exoclock

WASP-2b (LOW)

Discovered by: Collier Cameron et al. 2007

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 True
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) 64 (12)
O-C -1.02 ± 0.2 minutes
ExoClock Observations (Recent) 49 (12)
Space Observations (Recent) 0 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 15 (0)
Kepler Rp/Rs -
TESS Rp/Rs -

WASP-2b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
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)
2022-09-05
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)
2022-08-02
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)
2016-06-29
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

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
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