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WASP-103b

Discovered by: Gillon et al. 2014

The Star
Simbad GAIA 2MASS	WASP-103 DR2 4439085988769170432 J16371556+0711000
RA	16:37:15.5753		DEC	+07:11:00.119
Parallax 1.137 mas		P.M. RA -8.506 mas/y		P.M. DEC 2.187 mas/y
Mag_V 12.1	Mag_R^* 11.971	Mag_I^* 11.386	Mag_J 11.1	Mag_H 10.857	Mag_K 10.767
Mag_G 12.193		Mag_{G_BP} 12.528		Mag_{G_RP} 11.7
^* calculated from GAIA magnitudes

Ephemeris - Verified
Southworth et al. 2015
Mid-time 2456836.29644 ± 6e-05 BJD_TDB
Period 0.9255456 ± 1.3e-06 days
Transit Parameters
Southworth et al. 2016
R_p/R_s 0.1158 ± 0.0006		a/R_s 3.013 +0.017 -0.027		i 88.2 +1.5 -1.5 deg
R_p/R_s 0.1158 ± 0.0006		e -		ω - deg
Depth_R^* 17.76 mmag			Duration^* 2.67 hours
^* calculated from the other parameters, using PyLightcurve
Limb Darkening Parameters
Gillon et al. 2014
T_eff 6110.0 +160.0 -160.0 K		Log(g) 4.22 +0.12 -0.05 cm/s²		Fe/H 0.06 +0.13 -0.13 dex

ExoClock Status
Observing Priority Total Observations (Recent) O-C minutes Total Literature Mid-times		MEDIUM 12 (0) 0.6±0.4 0

WASP-103b

ExoClock Observations

Obs. Date	O-C (min)	Observer Observatory	Telescope Camera / Filter / Exp [s]
2020-06-08	0.9 ± 0.9	Francois Regembal HRTobs	Astrosib RC360 SBIG STX 16803 / Lum / 60.0
2020-05-27	2.7 ± 1.3	Roland Casali Alto 2000	Ritchey Chretien Kepler 400 sCMOS / R / 60.0
2020-05-27	1.4 ± 1.4	Roland Casali Alto 2000	Ritchey Chretien Kepler 400 sCMOS / R / 30.0
2020-05-27	0.8 ± 1.4	Mauro Calo’ Cavallino	RC SBIG ST10 / Lum / 60.0
2020-05-26	-1.3 ± 1.6	Marc Deldem Les Barres Observatory	Celestron C8 SBIG ST8-XME / Clear / 120.0
2020-05-14	0.9 ± 1.7	Adrian Jones Oldfield Observatory (I64)	Meade ACF 30cm QSI 583 / R / 90.0
2020-05-14	0.2 ± 0.9	John Savage Z42 Rushay Farm Observatory	Celestron 14Edge ZWO ASI6200MM / Clear / 180.0
2020-05-13	0.5 ± 1.4	Adrian Jones Oldfield Observatory (I64)	Meade ACF 30cm QSI 583 / R / 60.0
2020-04-06	-0.2 ± 1.4	Manfred Raetz privat observatory Herges-Hallenberg	SCT 280 /1790 (Celestron C11 with reducer) Moravian Instruments G2-1600 / Clear / 120.0	- Data available
2019-06-02	0.4 ± 1.2	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 120.0	- Data available
2017-06-23	1.2 ± 0.9	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Lum / 60.0	- Data available
2016-05-21	-1.9 ± 1.6	Marc Deldem Les Barres Observatory	Celestron C8 SBIG ST8-XME / Clear / 120.0	- Data available

Literature Mid-times

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

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