GALILEI" | NEWTON 410/1710 Custom made with KAF-1603ME CCD sensor / R / 30.0 | -0.9 ± 0.86 | |
| WASP-2b (LOW) 2021-10-15 | Andras Dan Rocca1 | Celestron C8 QHY 183 M / Clear / 60.0 | -1.28 ± 1.15 | |
| WASP-2b (LOW) 2021-10-15 | Claudio Lopresti Claudio Lopresti | Meade LX200 12" CCD Sbig ST9xe / R / 120.0 | -3.59 ± 1.3 | |
| WASP-2b (LOW) 2021-10-07 | Andre Kovacs MicroObservatory Cecillia | 152mm Maksutov Kodak KAF-1402ME / Clear / 60.0 | -2.02 ± 4.32 | |
| WASP-2b (LOW) 2021-09-22 | Andre Kovacs MicroObservatory Cecillia | 152mm Maksutov Kodak KAF-1402ME / Clear / 60.0 | -1.51 ± 3.17 | |
| WASP-2b (LOW) 2021-09-17 | Anaël Wünsche Observatoire des Baronnies Provençales | Astelco FLIPL230 / R / 120.0 | 0.43 ± 0.43 | |
| WASP-2b (LOW) 2021-09-17 | Didier Walliang T50 Astroqueyras | T50 AQ Apogee U16M / Lum / 20.0 | -2.74 ± 1.3 | |
| WASP-2b (LOW) 2021-09-04 | Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81) | Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Clear / 90.0 | -3.56 ± 1.15 | |
| WASP-2b (LOW) 2021-08-20 | Ivo Peretto MarSEC Marana Space Explorer Center | R-C Moravia G2-1600 MkII / Clear / 60.0 | -0.31 ± 1.01 | |
| WASP-2b (LOW) 2021-08-07 | Jean-Baptiste Marquette MrKite47 | Newton Sky-Watcher 200/1000 ZWO ASI183MM Pro / R / 180.0 | -1.42 ± 1.01 | |
| WASP-2b (LOW) 2021-07-23 | Manfred Raetz privat observatory Herges-Hallenberg | SCT 280 /1790 (Celestron C11 with reducer) Moravian Instruments G2-1600 / Clear / 120.0 | -2.92 ± 0.72 | |
| WASP-2b (LOW) 2021-07-11 | Bernhard Wenzel Vienna | Newton A=20 cm / F=0,9 m DSLR Canon 200 D - 14 Bit / Lum / 60.0 | 2.46 ± 5.76 | |
| WASP-2b (LOW) 2021-06-25 | Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81) | Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Clear / 60.0 | -1.06 ± 2.3 | |
| WASP-2b (LOW) 2021-06-13 | Manfred Raetz privat observatory Herges-Hallenberg | SCT 280 /1790 (Celestron C11 with reducer) Moravian Instruments G2-1600 / Clear / 120.0 | 2.29 ± 1.01 | |
| WASP-2b (LOW) 2021-06-13 | Carmelo Falco GALHassin Robotic Telescope 2 (GRT2) | Giacometti-Fogale RC16 Andor Apogee Aspen CG16M / gpr / 60.0 | 1.43 ± 1.87 | |
| WASP-2b (LOW) 2021-06-13 | Carmelo Falco GAL Hassin Robotic Telescope 2 (GRT2) - Multiband | Giacometti-Fogale RC16 - 2 Andor Apogee Aspen CG16M / R / 60.0 | -0.44 ± 1.73 | |
| WASP-2b (LOW) 2021-06-04 | Andre Kovacs MicroObservatory Cecillia | 152mm Maksutov Kodak KAF-1402ME / Clear / 60.0 | -3.05 ± 2.16 | |
| WASP-2b (LOW) 2020-11-09 | Ferran Grau Horta Ca L'Ou | Meade ACF 16'' FLI Proline PL1001 / R / 110.0 | 0.3 ± 0.72 | |
| WASP-2b (LOW) 2020-07-23 | Manfred Raetz Volkssternwarte Kirchheim | Cassegrain 600/4800 Moravian Instruments G2-1600 / Clear / 120.0 | 1.79 ± 0.58 | |
| WASP-2b (LOW) 2020-07-23 | Yves Jongen Rasteau Observatory | Plane Wave CDK 17" SBIG STXL 11002 / R / 120.0 | 0.92 ± 1.01 | |
| WASP-2b (LOW) 2020-07-20 | Dim Stouraitis Galilaios | SCT SXVF-H9 Starlight-Xpress / R / 40.0 | -1.49 ± 1.3 | |
| WASP-2b (LOW) 2020-07-20 | Claudio Lopresti Claudio Lopresti | Mak-Newton CCD Sbig ST10xme / I / 240.0 | -1.64 ± 1.3 | |
| WASP-2b (LOW) 2020-07-07 | Carmelo Falco GALHassin Robotic Telescope 2 (GRT2) | Giacometti-Fogale RC16 Andor Apogee Aspen CG16M / Lum / 30.0 | -0.44 ± 0.43 | |
| WASP-2b (LOW) 2020-07-07 | Didier Laloum Observatoire Privé du Mont (OPM) | RC 8 GSO Atik 383L+ / AstrodonExoPlanet-BB / 120.0 | -2.31 ± 1.01 | |
| WASP-2b (LOW) 2019-09-14 | Anaël Wünsche Observatoire des Baronnies Provençales | Astelco FLIPL230 / Lum / 60.0 | 1.95 ± 0.43 | |
| WASP-2b (LOW) 2019-08-30 | Pavel Pintr Horni Halze | Celestron C9.25 with Hyperstar f2.2 ASI ZWO 1600 MONO / Clear / 90.0 | -0.71 ± 1.58 | |
| WASP-2b (LOW) 2019-08-30 | Bernhard Wenzel Vienna | Newton A=20 cm / F=0,9 m DSLR Canon 200 D - 14 Bit / Lum / 60.0 | -2.87 ± 3.46 | |
| WASP-2b (LOW) 2018-09-11 | Anaël Wünsche Observatoire des Baronnies Provençales | CDK Planewave SBIG STL11K / Clear / 120.0 | -1.38 ± 0.86 | |
| WASP-2b (LOW) 2018-08-27 | Yves Jongen Rasteau Observatory | Plane Wave CDK 17" SBIG STXL 11002 / Clear / 120.0 | 1.29 ± 0.86 | |
| WASP-2b (LOW) 2017-09-08 | Anaël Wünsche Observatoire des Baronnies Provençales | Astelco FLIPL230 / Lum / 60.0 | 1.63 ± 0.43 | |
| WASP-2b (LOW) 2016-09-20 | Anaël Wünsche Observatoire des Baronnies Provençales | CDK Planewave SBIG STL11K / Clear / 120.0 | -1.35 ± 0.72 | |
| WASP-2b (LOW) 2016-08-23 | Anaël Wünsche Observatoire des Baronnies Provençales | CDK Planewave SBIG STL11K / Clear / 120.0 | 0.94 ± 0.72 | |
| WASP-2b (LOW) 2016-08-23 | Anaël Wünsche Observatoire des Baronnies Provençales | Astelco FLIPL230 / Lum / 120.0 | 0.94 ± 0.72 | |
| WASP-2b (LOW) 2016-07-26 | Anaël Wünsche Observatoire des Baronnies Provençales | CDK Planewave SBIG STL11K / Clear / 120.0 | 1.64 ± 1.15 | |
| WASP-2b (LOW) 2016-07-11 | Anastasia Kokori Holomon Astronomical Station | Celestron C11 ATIK4000/11000 / R / 120.0 | -2.45 ± 1.44 | |
| WASP-2b (LOW) 2016-06-29 | Marc Deldem Les Barres Observatory | Celestron C8 SBIG ST8-XME / Clear / 120.0 | -0.1 ± 1.01 | |
| WASP-2b (LOW) 2015-09-18 | Anaël Wünsche Observatoire des Baronnies Provençales | CDK Planewave SBIG STL11K / Clear / 120.0 | 2.53 ± 0.72 | |
| WASP-2b (LOW) 2015-08-06 | Claudio Lopresti Claudio Lopresti | Mak-Newton CCD Sbig ST10xme / R / 240.0 | 2.59 ± 1.73 | |
| WASP-2b (LOW) 2010-07-28 | Ramon Naves Montcabrer | Meade LX200 12" ACF Sbig ST8xme / R / 120.0 | -1.37 ± 0.94 | |
| WASP-2b (LOW) 2008-08-18 | Ramon Naves Montcabrer | Meade LX200 12" ACF Sbig ST8xme / R / 120.0 | -5.61 ± 1.01 | |
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2018-08-08 | Addison et al. 2019 | -2.51 ± 0.73 | ||
| 2010-10-09 | Becker et al. 2013 | 1.31 ± 0.36 | ||
| 2010-09-11 | Becker et al. 2013 | -0.02 ± 0.35 | ||
| 2010-07-04 | Becker et al. 2013 | -4.2 ± 1.32 | ||
| 2009-11-11 | Southworth et al. 2010 | -1.05 ± 0.24 | ||
| 2009-08-24 | Southworth et al. 2010 | -0.22 ± 0.16 | ||
| 2009-06-03 | Southworth et al. 2010 | -0.7 ± 0.13 | ||
| 2008-10-31 | Becker et al. 2013 | 0.11 ± 0.12 | ||
| 2008-10-03 | Becker et al. 2013 | -0.08 ± 0.09 | ||
| 2008-09-05 | Becker et al. 2013 | 0.16 ± 0.2 | ||
| 2008-06-15 | Becker et al. 2013 | 0.66 ± 0.14 | ||
| 2007-10-16 | Becker et al. 2013 | 1.2 ± 0.26 | ||
| 2007-07-26 | Becker et al. 2013 | 1.26 ± 0.91 | ||
| 2007-07-24 | Becker et al. 2013 | -0.57 ± 0.5 | ||
| 2006-09-30 | Charbonneau et al. 2007 | -0.51 ± 0.4 | ||