exoclock

HD189733b (LOW)

Discovered by: Bouchy et al. 2005

The Star
Simbad
GAIA
2MASS		 HD 189733
DR2 1827242816201846144
J20004370+2242391
RA 20:00:43.7130 DEC +22:42:39.071
Parallax
50.568 mas		 P.M. RA
-3.294 mas/y		 P.M. DEC
-250.225 mas/y
MagV
7.648		 MagR
7.126		 MagI
6.68		 MagJ
6.073		 MagH
5.587		 MagK
5.541
MagG
7.414		 MagGBP
7.913		 MagGRP
6.808
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2456194.067619 ± 3.4e-05 BJDTDB
Period
2.218574944 ± 3e-08 days
Transit Parameters
Morello et al. 2014
Rp/Rs
0.15534 ± 0.00011		 a/Rs
8.92 +0.03 -0.03
 i
85.78 +0.03 -0.03 deg
e
-		 ω
- deg
DepthR*
28.36 mmag		 Duration*
1.81 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Torres et al. 2008
Teff
5040.0 +50.0 -50.0 K
 Log(g)
4.59 +0.01 -0.01 cm/s2
 Fe/H
-0.03 +0.08 -0.08 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 85 (8)
O-C 1.32 ± 0.11 minutes
ExoClock Observations (Recent) 58 (8)
Space Observations (Recent) 7 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 20 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.156218 ± 9e-05

HD189733b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
HD189733b (LOW)
2024-09-28		Stéphane Montchaud
Burgundy Observatory		Celestron 8
Zwo Asi 1600 / R / 10.0		0.49 ± 1.44
HD189733b (LOW)
2024-09-28		Mark van der Grijp
Raspay Observatory		William Optics FLT132
Player One Poseidon M Pro / Lum / 30.0		0.09 ± 0.65
HD189733b (LOW)
2024-08-19		Michael Nezel
Celle Observatory		CDK 14
QHY 268M / R / 4.0		0.56 ± 3.46
HD189733b (LOW)
2024-08-19		samuel Diaz Lopez
Tomas Lopez (AstroCamp)		RC10
Atik16200M / B / 3.0		0.27 ± 1.12
HD189733b (LOW)
2024-07-31		Michael Nezel
Celle Observatory		CDK 14
QHY 268M / I / 3.0		2.21 ± 1.34
HD189733b (LOW)
2024-07-19		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / rpr / 120.0		-0.58 ± 0.65
HD189733b (LOW)
2024-07-11		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / rpr / 120.0		0.71 ± 0.62
HD189733b (LOW)
2024-06-29		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Moravian G4-9000 / ipr / 60.0		-0.27 ± 0.27
HD189733b (LOW)
2023-11-07		Javier Alonso Santiago
INAF-OACT		Cassegrain 91cm
Moravian C4-1600EC / B / 3.9		-0.88 ± 0.52
HD189733b (LOW)
2023-09-28		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / R / 15.0		0.98 ± 0.6
HD189733b (LOW)
2023-09-28		Stefano Lora
MarSEC		Ritchey Chrétien
Moravian G2 Mark II / R / 60.0		-0.38 ± 0.65
HD189733b (LOW)
2023-09-08		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / rpr / 120.0		-0.52 ± 0.35
HD189733b (LOW)
2023-08-04		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / I / 5.0		-0.29 ± 0.95
HD189733b (LOW)
2023-07-10		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280/1850 (C11 with Starizona reducer)
Moravian Instruments G2-1600 / I / 30.0		5.85 ± 0.26
HD189733b (LOW)
2023-07-10		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / rpr / 120.0		-0.29 ± 0.39
HD189733b (LOW)
2023-07-10		Leon Bewersdorff
Observatory Kipshoven (BLEW)		GSO Ritchey-Chrétien
QHY268M-PH / AstrodonExoPlanet-BB / 5.0		-1.53 ± 0.89
HD189733b (LOW)
2023-07-04		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / I / 10.0		2.95 ± 1.01
HD189733b (LOW)
2023-06-21		Simon Dawes
William James II		Celestron Edge11 HD
Risingcam Monochrome SONY imx571 / R / 300.0		2.09 ± 0.32
HD189733b (LOW)
2023-06-21		Balazs Benei
BeneiObs300		Tair 300mm f/4.5
ZWO ASI 178 MC / Clear / 10.0		1.56 ± 1.73
HD189733b (LOW)
2023-05-25		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / I / 5.0		1.53 ± 1.37
HD189733b (LOW)
2023-04-15		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / I / 5.0		0.7 ± 1.2
HD189733b (LOW)
2022-10-08		Patrick Wagner
Balcony		Skywatcher Evoguide 50 ED
ZWO ASI 178MC / Clear / 10.0		-0.06 ± 1.22
HD189733b (LOW)
2022-09-18		Davide Pica
Private Observatory		Celestron C9.25
ASI 533 MC Pro / R / 3.75		-2.41 ± 0.68
HD189733b (LOW)
2022-08-29		Lorenzo Betti
Osservatorio Polifunzionale del Chianti		RC-80cm
Moravian G4 - KAF 09000 / R / 20.0		-1.83 ± 0.26
HD189733b (LOW)
2022-07-29		Georgios Lekkas
Specca Observatory		Newtonian Reflector 254/1200 mm
Atik 320E / I / 15.0		1.72 ± 1.01
HD189733b (LOW)
2022-07-14		Josh Jones
ASG Observatory		Rowe-Ackermann Schmidt Astrograph
ASI 1600mm / Lum / 29.0		0.61 ± 0.86
HD189733b (LOW)
2022-07-09		Nataliia Maslennikova
Caucasus Mountain Observatory SAI MSU		RC-600 ASA
Andor iKon-L / gpr / 5.0		-0.36 ± 0.23
HD189733b (LOW)
2022-07-01		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / Clear / 120.0		-1.02 ± 0.58
HD189733b (LOW)
2022-06-19		Claudio Lopresti
Claudio Lopresti		Mak-Newton
CCD Sbig ST10xme / Clear / 60.0		-1.23 ± 1.01
HD189733b (LOW)
2022-06-11		Eric Miny
BLOIS SOLOGNE ASTRONOMIE OBSERVATORY		Newton T305
QSI 683WS / R / 20.0		0.43 ± 0.58
HD189733b (LOW)
2021-08-28		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / V / 60.0		-0.12 ± 0.58
HD189733b (LOW)
2021-07-22		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / V / 120.0		1.71 ± 0.72
HD189733b (LOW)
2021-07-19		Claudio Lopresti
Claudio Lopresti		Mak-Newton
CCD Sbig ST10xme / I / 80.0		1.24 ± 0.58
HD189733b (LOW)
2021-04-11		Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)		Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / zpr / 25.0		0.91 ± 0.58
HD189733b (LOW)
2020-07-29		Didier Laloum
Observatoire Privé du Mont (OPM)		RC 8 GSO
Atik 383L+ / I / 15.0		1.23 ± 0.58
HD189733b (LOW)
2020-07-29		Patrick Brandebourg
Patrick Brandebourg (Observatoire du Guernet)		RC 250
Sbig ST8300M / R / 1.5		-1.36 ± 1.44
HD189733b (LOW)
2020-07-09		Mauro Caló
Cavallino		RC
SBIG ST10 / H / 60.0		-0.39 ± 0.86
HD189733b (LOW)
2020-06-28		Constantinos Aggelis
AGGELIS CONSTANTINOS		GSO RC8
ZWO ASI183MM-PRO / R / 20.0		-1.0 ± 2.16
HD189733b (LOW)
2019-08-29		Alberto Tomatis
Alto-Observatory		RC
STL 6303 / I / 30.0		4.28 ± 1.87
HD189733b (LOW)
2019-07-21		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Moravian G4-9000 / ipr / 120.0		1.45 ± 0.6
HD189733b (LOW)
2019-07-09		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / V / 120.0		0.71 ± 0.58
HD189733b (LOW)
2018-10-27		Lionel Rousselot
Private observatory Vierzon		Newton
ZWO 1600 monochrome / Clear / 120.0		2.47 ± 0.58
HD189733b (LOW)
2018-08-20		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / V / 120.0		2.36 ± 1.15
HD189733b (LOW)
2018-07-19		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / V / 120.0		1.42 ± 1.01
HD189733b (LOW)
2018-06-29		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / V / 120.0		-0.63 ± 1.01
HD189733b (LOW)
2017-08-18		Alessandro Marchini
Astronomical Observatory University of Siena		Mak-Cas 0.3m f/5.6
Sbig STL-6303 / I / 90.0		0.0 ± 0.43
HD189733b (LOW)
2017-07-18		Alessandro Marchini
Astronomical Observatory University of Siena		Mak-Cas 0.3m f/5.6
Sbig STL-6303 / I / 90.0		-0.07 ± 0.3
HD189733b (LOW)
2015-07-19		Marc Deldem
Les Barres Observatory		Celestron C8
SBIG ST8-XME / Clear / 60.0		-0.85 ± 0.58
HD189733b (LOW)
2014-08-07		Claudio Lopresti
Claudio Lopresti		Mak-Newton
CCD Sbig ST10xme / R / 90.0		0.14 ± 0.58
HD189733b (LOW)
2013-06-19		Alfonso Carreño Garceran
Observatorio Zonalunar		Long Perng
Atik 386L / Clear / 120.0		-2.56 ± 0.82
HD189733b (LOW)
2012-08-07		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Sbig ST8xme / V / 120.0		2.6 ± 0.33
HD189733b (LOW)
2010-08-17		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Sbig ST8xme / R / 120.0		1.63 ± 0.42
HD189733b (LOW)
2009-10-06		Alessandro Marchini
Astronomical Observatory University of Siena		Mak-Cas 0.3m f/5.6
Sbig STL-6303 / R / 60.0		0.08 ± 0.86
HD189733b (LOW)
2009-07-07		Alessandro Marchini
Astronomical Observatory University of Siena		Mak-Cas 0.3m f/5.6
Sbig STL-6303 / R / 60.0		1.48 ± 0.86
HD189733b (LOW)
2008-08-26		Filip Walter
Stefanik Observatory		Meade SCT
SBIG ST-10XME / R / 25.0		-0.77 ± 0.58
HD189733b (LOW)
2008-08-18		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Sbig ST8xme / R / 120.0		-2.95 ± 0.59
HD189733b (LOW)
2008-06-27		Filip Walter
Stefanik Observatory		Meade SCT
SBIG ST-10XME / B / 70.0		3.01 ± 0.43
HD189733b (LOW)
2007-07-28		Alessandro Marchini
Astronomical Observatory University of Siena		Mak-Cas 0.3m f/5.6
Sbig STL-6303 / V / 60.0		1.02 ± 0.72

Space Observations
Planet
Observation Date		 Mission O-C
minutes
HD189733b (LOW)
2021-08-13		TESS0.22 ± 0.08
HD189733b (LOW)
2021-08-11		TESS-0.01 ± 0.06
HD189733b (LOW)
2021-08-08		TESS-0.12 ± 0.05
HD189733b (LOW)
2021-08-04		TESS0.16 ± 0.06
HD189733b (LOW)
2021-08-02		TESS0.07 ± 0.07
HD189733b (LOW)
2021-07-31		TESS0.04 ± 0.06
HD189733b (LOW)
2021-07-26		TESS-0.04 ± 0.07

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2010-12-29 Knutson et al. 2012 -0.91 ± 0.05
2008-09-15 Hrudková et al. 2010 0.55 ± 0.76
2008-08-26 Hrudková et al. 2010 0.34 ± 0.27
2008-07-29 Hrudková et al. 2010 0.39 ± 0.27
2008-07-17 Hrudková et al. 2010 1.12 ± 0.42
2008-07-09 Hrudková et al. 2010 0.11 ± 0.17
2008-06-19 Hrudková et al. 2010 0.61 ± 0.26
2008-06-14 Agol et al. 2010 0.03 ± 0.06
2008-06-12 Agol et al. 2010 0.24 ± 0.05
2008-06-08 Hrudková et al. 2010 -0.49 ± 0.55
2007-11-14 Agol et al. 2010 0.13 ± 0.05
2007-10-21 Agol et al. 2010 0.18 ± 0.04
2007-09-18 Hrudková et al. 2010 -0.64 ± 0.63
2007-08-17 Hrudková et al. 2010 -1.25 ± 0.6
2007-07-02 Agol et al. 2010 0.07 ± 0.06
2007-06-30 Agol et al. 2010 0.04 ± 0.05
2006-10-29 Agol et al. 2010 -0.14 ± 0.05
2006-08-27 Hrudková et al. 2010 0.02 ± 0.3
2006-08-08 Hrudková et al. 2010 0.49 ± 0.2
2006-07-19 Hrudková et al. 2010 0.68 ± 0.4
© 2019-2023 ExoClock Project - Privacy policy - Contact: exoclockproject@gmail.com