exoclock

WASP-3b (LOW)

Discovered by: Pollacco et al. 2008

The Star
Simbad
GAIA
2MASS		 BD+35 3293
DR2 2095108312831835648
J18343163+3539415
RA 18:34:31.6255 DEC +35:39:41.489
Parallax
4.297 mas		 P.M. RA
-6.069 mas/y		 P.M. DEC
-21.745 mas/y
MagV
10.63		 MagR
10.52		 MagI*
10.063		 MagJ
9.603		 MagH
9.407		 MagK
9.361
MagG
10.453		 MagGBP
10.716		 MagGRP
10.059
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2456598.295066 ± 7.5e-05 BJDTDB
Period
1.846835096 ± 7.4e-08 days
Transit Parameters
Christiansen et al. 2011
Rp/Rs
0.105 ± 0.012		 a/Rs
5.0 +0.8 -0.6
 i
84.15 +0.16 -0.16 deg
e
-		 ω
- deg
DepthR*
13.56 mmag		 Duration*
2.8 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Pollacco et al. 2008
Teff
6400.0 +100.0 -100.0 K
 Log(g)
4.25 +0.05 -0.05 cm/s2
 Fe/H
0.0 +0.2 -0.2 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 160 (11)
O-C -0.21 ± 0.3 minutes
ExoClock Observations (Recent) 62 (11)
Space Observations (Recent) 22 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 76 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.10548 ± 0.00023

WASP-3b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
WASP-3b (LOW)
2025-06-13		Moises Portillo
Elguin		GSO
Omegon vetec16000c / AstrodonExoPlanet-BB / 120.0		0.89 ± 1.87
WASP-3b (LOW)
2025-06-10		Alfredo Viegas
GRT North		AstroPhysics 175
FLI-16200 / Clear / 45.0		-3.33 ± 2.16
WASP-3b (LOW)
2025-06-01		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 45.0		3.12 ± 2.3
WASP-3b (LOW)
2025-05-20		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / R / 60.0		-0.99 ± 1.07
WASP-3b (LOW)
2025-04-26		Wilfried Hartmann
NOE Volkssternwarte, Austria		AMO1, TOA
ToupTek ATR2600M / Clear / 180.0		3.64 ± 4.03
WASP-3b (LOW)
2024-09-09		Gustavo Muler
Obs. Nazaret J47		lx 200
ST8 XME AO8 / R / 120.0		1.69 ± 1.41
WASP-3b (LOW)
2024-08-29		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 45.0		2.22 ± 1.04
WASP-3b (LOW)
2024-08-29		Stefano Lora
MarSEC		Ritchey Chrétien
Moravian G2 Mark II / R / 60.0		-2.6 ± 1.73
WASP-3b (LOW)
2024-08-04		Ricard Casas
Estartit Obs.		Schmidt-Cassegrain
Moravian Instruments C2-5000A / R / 30.0		-4.63 ± 2.59
WASP-3b (LOW)
2024-07-20		Emran Ismail
Emran Ismail		Sharpstar SCA260
ZWO ASI6200MM Pro / R / 45.0		-4.08 ± 1.44
WASP-3b (LOW)
2024-07-20		Grant Young
Grant		iOptron RC8
asi183mc pro / Lum / 110.0		-4.79 ± 1.2
WASP-3b (LOW)
2024-04-29		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 30.0		0.59 ± 1.44
WASP-3b (LOW)
2024-04-04		David Quiles
David Quiles Observatory		Celestron EDGEHD 800
Omegon veTEC 571M / R / 90.0		0.94 ± 1.2
WASP-3b (LOW)
2023-08-22		Yenal Ogmen
Green Island Observatory		Meade LX200R
Moravian C3-26000 PRO / V / 60.0		-2.17 ± 0.94
WASP-3b (LOW)
2023-08-20		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280/1850 (C11 with Starizona reducer)
Moravian Instruments G2-1600 / R / 120.0		1.93 ± 0.71
WASP-3b (LOW)
2023-08-20		Daniel Kustrin
Daniel Kustrin		Sky Watcher Classic 200P
ZWO ASI2600MM-Pro / R / 30.0		0.17 ± 3.17
WASP-3b (LOW)
2023-08-20		Lionel Rousselot
Private observatory Vierzon		Newton 250/1000
ZWO 533 monochrome / rpr / 60.0		-2.42 ± 2.02
WASP-3b (LOW)
2023-08-09		Nello Ruocco
Osservatorio Astronomico Nastro Verde di Sorrento MPC code C82		SC Meade LX200 GPS on equatorial fork
Sbig ST10XME / R / 180.0		2.86 ± 1.24
WASP-3b (LOW)
2023-08-08		Ricard Casas
Estartit Obs.		Schmidt-Cassegrain
Moravian Instruments C2-5000A / R / 30.0		1.96 ± 1.58
WASP-3b (LOW)
2023-07-27		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave 2
ZWO ASI6200 / R / 120.0		3.56 ± 2.02
WASP-3b (LOW)
2023-06-17		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / R / 15.0		-5.58 ± 1.34
WASP-3b (LOW)
2023-05-28		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / R / 60.0		-1.0 ± 1.11
WASP-3b (LOW)
2023-05-18		Alexey Garmash
Lyceum 130		SW Esprit 150ED
ASI2600MM / R / 90.0		-1.43 ± 1.44
WASP-3b (LOW)
2023-05-03		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / R / 60.0		-2.69 ± 1.37
WASP-3b (LOW)
2022-07-30		Matthieu Bachschmidt
Gonachon		Celestron C11
SBIG ST8XME / AstrodonExoPlanet-BB / 60.0		-0.36 ± 0.58
WASP-3b (LOW)
2022-07-30		Nataliia Maslennikova
Caucasus Mountain Observatory SAI MSU		RC-600 ASA
Andor iKon-L / gpr / 15.0		-2.04 ± 1.17
WASP-3b (LOW)
2022-05-19		Pavol Gajdoš
AO Kolonica		Maksutov-Newton 152/731
G2-8300 / gpr / 60.0		2.34 ± 5.76
WASP-3b (LOW)
2022-05-19		Pavol Gajdoš
AO Kolonica		Maksutov-Newton 152/731
G2-8300 / rpr / 60.0		2.34 ± 5.76
WASP-3b (LOW)
2022-05-19		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		-0.4 ± 1.15
WASP-3b (LOW)
2022-05-18		David Arnot
OSO PIRATE		PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph
FLI ProLine KAF-16803 / R / 35.0		0.34 ± 0.53
WASP-3b (LOW)
2022-05-07		Stéphane Montchaud
Burgundy Observatory		Celestron 8
Zwo Asi 1600 / Lum / 120.0		2.69 ± 2.45
WASP-3b (LOW)
2022-05-07		Adam Popowicz
Otivar dome2		Newton 12" ASA
ASI ZWO 1600MM / R / 27.0		2.26 ± 1.58
WASP-3b (LOW)
2021-08-28		Giuseppe Marino
Gruppo Astrofili Catanesi		Newtonian
SBIG ST-7 XME / R / 90.0		1.79 ± 1.15
WASP-3b (LOW)
2021-08-02		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Clear / 120.0		-1.83 ± 1.73
WASP-3b (LOW)
2021-06-28		Attilio Bruzzone
Gruppo Astrofili Frentani		LX200 ACF
FLI Microline 11002 / Lum / 60.0		-2.74 ± 1.44
WASP-3b (LOW)
2021-06-15		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / R / 50.0		1.94 ± 1.58
WASP-3b (LOW)
2021-06-15		Francesco Scaggiante
Gruppo Astrofili Salese "GALILEO GALILEI"		NEWTON 410/1710
Custom made with KAF-1603ME CCD sensor / R / 35.0		0.35 ± 1.73
WASP-3b (LOW)
2021-05-11		Andrzej Malcher
Observatory Pyskowice		RC12" GSO
ASI ZWO 1600 MM / ATIK 11000M / R / 60.0		4.19 ± 2.16
WASP-3b (LOW)
2021-05-11		Üllar Kivila
Science Centre AHHAA		TS Optics RC 203/1624
ZWO ASI224MC / Lum / 60.0		-4.16 ± 2.3
WASP-3b (LOW)
2020-07-13		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / R / 120.0		-0.48 ± 0.58
WASP-3b (LOW)
2020-06-18		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / V / 120.0		0.75 ± 1.3
WASP-3b (LOW)
2020-06-07		Nikolaos Paschalis
Nunki Observatory		Officina Stellare RILA 400
SBIG STXL 11002 / R / 60.0		4.94 ± 2.02
WASP-3b (LOW)
2020-05-25		Mauro Caló
Cavallino		RC
SBIG ST10 / Lum / 60.0		-0.61 ± 0.86
WASP-3b (LOW)
2020-05-25		Alberto Tomatis
Alto-Observatory		RC
STL 6303 / Lum / 50.0		-1.18 ± 1.01
WASP-3b (LOW)
2020-05-25		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 30.0		-1.47 ± 1.44
WASP-3b (LOW)
2020-05-25		Patrick Brandebourg
Patrick Brandebourg (Observatoire du Guernet)		RC 250
Sbig ST8300M / R / 90.0		-3.2 ± 3.02
WASP-3b (LOW)
2020-04-19		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 30.0		-3.19 ± 1.3
WASP-3b (LOW)
2020-03-26		Tõnis Eenmäe
Tartu Observatory		Planewave CDK 12.5
Apogee Alta U42 / R / 30.0		-0.09 ± 1.58
WASP-3b (LOW)
2019-09-04		Fabio Salvaggio
WBRO - K49		C9.25"
SBIG ST8-XME / V / 300.0		1.01 ± 1.15
WASP-3b (LOW)
2019-07-29		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Sbig ST8xme / rpr / 120.0		7.2 ± 3.02
WASP-3b (LOW)
2019-07-05		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / B / 120.0		2.1 ± 1.15
WASP-3b (LOW)
2019-06-23		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / V / 60.0		-0.86 ± 0.43
WASP-3b (LOW)
2019-05-05		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 60.0		-1.28 ± 1.15
WASP-3b (LOW)
2018-09-20		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 60.0		4.51 ± 1.44
WASP-3b (LOW)
2018-09-07		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 60.0		1.69 ± 0.43
WASP-3b (LOW)
2018-08-25		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 60.0		1.47 ± 0.72
WASP-3b (LOW)
2017-06-17		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / V / 120.0		1.83 ± 1.44
WASP-3b (LOW)
2017-05-24		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 60.0		3.49 ± 1.01
WASP-3b (LOW)
2016-08-08		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Moravian G4-9000 / rpr / 180.0		-4.12 ± 2.16
WASP-3b (LOW)
2014-07-10		Alfonso Carreño Garceran
Observatorio Zonalunar		Long Perng
Atik 386L / Clear / 120.0		-2.07 ± 1.87
WASP-3b (LOW)
2013-05-14		Alessandro Marchini
Astronomical Observatory University of Siena		Mak-Cas 0.3m f/5.6
Sbig STL-6303 / AstrodonExoPlanet-BB / 60.0		-0.0 ± 1.15
WASP-3b (LOW)
2011-05-21		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Sbig ST8xme / R / 120.0		6.98 ± 1.35

Space Observations
Planet
Observation Date		 Mission O-C
minutes
WASP-3b (LOW)
2021-07-22		TESS1.2 ± 0.5
WASP-3b (LOW)
2021-07-21		TESS0.4 ± 0.52
WASP-3b (LOW)
2021-07-19		TESS-0.4 ± 0.63
WASP-3b (LOW)
2021-07-13		TESS-0.26 ± 0.55
WASP-3b (LOW)
2021-07-11		TESS0.11 ± 0.5
WASP-3b (LOW)
2021-07-09		TESS0.03 ± 0.55
WASP-3b (LOW)
2021-07-08		TESS0.03 ± 0.49
WASP-3b (LOW)
2021-07-06		TESS-0.95 ± 0.56
WASP-3b (LOW)
2021-06-28		TESS-0.56 ± 0.56
WASP-3b (LOW)
2021-06-27		TESS-0.66 ± 0.53
WASP-3b (LOW)
2020-07-03		TESS0.33 ± 0.48
WASP-3b (LOW)
2020-07-01		TESS0.63 ± 0.49
WASP-3b (LOW)
2020-06-30		TESS-0.62 ± 0.53
WASP-3b (LOW)
2020-06-28		TESS-0.06 ± 0.55
WASP-3b (LOW)
2020-06-26		TESS-0.17 ± 0.56
WASP-3b (LOW)
2020-06-24		TESS-0.18 ± 0.56
WASP-3b (LOW)
2020-06-20		TESS0.29 ± 0.5
WASP-3b (LOW)
2020-06-18		TESS0.05 ± 0.55
WASP-3b (LOW)
2020-06-17		TESS-0.19 ± 0.48
WASP-3b (LOW)
2020-06-15		TESS-0.72 ± 0.6
WASP-3b (LOW)
2020-06-13		TESS0.42 ± 0.6
WASP-3b (LOW)
2020-06-11		TESS-0.66 ± 0.58

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2011-10-15 Maciejewski et al. 2013 0.21 ± 1.44
2011-10-02 Maciejewski et al. 2013 -0.35 ± 0.63
2011-09-08 Maciejewski et al. 2013 -1.51 ± 2.16
2011-09-08 Montalto et al. 2012 -3.21 ± 1.41
2011-08-26 Maciejewski et al. 2013 -1.35 ± 0.79
2011-08-26 Montalto et al. 2012 -1.73 ± 2.45
2011-08-14 Maciejewski et al. 2013 1.97 ± 0.76
2011-08-14 Montalto et al. 2012 -0.95 ± 1.15
2011-08-02 Maciejewski et al. 2013 1.54 ± 1.32
2011-08-02 Nascimbeni et al. 2013 -2.2 ± 1.28
2011-07-22 Maciejewski et al. 2013 -0.92 ± 2.02
2011-07-21 Montalto et al. 2012 -0.15 ± 1.01
2011-07-21 Nascimbeni et al. 2013 -0.71 ± 0.45
2011-07-06 Maciejewski et al. 2013 -0.32 ± 1.58
2011-06-27 Maciejewski et al. 2013 0.87 ± 0.92
2011-06-27 Nascimbeni et al. 2013 -0.79 ± 0.24
2011-06-15 Maciejewski et al. 2013 0.5 ± 0.75
2011-06-03 Nascimbeni et al. 2013 1.34 ± 0.82
2011-06-03 Maciejewski et al. 2013 0.5 ± 1.04
2011-06-03 Montalto et al. 2012 -2.61 ± 1.07
2011-05-21 Nascimbeni et al. 2013 0.68 ± 0.4
2011-05-17 Maciejewski et al. 2013 0.05 ± 0.39
2011-05-17 Sada et al. 2012 -3.99 ± 0.86
2011-05-09 Maciejewski et al. 2013 0.5 ± 1.24
2011-05-08 Nascimbeni et al. 2013 0.62 ± 0.22
2011-04-27 Montalto et al. 2012 -0.77 ± 1.53
2011-04-14 Montalto et al. 2012 4.22 ± 0.99
2011-04-03 Maciejewski et al. 2013 -0.77 ± 2.02
2010-09-11 Maciejewski et al. 2013 -0.53 ± 0.58
2010-08-29 Maciejewski et al. 2013 0.11 ± 0.86
2010-08-28 Maciejewski et al. 2013 -1.14 ± 1.44
2010-08-15 Nascimbeni et al. 2013 1.36 ± 0.69
2010-08-05 Eibe et al. 2012 0.07 ± 0.75
2010-08-05 Maciejewski et al. 2013 -0.13 ± 1.05
2010-07-24 Maciejewski et al. 2013 -0.41 ± 0.52
2010-07-09 Maciejewski et al. 2013 -1.79 ± 2.88
2010-06-26 Maciejewski et al. 2013 -1.58 ± 1.24
2010-06-18 Maciejewski et al. 2013 -0.08 ± 1.44
2010-06-15 Maciejewski et al. 2013 -0.12 ± 0.58
2010-06-07 Maciejewski et al. 2013 -1.23 ± 0.76
2010-06-02 Sada et al. 2012 0.04 ± 0.56
2010-06-02 Sada et al. 2012 -3.92 ± 0.56
2010-05-25 Maciejewski et al. 2013 -0.29 ± 1.73
2010-04-30 Eibe et al. 2012 0.38 ± 1.21
2010-04-19 Maciejewski et al. 2010 0.46 ± 0.56
2009-11-03 Maciejewski et al. 2010 2.58 ± 0.71
2009-09-27 Maciejewski et al. 2010 1.0 ± 0.81
2009-09-24 Maciejewski et al. 2013 -1.31 ± 0.63
2009-09-03 Maciejewski et al. 2010 -1.51 ± 0.84
2009-09-02 Eibe et al. 2012 -5.29 ± 1.67
2009-08-21 Maciejewski et al. 2010 -2.86 ± 0.85
2009-08-05 Nascimbeni et al. 2013 0.33 ± 1.54
2009-07-28 Maciejewski et al. 2010 -0.53 ± 0.71
2009-07-25 Nascimbeni et al. 2013 -0.91 ± 1.24
2009-07-15 Eibe et al. 2012 -0.47 ± 1.04
2009-06-05 Nascimbeni et al. 2013 -3.32 ± 1.34
2009-05-25 Tripathi et al. 2010 -0.26 ± 0.73
2009-05-16 Montalto et al. 2012 -4.56 ± 1.22
2009-05-12 Sada et al. 2012 -0.54 ± 0.79
2009-05-12 Tripathi et al. 2010 -2.34 ± 1.04
2008-09-05 Gibson et al. 2008 -0.65 ± 0.52
2008-09-03 Nascimbeni et al. 2013 -0.03 ± 0.92
2008-08-15 Christiansen et al. 2011 -0.32 ± 0.6
2008-08-13 Christiansen et al. 2011 0.97 ± 0.62
2008-08-12 Christiansen et al. 2011 0.21 ± 0.79
2008-08-08 Christiansen et al. 2011 0.78 ± 0.85
2008-08-06 Christiansen et al. 2011 2.45 ± 0.39
2008-08-04 Christiansen et al. 2011 1.55 ± 0.5
2008-08-02 Christiansen et al. 2011 -0.48 ± 0.58
2008-07-31 Christiansen et al. 2011 -0.0 ± 0.72
2008-07-13 Tripathi et al. 2010 0.06 ± 0.3
2008-06-21 Tripathi et al. 2010 1.46 ± 0.45
2008-06-10 Tripathi et al. 2010 -0.42 ± 0.45
2008-05-19 Gibson et al. 2008 0.46 ± 0.5
2008-05-15 Tripathi et al. 2010 -0.62 ± 0.39
2007-02-12 Pollacco et al. 2008 -0.18 ± 0.58
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