exoclock

HD189733b

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. 2021
Mid-time
2454403.67771 ± 3e-05 BJDTDB
Period
2.21857519 ± 1.4e-07 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 to produce a duration that matches the 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
ExoClock Observations (Recent)
Space Observations
Literature Mid-times
ETD Observations
O-C minutes
LOW
27 (5)

19

-0.01±0.12

HD189733b


ExoClock Observations

Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2022-07-29 Georgios Lekkas
Specca Observatory
Newtonian Reflector 254/1200 mm
Atik 320E / I / 15.0
0.8 ± 1.0
2022-07-14 Josh Jones
ASG Observatory
Rowe-Ackermann Schmidt Astrograph
ASI 1600mm / Lum / 29.0
-0.4 ± 0.9
2022-06-19 Claudio Lopresti
Claudio Lopresti
Mak-Newton
CCD Sbig ST10xme / Clear / 60.0
-2.2 ± 1.0
2022-06-11 Eric Miny
BLOIS SOLOGNE ASTRONOMIE OBSERVATORY
Newton T305
QSI 683WS / R / 20.0
-0.7 ± 0.4
2021-08-28 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / V / 60.0
-1.0 ± 0.6
2021-07-22 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / V / 120.0
0.8 ± 0.7
2021-07-19 Claudio Lopresti
Claudio Lopresti
Mak-Newton
CCD Sbig ST10xme / I / 80.0
0.3 ± 0.6
2021-04-11 Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)
Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / z' / 25.0
0.0 ± 0.6
2020-07-29 Didier Laloum
Observatoire Privé du Mont (OPM)
RC 8 GSO
Atik 383L+ / I / 15.0
0.4 ± 0.6 - Data available
2020-07-29 Patrick Brandebourg
Patrick Brandebourg (Observatoire du Guernet)
RC 250
Sbig ST8300M / R / 1.5
-2.2 ± 1.4 - Data available
2020-07-09 Mauro Caló
Cavallino
RC
SBIG ST10 / H / 60.0
-1.2 ± 0.9 - Data available
2020-06-28 Constantinos Aggelis
AGGELIS CONSTANTINOS
GSO RC8
ZWO ASI183MM-PRO / R / 20.0
-1.8 ± 2.2 - Data available
2019-08-29 Alberto Tomatis
Alto-Observatory
RC
Sbig 6303 / i / 30.0
3.5 ± 1.9 - Data available
2019-07-09 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / V / 120.0
-0.1 ± 0.6 - Data available
2018-10-27 Lionel Rousselot
lroussel
Newton
ZWO 1600 monochrome / Clear / 120.0
1.7 ± 0.6 - Data available
2018-08-20 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / V / 120.0
1.6 ± 1.2 - Data available
2018-07-19 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / V / 120.0
0.7 ± 1.0 - Data available
2018-06-29 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / V / 120.0
-1.4 ± 1.0 - Data available
2017-08-18 Alessandro Marchini
Astronomical Observatory, University of Siena
Mak-Cas 0.3m f/5.6
Sbig STL-6303 / I / 90.0
-0.7 ± 0.4
2017-07-18 Alessandro Marchini
Astronomical Observatory, University of Siena
Mak-Cas 0.3m f/5.6
Sbig STL-6303 / I / 90.0
-0.7 ± 0.3
2015-07-19 Marc Deldem
Les Barres Observatory
Celestron C8
SBIG ST8-XME / Clear / 60.0
-1.4 ± 0.6 - Data available
2014-08-07 Claudio Lopresti
Claudio Lopresti
Mak-Newton
CCD Sbig ST10xme / R / 90.0
-0.4 ± 0.6 - Data available
2009-10-06 Alessandro Marchini
Astronomical Observatory, University of Siena
Mak-Cas 0.3m f/5.6
Sbig STL-6303 / R / 60.0
-0.1 ± 0.9
2009-07-07 Alessandro Marchini
Astronomical Observatory, University of Siena
Mak-Cas 0.3m f/5.6
Sbig STL-6303 / R / 60.0
1.3 ± 0.9
2008-08-26 Filip Walter
Stefanik Observatory
Meade SCT
SBIG ST-10XME / R / 25.0
-0.9 ± 0.6 - Data available
2008-06-27 Filip Walter
Stefanik Observatory
Meade SCT
SBIG ST-10XME / B / 70.0
2.9 ± 0.4 - Data available
2007-07-28 Alessandro Marchini
Astronomical Observatory, University of Siena
Mak-Cas 0.3m f/5.6
Sbig STL-6303 / V / 60.0
0.9 ± 0.7


Literature Mid-times

Observation
Date
Mid-time Time format Reference O-C
minutes
2008-09-15 2454725.37064 ± 0.00053 BJD_UTC Hrudková et al. 2010 0.4 ± 0.8
2008-08-26 2454705.40332 ± 0.00019 BJD_UTC Hrudková et al. 2010 0.2 ± 0.3
2008-07-29 2454676.56188 ± 0.00019 BJD_UTC Hrudková et al. 2010 0.2 ± 0.3
2008-07-17 2454665.46951 ± 0.00029 BJD_UTC Hrudková et al. 2010 1.0 ± 0.4
2008-07-09 2454656.59451 ± 0.00012 BJD_UTC Hrudková et al. 2010 -0.0 ± 0.2
2008-06-19 2454636.62768 ± 0.00018 BJD_UTC Hrudková et al. 2010 0.5 ± 0.3
2008-06-14 2454632.190128 ± 3.9e-05 BJD_UTC Agol et al. 2010 -0.1 ± 0.1
2008-06-12 2454629.971694 ± 3.3e-05 BJD_UTC Agol et al. 2010 0.1 ± 0.0
2008-06-08 2454625.53404 ± 0.00038 BJD_UTC Hrudková et al. 2010 -0.6 ± 0.5
2007-11-14 2454419.207003 ± 3.6e-05 BJD_UTC Agol et al. 2010 0.0 ± 0.1
2007-10-21 2454394.802711 ± 2.8e-05 BJD_UTC Agol et al. 2010 0.1 ± 0.0
2007-09-18 2454361.52352 ± 0.00044 BJD_UTC Hrudková et al. 2010 -0.7 ± 0.6
2007-08-17 2454330.46305 ± 0.00042 BJD_UTC Hrudková et al. 2010 -1.3 ± 0.6
2007-07-02 2454283.873884 ± 4.2e-05 BJD_UTC Agol et al. 2010 -0.0 ± 0.1
2007-06-30 2454281.655291 ± 3.4e-05 BJD_UTC Agol et al. 2010 -0.0 ± 0.0
2006-10-29 2454037.611919 ± 3.4e-05 BJD_UTC Agol et al. 2010 -0.2 ± 0.0
2006-08-27 2453975.49194 ± 0.00021 BJD_UTC Hrudková et al. 2010 -0.0 ± 0.3
2006-08-08 2453955.52509 ± 0.00014 BJD_UTC Hrudková et al. 2010 0.5 ± 0.2
2006-07-19 2453935.55805 ± 0.00028 BJD_UTC Hrudková et al. 2010 0.7 ± 0.4
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