exoclock

TrES-2b

Discovered by: O'Donovan et al. 2006

The Star
Simbad
GAIA
2MASS		 Kepler-1
DR2 2131314401800665344
J19071403+4918590
RA 19:07:14.0379 DEC +49:18:59.090
Parallax
4.615 mas		 P.M. RA
5.219 mas/y		 P.M. DEC
1.619 mas/y
MagV
11.25		 MagR
11.05		 MagI*
10.547		 MagJ
10.232		 MagH
9.92		 MagK
9.846
MagG
11.282		 MagGBP
11.605		 MagGRP
10.79
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2021
Mid-time
2455148.47118 ± 3e-05 BJDTDB
Period
2.47061373 ± 9e-08 days
Transit Parameters
Esteves et al. 2015
Rp/Rs
0.1254 ± 0.0005		 a/Rs
7.903 +0.019 -0.016
 i
83.872 +0.02 -0.018 deg
e
-		 ω
- deg
DepthR*
15.53 mmag		 Duration*
1.79 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
5850.0 +50.0 -50.0 K
 Log(g)
4.4 +0.1 -0.1 cm/s2
 Fe/H
-0.15 +0.1 -0.1 dex
ExoClock Status
Observing Priority
ExoClock Observations (Recent)
Space Observations
Literature Mid-times
ETD Observations
O-C minutes 		LOW
60 (14)

39

0.26±0.13

TrES-2b


ExoClock Observations

Observation
Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
2022-05-31 Pieter Vuylsteke
TheGardenToTheSkyFacility		 TS ONTC 25cm f4.7
Zwo 2600mm / R / 160.0		 3.5 ± 1.0
2022-05-31 Manfred Raetz
privat observatory Herges-Hallenberg		 SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Astrodon ExoPlanet-BB / 120.0		 0.5 ± 0.6
2022-05-31 Anaël Wünsche
Observatoire des Baronnies Provençales		 CDK Planewave 2
ZWO ASI6200 / R / 120.0		 -0.2 ± 0.7
2022-04-19 Thomas Mollier
Tomastro		 Newtonian
ZWO ASI1600MMC / Clear / 120.0		 0.4 ± 3.0
2022-04-15 Leon Bewersdorff
Observatory Kipshoven (BLEW)		 GSO Ritchey-Chrétien
QHY268M-PH / V / 200.0		 -1.3 ± 2.7
2021-11-17 Cyrille Aumasson
observatory of Baronnies Provençales		 CDK PLANEWAVE 17"
zwo asi 6200 / Clear / 120.0		 0.3 ± 1.4
2021-11-17 Geoffrey Thurston
I67		 Celestron C-14
Atik 314L+ / R / 20.0		 -0.1 ± 2.2
2021-10-01 Nello Ruocco
Osservatorio Astronomico Nastro Verde di Sorrento MPC code C82		 SC Meade LX200 GPS on equatorial fork
Sbig ST10XME / R / 150.0		 1.7 ± 2.0
2021-09-26 Thomas Mollier
Tomastro		 Newtonian
ZWO ASI1600MMC / Clear / 60.0		 -3.3 ± 1.6
2021-08-20 Ozguc Bayrak
Bayrak G.E.		 Schmidt Cassegrain
Canon EOS500D / Clear / 60.0		 1.2 ± 3.2
2021-08-15 Paolo Arcangelo Matassa
P.M.P.H.R. Deep Sky (K81)		 Ritchey Chretien
ICX453AQ / Clear / 90.0		 0.7 ± 1.3
2021-08-10 Ivo Peretto
MarSEC Marana Space Explorer Center		 R-C
Moravia G2-1600 MkII / Clear / 60.0		 0.4 ± 0.9
2021-08-06 Bernhard Wenzel
VDS Sternwarte Kirchheim (Germany)		 Cassegrain A=600 / F=1800 mm
SBIG STL-6303 3 CCD Camera 3072 x 2048 Pixels (9µm) / Clear / 15.0		 -2.3 ± 0.9
2021-07-04 Giorgio Baj
M57		 Ritchey-Chretien
Sbig STT1603 ME / R / 120.0		 1.4 ± 2.0
2021-06-25 Alberto García Sánchez
Rio Cofio		 MEADE LX200 Classic
SBIG ST8-XME / Clear / 45.0		 -0.4 ± 1.2
2021-06-25 Enrique Arce
Vallbona Observatory		 Newton 10" f4
Sbig ST7-XME / V / 60.0		 -1.4 ± 1.3
2021-06-25 Gonzalo Fornas
CAAT		 TAKA FSQ 106
ASI 1600 / Clear / 60.0		 -4.5 ± 1.7
2021-05-09 Martin Crow
Burnham Observatory		 Celestron C9.25
SX694 mono / R / 90.0		 0.6 ± 1.0
2021-05-09 Giorgio Baj
M57		 Ritchey-Chretien
Sbig STT1603 ME / R / 120.0		 -3.6 ± 1.3
2021-04-09 Andre Kovacs
MicroObservatory Cecillia		 152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		 -1.3 ± 4.3
2021-03-28 Yves Jongen
Rasteau Observatory		 Plane Wave CDK 17"
SBIG STXL 11002 / R / 120.0		 0.8 ± 1.0
2020-09-13 John Savage
Z42 Rushay Farm Observatory		 Celestron 14Edge
ZWO ASI6200MM / R / 120.0		 3.5 ± 0.7 - Data available
2020-09-13 Geoffrey Thurston
I67		 Celestron C-14
Atik 314L+ / R / 60.0		 0.0 ± 0.9 - Data available
2020-09-13 Simon Dawes
William James II Observatory		 Skywatcher MN190 2
ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / R / 60.0		 0.0 ± 1.3 - Data available
2020-09-13 Yves Jongen
Rasteau Observatory		 Plane Wave CDK 17"
SBIG STXL 11002 / R / 120.0		 -0.7 ± 0.7 - Data available
2020-09-13 Andrea Tomacelli
Osservatorio Astronomico di Capodimonte		 Schmith Cassegrain
Atik 383L+ / Clear / 120.0		 -2.0 ± 2.2
2020-09-13 Jean-Baptiste Marquette
MrKite47		 Newton Sky-Watcher 200/1000
QHY8L / Clear / 120.0		 -4.9 ± 4.3 - Data available
2020-09-04 Yves Jongen
Rasteau Observatory		 Plane Wave CDK 17"
SBIG STXL 11002 / R / 120.0		 -3.1 ± 1.6 - Data available
2020-07-28 Constantinos Aggelis
AGGELIS CONSTANTINOS		 GSO RC8
ZWO ASI183MM-PRO / Lum / 30.0		 2.7 ± 2.0 - Data available
2020-07-28 Adrian Jones
Private Observatory (I64)		 Meade ACF 30cm
QSI 583 / R / 60.0		 -0.2 ± 1.4 - Data available
2020-05-05 Martin Crow
Burnham Observatory		 Celestron C9.25
SX694 mono / R / 60.0		 0.7 ± 1.6 - Data available
2020-05-05 Simon Dawes
William James II Observatory		 Skywatcher MN190
ZWO ASI 1600 Pro mono / R / 60.0		 -1.5 ± 2.2 - Data available
2020-05-05 Adrian Jones
Oldfield Observatory (I64)		 Meade ACF 30cm
QSI 583 / R / 60.0		 -1.5 ± 1.4 - Data available
2020-03-20 Yves Jongen
Rasteau Observatory		 Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0		 2.8 ± 2.2 - Data available
2019-10-13 Anaël Wünsche
Observatoire des Baronnies Provençales		 Astelco
FLIPL230 / V / 60.0		 -2.6 ± 0.9 - Data available
2019-10-04 Yves Jongen
Deep Sky Chile		 Plane Wave CDK 17"
Moravian 4G / V / 120.0		 0.2 ± 1.0 - Data available
2019-08-23 Yves Jongen
Rasteau Observatory		 Plane Wave CDK 17"
SBIG STXL 11002 / V / 120.0		 1.4 ± 1.0 - Data available
2019-07-16 Yves Jongen
Rasteau Observatory		 Plane Wave CDK 17"
SBIG STXL 11002 / V / 120.0		 0.7 ± 0.7 - Data available
2019-06-04 Anaël Wünsche
Observatoire des Baronnies Provençales		 CDK Planewave
SBIG STL11K / Clear / 120.0		 0.7 ± 1.0 - Data available
2019-06-04 Yves Jongen
Rasteau Observatory		 Plane Wave CDK 17"
SBIG STXL 11002 / V / 120.0		 -0.4 ± 1.3 - Data available
2019-04-14 Yves Jongen
Rasteau Observatory		 Plane Wave CDK 17"
SBIG STXL 11002 / R / 120.0		 -2.1 ± 0.9 - Data available
2019-04-09 Yves Jongen
Rasteau Observatory		 Plane Wave CDK 17"
SBIG STXL 11002 / R / 120.0		 -0.1 ± 0.9 - Data available
2018-09-30 Mario Morales Aimar
Observatorio de Sencelles MPC K14		 10" Meade Schmidt Cassegrain
SBIG ST7-XME / V / 90.0		 2.3 ± 1.0
2018-09-30 Yves Jongen
Rasteau Observatory		 Plane Wave CDK 17"
SBIG STXL 11002 / V / 120.0		 -1.5 ± 0.9 - Data available
2018-09-25 Anaël Wünsche
Observatoire des Baronnies Provençales		 Astelco
FLIPL230 / Clear / 60.0		 -0.5 ± 0.4 - Data available
2018-09-21 Yves Jongen
Rasteau Observatory		 Plane Wave CDK 17"
SBIG STXL 11002 / V / 120.0		 -0.5 ± 1.7 - Data available
2018-05-27 Nikolaos Paschalis
Nunki Observatory		 Officina Stellare RILA 400
SBIG STXL 11002 / R / 60.0		 -1.7 ± 2.7 - Data available
2018-05-18 Anaël Wünsche
Observatoire des Baronnies Provençales		 Astelco
FLIPL230 / Lum / 60.0		 -2.5 ± 0.6 - Data available
2017-07-27 Anaël Wünsche
Observatoire des Baronnies Provençales		 Astelco
FLIPL230 / Lum / 60.0		 1.1 ± 0.4 - Data available
2017-05-09 Alessandro Marchini
Astronomical Observatory, University of Siena		 Mak-Cas 0.3m f/5.6
Sbig STL-6303 / R / 180.0		 -1.3 ± 1.4
2016-10-21 Anaël Wünsche
Observatoire des Baronnies Provençales		 Astelco
FLIPL230 / Lum / 60.0		 1.9 ± 0.4 - Data available
2016-07-19 Anaël Wünsche
Observatoire des Baronnies Provençales		 CDK Planewave
SBIG STL11K / Clear / 120.0		 2.1 ± 0.9 - Data available
2016-06-02 Nikolaos Paschalis
Nunki Observatory		 Officina Stellare RILA 400
SBIG STXL 11002 / Rc / 60.0		 -1.8 ± 1.9 - Data available
2015-08-18 Anaël Wünsche
Observatoire des Baronnies Provençales		 CDK Planewave
SBIG STL11K / Clear / 60.0		 1.0 ± 0.9 - Data available
2015-07-12 Antonio Marino
UAN c/o INAF-Osservatorio Astronomico di Capodimonte, Naples ITALY		 SC11
CCD Atik 314L / Clear / 90.0		 0.8 ± 1.3 - Data available
2015-05-31 Anaël Wünsche
Observatoire des Baronnies Provençales		 Astelco
FLIPL230 / V / 60.0		 2.4 ± 0.9 - Data available
2015-05-31 Antonio Marino
UAN c/o INAF-Osservatorio Astronomico di Capodimonte, Naples ITALY		 SC11
CCD Atik 314L / Clear / 90.0		 -2.1 ± 4.3 - Data available
2012-05-20 Filip Walter
Stefanik Observatory		 Meade SCT
SBIG ST-10XME / R / 80.0		 1.0 ± 1.0 - Data available
2011-10-03 Sauro Gaudenzi
MicroObservatory Ceciclia		 MicroObservatory robotic telescope
KAF-1402ME / Clear / 60.0		 -3.5 ± 4.3
2009-04-07 Filip Walter
Stefanik Observatory		 Meade SCT
SBIG ST-10XME / R / 120.0		 1.4 ± 1.6 - Data available


Literature Mid-times

Observation
Date		 Mid-time Time format Reference O-C
minutes
2017-09-12 2458009.4391 ± 0.0007 BJD_TDB Öztürk et al. 2019 -4.0 ± 1.0
2017-05-04 2457878.498 ± 0.0004 BJD_TDB Öztürk et al. 2019 -1.9 ± 0.6
2017-03-23 2457836.4996 ± 0.0004 BJD_TDB Öztürk et al. 2019 1.0 ± 0.6
2016-08-30 2457631.4375 ± 0.0003 BJD_TDB Öztürk et al. 2019 -0.7 ± 0.4
2016-06-12 2457552.379 ± 0.0002 BJD_TDB Öztürk et al. 2019 1.0 ± 0.3
2012-10-30 2456230.598 ± 0.0006 HJD_UTC Turner et al. 2016 -1.7 ± 0.9
2009-05-28 2454980.4678 ± 0.001 HJD_UTC Mislis et al. 2010 -0.6 ± 1.4
2009-05-28 2454980.4679 ± 0.0009 HJD_UTC Mislis et al. 2010 -1.1 ± 1.3
2009-05-28 2454980.4675 ± 0.00068 HJD_UTC Mislis et al. 2010 -1.7 ± 1.0
2009-05-28 2454980.4667 ± 0.00082 HJD_UTC Mislis et al. 2010 -2.8 ± 1.2
2009-04-12 2454933.5274 ± 0.00076 HJD_UTC Mislis et al. 2010 0.6 ± 1.1
2008-10-03 2454743.28972 ± 0.0018 HJD_UTC Raetz et al. 2009 -0.2 ± 2.6
2008-09-28 2454738.35215 ± 0.002 HJD_UTC Raetz et al. 2009 5.3 ± 2.9
2008-09-18 2454728.464 ± 0.00071 HJD_UTC Mislis et al. 2010 -3.0 ± 1.0
2008-07-29 2454676.58257 ± 0.00051 BJD_UTC Christiansen et al. 2011 -0.9 ± 0.7
2008-07-26 2454674.11318 ± 0.00033 BJD_UTC Christiansen et al. 2011 0.8 ± 0.5
2008-07-24 2454671.64117 ± 0.00028 BJD_UTC Christiansen et al. 2011 -1.2 ± 0.4
2008-07-21 2454669.17156 ± 0.00028 BJD_UTC Christiansen et al. 2011 0.3 ± 0.4
2008-07-16 2454664.23072 ± 0.0005 BJD_UTC Christiansen et al. 2011 0.9 ± 0.7
2008-07-14 2454661.76005 ± 0.00044 BJD_UTC Christiansen et al. 2011 0.8 ± 0.6
2008-07-11 2454659.28871 ± 0.00042 BJD_UTC Christiansen et al. 2011 -0.3 ± 0.6
2008-07-09 2454656.81879 ± 0.00034 BJD_UTC Christiansen et al. 2011 0.7 ± 0.5
2008-06-29 2454646.93735 ± 0.00032 BJD_UTC Christiansen et al. 2011 2.2 ± 0.5
2008-06-26 2454644.46608 ± 0.0014 HJD_UTC Raetz et al. 2009 1.2 ± 2.0
2008-05-20 2454607.4036 ± 0.00072 HJD_UTC Mislis et al. 2010 -3.5 ± 1.0
2007-10-14 2454387.5222 ± 0.0015 HJD_UTC Raetz et al. 2009 1.1 ± 2.2
2007-09-21 2454365.28746 ± 0.0021 HJD_UTC Raetz et al. 2009 2.3 ± 3.0
2007-09-16 2454360.3455 ± 0.00109 HJD_UTC Raetz et al. 2009 1.2 ± 1.6
2007-07-26 2454308.46448 ± 0.0013 HJD_UTC Raetz et al. 2009 3.9 ± 1.9
2007-07-17 2454298.5788 ± 0.0024 HJD_UTC Raetz et al. 2009 -0.7 ± 3.5
2007-05-03 2454224.46176 ± 0.0025 HJD_UTC Raetz et al. 2009 1.2 ± 3.6
2007-03-13 2454172.5767 ± 0.0016 HJD_UTC Raetz et al. 2009 -1.8 ± 2.3
2006-11-02 2454041.63675 ± 0.00028 BJD_TDB Holman et al. 2007 0.8 ± 0.4
2006-11-02 2454041.6358 ± 0.0007 HJD_UTC Mislis et al. 2010 0.4 ± 1.0
2006-09-16 2453994.69473 ± 0.00028 BJD_TDB Holman et al. 2007 0.2 ± 0.4
2006-09-16 2453994.6939 ± 0.00066 HJD_UTC Mislis et al. 2010 0.1 ± 1.0
2006-09-11 2453989.7529 ± 0.00069 HJD_UTC Mislis et al. 2010 0.4 ± 1.0
2006-09-11 2453989.75359 ± 0.00023 BJD_TDB Holman et al. 2007 0.4 ± 0.3
2006-08-10 2453957.6358 ± 0.001 HJD_UTC O'Donovan et al. 2006 2.4 ± 1.4
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