ExoClock

The Star
Simbad GAIA 2MASS	1SWASP J175207.01+373246.3 DR2 4609131509318715136 J17520702+3732461
RA	17:52:07.0185		DEC	+37:32:46.237
Parallax 4.294 mas		P.M. RA -24.529 mas/y		P.M. DEC 34.809 mas/y
Mag_V 12.402	Mag_R 12.06	Mag_I 11.603	Mag_J 11.015	Mag_H 10.655	Mag_K 10.608
Mag_G 12.2		Mag_{G_BP} 12.584		Mag_{G_RP} 11.667
^* calculated from GAIA magnitudes

Ephemeris - Not verified
Jiang et al. 2013
Mid-time 2454185.91116 ± 6e-05 BJD_TDB
Period 1.30618619 ± 1.5e-07 days
Transit Parameters
Christiansen et al. 2011
R_p/R_s 0.17 ± 0.03	a/R_s 6.0 +0.8 -0.7		i 82.0 +0.3 -0.3 deg
R_p/R_s 0.17 ± 0.03	e -		ω - deg
Depth_R^* 28.34 mmag		Duration^* 1.38 hours
^* calculated from the other parameters, using PyLightcurve
Limb Darkening Parameters
Torres et al. 2008
T_eff 5650.0 +75.0 -75.0 K	Log(g) 4.58 +0.02 -0.01 cm/s²		Fe/H -0.19 +0.08 -0.08 dex

ExoClock Status
Observing Priority Total Observations (Recent) O-C minutes Total Literature Mid-times		LOW 63 (18) 1.08±0.07 0

ExoClock Observations

Obs. Date	O-C (min)	Observer Observatory	Telescope Camera / Filter / Exp [s]
2020-09-13	0.4 ± 0.4	Manfred Raetz privat observatory Herges-Hallenberg	SCT 280 /1790 (Celestron C11 with reducer) Moravian Instruments G2-1600 / Clear / 120.0
2020-08-06	-1.6 ± 1.2	Pierre Valeau Aiguillon Observatory	SCT Celestron C11 ASI 533 MC Pro / Clear / 120.0
2020-08-06	-1.8 ± 2.3	Pavel Pintr Horni Halze	Celestron C9.25 with Hyperstar f2.2 ASI ZWO 1600 MONO / R / 180.0
2020-07-24	3.8 ± 0.7	Pierros Papadeas Archodiko Avias	Celestron EdgeHD 9.25 ASI183MM-Pro / Lum / 30.0
2020-07-24	2.9 ± 1.2	Dim Stouraitis Galilaios	SCT SXVF-H9 Starlight-Xpress / R / 40.0
2020-07-24	2.2 ± 1.3	Iakovos Strikis Elizabeth Observatory of Athens	Sky Watcher Quattro SBIG STF-8300mm / Lum / 40.0
2020-07-07	0.9 ± 0.4	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / Clear / 120.0
2020-06-05	1.2 ± 4.3	Martin Fowler MicroObservatory Cecilia	MicroObservatory robotic telescope KAF 1402ME / Clear / 60.0
2020-05-30	1.6 ± 1.0	Keith Rickard Putlands Observatory	Meade LX200 10" SCT Classic SBIG ST-7XME CCD / R / 120.0
2020-05-28	3.9 ± 1.7	Martin Fowler MicroObservatory Cecilia	MicroObservatory robotic telescope KAF 1402ME / Clear / 60.0
2020-05-17	0.3 ± 1.3	Fabio Mortari Hypatia Observatory	Newton 250mm f/4.9 Sbig ST8-XE / V / 200.0
2020-05-17	-1.0 ± 0.9	Francois Regembal HRTobs	Astrosib RC360 SBIG STX 16803 / Lum / 60.0
2020-05-17	-1.9 ± 1.4	EMMANUEL BESSON Obs privé BESSON	NEWTON 200x1100 ZWO ASI 533 MC PRO / Lum / 60.0
2020-05-13	2.7 ± 1.3	Simon Dawes William James II Observatory	Skywatcher MN190 ZWO ASI 1600 Pro mono / R / 120.0
2020-05-13	1.7 ± 0.6	John Savage Z42 Rushay Farm Observatory	Celestron 14Edge ZWO ASI6200MM / Clear / 180.0
2020-05-13	1.2 ± 0.9	Martin Crow Burnham Observatory	Celestron C9.25 SX694 mono / R / 120.0
2020-05-13	-0.9 ± 1.0	Keith Rickard Putlands Observatory	Meade LX200 10" SCT Classic SBIG ST-7XME CCD / R / 120.0
2020-05-08	1.7 ± 2.9	Vikrant Kumar Agnihotri Cepheid Observatory India	C8/f6.3 Schmidt-Cassegrain Atik383L+ mono / R / 60.0
2020-04-26	-0.0 ± 0.4	Manfred Raetz privat observatory Herges-Hallenberg	SCT 280 /1790 (Celestron C11 with reducer) Moravian Instruments G2-1600 / Clear / 120.0
2020-04-26	-0.6 ± 0.6	Simon Dawes William James II Observatory	Skywatcher MN190 ZWO ASI 1600 Pro mono / R / 30.0
2020-04-25	5.4 ± 0.4	Wonseok Kang Deokheung Optical Astronomy Observatory	NYSC 1m Telescope (1) PL-16803 (FLI) / R / 120.0
2020-04-25	0.3 ± 0.3	Taewoo Kim Deokheung Optical Astronomy Observatory	NYSC 1m Telescope FLI PL-16803 or PI SOPHIA-2048B / R / 120.0
2020-04-15	-0.5 ± 3.3	Roger Dymock MicroObservatory located at Whipple Observatory	Maksutov reflector KAF 1402ME / Clear / 60.0
2020-04-13	-0.9 ± 0.9	John Savage Z42 Rushay Farm Observatory	Celeston 14Edge with focal reducer ATIK One 9.0 / R / 240.0
2020-04-09	2.3 ± 0.9	Mauro Calo’ Cavallino	RC SBIG ST10 / Lum / 90.0
2020-04-09	1.2 ± 0.7	Fabio Mortari Hypatia Observatory	Newton 250mm f/4.9 Sbig ST8-XE / Lum / 150.0
2020-04-09	-0.7 ± 0.6	Alberto Tomatis Alto-Observatory	RC STL 6303 / Lum / 120.0
2020-04-09	-0.7 ± 0.4	Manfred Raetz privat observatory Herges-Hallenberg	SCT 280 /1790 (Celestron C11 with reducer) Moravian Instruments G2-1600 / Clear / 120.0
2020-04-09	-1.0 ± 0.6	Danilo Sedita Osservatorio Sedita Castrofilippo	RC GSO 14" Moravian G2-1600 / R / 60.0
2020-03-27	0.8 ± 1.4	Martin Crow Burnham Observatory	Celestron C9.25 SX694 mono / R / 120.0
2020-03-24	2.8 ± 0.6	Filip Walter Stefanik Observatory	Carl Zeiss MCT ZWO ASI 1600mm pro / Clear / 180.0
2020-02-20	1.3 ± 4.3	Martin Fowler MicroObservatory Cecilia	MicroObservatory robotic telescope KAF 1402ME / Clear / 60.0
2020-02-20	-1.0 ± 2.6	Roger Dymock MicroObservatory located at Whipple Observatory	Maksutov reflector KAF 1402ME / Clear / 60.0
2019-10-29	3.6 ± 0.7	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 120.0
2019-09-04	2.9 ± 0.9	Alberto Tomatis Alto-Observatory	RC Sbig 6303 / Lum / 90.0
2019-08-05	4.3 ± 1.6	Mauro Calo Cavallino	GSO RC SBIG ST10 / R / 40.0
2019-07-19	0.4 ± 0.6	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 120.0
2019-07-06	-0.9 ± 0.7	Dim Stouraitis Galilaios	SCT SXVF-H9 Starlight-Xpress / R / 40.0
2019-07-02	4.9 ± 1.3	Nikolaos Paschalis Nunki Observatory	Officina Stellare RILA 400 SBIG STXL 11002 / Rc / 60.0
2019-05-12	-3.0 ± 0.9	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 120.0
2018-09-02	0.4 ± 0.3	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Lum / 60.0
2018-07-09	0.7 ± 0.3	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Lum / 60.0
2017-07-11	3.0 ± 0.3	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Lum / 60.0
2017-05-21	0.4 ± 0.2	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Lum / 60.0
2017-04-21	0.8 ± 0.4	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Lum / 60.0
2016-08-21	-1.6 ± 2.6	Nikolaos Paschalis Nunki Observatory	Officina Stellare RILA 400 SBIG STXL 11002 / Rc / 60.0
2016-08-08	2.2 ± 0.4	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 120.0
2016-06-22	3.2 ± 0.6	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 120.0
2016-05-06	1.1 ± 0.7	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Lum / 120.0
2016-05-02	1.9 ± 1.0	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 120.0
2016-04-15	-0.1 ± 1.4	Nikolaos Paschalis Nunki Observatory	Officina Stellare RILA 400 SBIG STXL 11002 / Rc / 60.0
2015-10-31	1.8 ± 0.4	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Clear / 120.0
2015-09-06	1.1 ± 0.4	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 240.0
2015-08-16	1.7 ± 1.0	Anaël Wünsche Observatoire des Baronnies Provençales	ASA300 FLI8300M / Clear / 240.0
2015-07-17	0.3 ± 0.6	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 240.0
2015-07-14	2.4 ± 0.7	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 240.0
2015-07-04	4.5 ± 0.4	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / V / 180.0
2015-06-17	-0.6 ± 0.6	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / V / 120.0
2015-05-18	-2.7 ± 0.6	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 30.0
2015-05-11	0.5 ± 0.6	Marc Deldem Les Barres Observatory	Celestron C8 SBIG ST8-XME / Clear / 120.0
2015-04-24	0.8 ± 0.7	Marc Deldem Les Barres Observatory	Celestron C8 SBIG ST8-XME / Clear / 60.0
2014-03-18	2.9 ± 0.9	Angelos Tsiaras Holomon Astronomical Station	Celestron C11 ATIK4000/11000 / Clear / 60.0
2009-04-25	-1.6 ± 1.2	Filip Walter Stefanik Observatory	Meade SCT SBIG ST-10XME / Clear / 120.0

TrES-3b

Discovered by: O'Donovan et al. 2007