ExoClock

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
Mag_V 11.25	Mag_R 11.05	Mag_I^* 10.547	Mag_J 10.232	Mag_H 9.92	Mag_K 9.846
Mag_G 11.282		Mag_{G_BP} 11.605		Mag_{G_RP} 10.79
^* calculated from GAIA magnitudes

Ephemeris - Verified
Holczer et al. 2016
Mid-time 2454955.764103 ± 6e-06 BJD_TDB
Period 2.47061338 ± 1e-08 days
Transit Parameters
Esteves et al. 2015
R_p/R_s 0.1254 ± 0.0005	a/R_s 7.903 +0.019 -0.016		i 83.872 +0.02 -0.018 deg
R_p/R_s 0.1254 ± 0.0005	e -		ω - deg
Depth_R^* 15.53 mmag		Duration^* 1.79 hours
^* calculated from the other parameters, using PyLightcurve
Limb Darkening Parameters
Torres et al. 2008
T_eff 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 Total Observations (Recent) O-C minutes Total Literature Mid-times		LOW 35 (8) -0.17±0.15 0

ExoClock Observations

Obs. Date	O-C (min)	Observer Observatory	Telescope Camera / Filter / Exp [s]
2020-09-13	3.2 ± 0.7	John Savage Z42 Rushay Farm Observatory	Celestron 14Edge ZWO ASI6200MM / R / 120.0
2020-09-13	-0.3 ± 0.9	Geoffrey Thurston I67	Celestron C-14 Atik 314L+ / R / 60.0
2020-09-13	-0.3 ± 1.3	Simon Dawes William James II Observatory	Skywatcher MN190 2 ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / R / 60.0
2020-09-13	-1.0 ± 0.7	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / R / 120.0
2020-09-13	-5.2 ± 4.3	Jean-Baptiste Marquette MrKite47	Newton Sky-Watcher 200/1000 QHY8L / Clear / 120.0
2020-09-03	-3.4 ± 1.6	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / R / 120.0
2020-07-28	2.4 ± 2.0	Constantinos Aggelis AGGELIS CONSTANTINOS	GSO RC8 ZWO ASI183MM-PRO / Lum / 30.0
2020-07-28	-0.5 ± 1.4	Adrian Jones Private Observatory (I64)	Meade ACF 30cm QSI 583 / R / 60.0
2020-05-05	0.3 ± 1.6	Martin Crow Burnham Observatory	Celestron C9.25 SX694 mono / R / 60.0
2020-05-05	-1.8 ± 2.2	Simon Dawes William James II Observatory	Skywatcher MN190 ZWO ASI 1600 Pro mono / R / 60.0
2020-05-05	-1.8 ± 1.4	Adrian Jones Oldfield Observatory (I64)	Meade ACF 30cm QSI 583 / R / 60.0
2020-03-19	-1.0 ± 1.6	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / Clear / 120.0
2019-10-13	-3.0 ± 0.9	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / V / 60.0	- Data available
2019-10-03	-0.2 ± 1.0	Yves Jongen Deep Sky Chile	Plane Wave CDK 17" Moravian 4G / V / 120.0
2019-08-22	1.0 ± 1.0	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / V / 120.0
2019-07-16	0.3 ± 0.7	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / V / 120.0
2019-06-04	-0.7 ± 0.9	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 120.0	- Data available
2019-06-04	-0.8 ± 1.6	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / V / 120.0
2019-04-14	-2.6 ± 0.9	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / R / 120.0
2019-04-09	-0.5 ± 0.9	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / R / 120.0
2018-09-30	-1.9 ± 0.9	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / V / 120.0
2018-09-25	-1.0 ± 0.4	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Clear / 60.0	- Data available
2018-09-20	-1.0 ± 1.7	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / V / 120.0
2018-05-27	-2.2 ± 2.7	Nikolaos Paschalis Nunki Observatory	Officina Stellare RILA 400 SBIG STXL 11002 / R / 60.0	- Data available
2018-05-17	-3.0 ± 0.6	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Lum / 60.0	- Data available
2017-07-27	0.6 ± 0.4	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Lum / 60.0	- Data available
2016-10-21	1.3 ± 0.4	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Lum / 60.0	- Data available
2016-07-19	1.5 ± 0.9	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 120.0	- Data available
2016-06-02	-2.5 ± 1.9	Nikolaos Paschalis Nunki Observatory	Officina Stellare RILA 400 SBIG STXL 11002 / Rc / 60.0	- Data available
2015-08-18	0.4 ± 0.9	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 60.0	- Data available
2015-07-12	0.1 ± 1.3	Antonio Marino UAN c/o INAF-Osservatorio Astronomico di Capodimonte, Naples ITALY	SC11 CCD Atik 314L / Clear / 90.0	- Data available
2015-05-31	1.7 ± 0.9	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / V / 60.0	- Data available
2015-05-31	-2.8 ± 4.3	Antonio Marino UAN c/o INAF-Osservatorio Astronomico di Capodimonte, Naples ITALY	SC11 CCD Atik 314L / Clear / 90.0	- Data available
2012-05-19	0.1 ± 1.0	Filip Walter Stefanik Observatory	Meade SCT SBIG ST-10XME / R / 80.0
2009-04-07	0.2 ± 1.6	Filip Walter Stefanik Observatory	Meade SCT SBIG ST-10XME / R / 120.0

Literature Mid-times

Mid-time (BJD_TDB)	Uncertainty (days)	Reference	Uploaded by

TrES-2b

Discovered by: O'Donovan et al. 2006