ExoClock

The Star
Simbad GAIA 2MASS	BD+35 3293 DR2 2095108312831835648 J18343163+3539415
RA	18:34:31.6255		DEC	+35:39:41.489
Parallax 4.297 mas		P.M. RA -6.069 mas/y		P.M. DEC -21.745 mas/y
Mag_V 10.63	Mag_R 10.52	Mag_I^* 10.063	Mag_J 9.603	Mag_H 9.407	Mag_K 9.361
Mag_G 10.453		Mag_{G_BP} 10.716		Mag_{G_RP} 10.059
^*Calculated from GAIA magnitudes.

Ephemeris - Verified
Kokori et al. 2021
Mid-time 2455554.83317 ± 7e-05 BJD_TDB
Period 1.84683511 ± 1.3e-07 days
Transit Parameters
Christiansen et al. 2011
R_p/R_s 0.105 ± 0.012	a/R_s 5.0 +0.8 -0.6		i 84.15 +0.16 -0.16 deg
R_p/R_s 0.105 ± 0.012	e -		ω - deg
Depth_R^* 13.56 mmag		Duration^* 2.8 hours
^Calculated from the other parameters, using PyLightcurve. ^*Adjusted to produce a duration that matches the observations.
Limb Darkening Parameters
Pollacco et al. 2008
T_eff 6400.0 +100.0 -100.0 K	Log(g) 4.25 +0.05 -0.05 cm/s²		Fe/H 0.0 +0.2 -0.2 dex

ExoClock Status
Observing Priority ExoClock Observations (Recent) Space Observations Literature Mid-times ETD Observations O-C minutes		LOW 31 (7) 75 0.43±0.17

ExoClock Observations

Observation Date	Observer Observatory	Telescope Camera / Filter / Exp [s]	O-C minutes
2022-07-30	Matthieu Bachschmidt Gonachon	Celestron C11 SBIG ST8XME / Astrodon ExoPlanet-BB / 60.0	-0.3 ± 0.6
2022-05-19	Pavol Gajdoš AO Kolonica	Maksutov-Newton 152/731 G2-8300 / g' / 60.0	2.4 ± 5.8
2022-05-19	Pavol Gajdoš AO Kolonica	Maksutov-Newton 152/731 G2-8300 / r' / 60.0	2.4 ± 5.8
2022-05-19	Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81)	Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Lum / 60.0	-0.3 ± 1.2
2022-05-07	Stéphane Montchaud Burgundy Observatory	Celestron 8 Zwo Asi 1600 / Lum / 120.0	2.7 ± 2.4
2022-05-07	Adam Popowicz Otivar dome2	Newton 12" ASA ASI ZWO 1600MM / R / 27.0	2.3 ± 1.6
2021-08-28	Giuseppe Marino Gruppo Astrofili Catanesi	Newtonian SBIG ST-7 XME / R / 90.0	1.8 ± 1.2
2021-08-02	Paolo Arcangelo Matassa P.M.P.H.R. Deep Sky (K81)	Ritchey Chretien ICX453AQ / Clear / 120.0	-1.8 ± 1.7
2021-06-28	Attilio Bruzzone Gruppo Astrofili Frentani	LX200 ACF FLI Microline 11002 / Lum / 60.0	-2.7 ± 1.4
2021-06-15	Martin Crow Burnham Observatory	Celestron C9.25 SX694 mono / R / 50.0	2.0 ± 1.6
2021-05-11	Andrzej Malcher Observatory Pyskowice	RC12" GSO ASI ZWO 1600 MM / ATIK 11000M / R / 60.0	4.2 ± 2.2
2021-05-11	Üllar Kivila Science Centre AHHAA	TS Optics RC 203/1624 ZWO ASI224MC / Lum / 60.0	-4.1 ± 2.3
2020-07-13	Manfred Raetz privat observatory Herges-Hallenberg	SCT 280 /1790 (Celestron C11 with reducer) Moravian Instruments G2-1600 / R / 120.0	-0.4 ± 0.6	- Data available
2020-06-18	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / V / 120.0	0.8 ± 1.3	- Data available
2020-06-07	Nikolaos Paschalis Nunki Observatory	Officina Stellare RILA 400 SBIG STXL 11002 / R / 60.0	5.0 ± 2.0	- Data available
2020-05-25	Mauro Caló Cavallino	RC SBIG ST10 / Lum / 60.0	-0.5 ± 0.9	- Data available
2020-05-25	Alberto Tomatis Alto-Observatory	RC STL 6303 / Lum / 50.0	-1.1 ± 1.0	- Data available
2020-05-25	Adrian Jones Oldfield Observatory (I64)	Meade ACF 30cm QSI 583 / R / 30.0	-1.4 ± 1.4	- Data available
2020-05-25	Patrick Brandebourg Patrick Brandebourg (Observatoire du Guernet)	RC 250 Sbig ST8300M / R / 90.0	-3.1 ± 3.0	- Data available
2020-04-19	Adrian Jones Oldfield Observatory (I64)	Meade ACF QSI 583 / R / 30.0	-3.1 ± 1.3	- Data available
2020-03-26	Tõnis Eenmäe Tartu Observatory	Planewave CDK 12.5 Apogee Alta U42 / R / 30.0	-0.0 ± 1.6	- Data available
2019-09-04	Fabio Salvaggio WBRO - K49	C9.25" SBIG ST8-XME / V / 300.0	1.1 ± 1.2
2019-07-05	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / B / 120.0	2.2 ± 1.2	- Data available
2019-06-23	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / V / 60.0	-0.8 ± 0.4	- Data available
2019-05-05	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Lum / 60.0	-1.2 ± 1.2	- Data available
2018-09-20	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 60.0	4.6 ± 1.4	- Data available
2018-09-07	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Lum / 60.0	1.8 ± 0.4	- Data available
2018-08-25	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Lum / 60.0	1.5 ± 0.7	- Data available
2017-06-17	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / V / 120.0	1.9 ± 1.4	- Data available
2017-05-24	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / Lum / 60.0	3.6 ± 1.0	- Data available
2013-05-14	Alessandro Marchini Astronomical Observatory, University of Siena	Mak-Cas 0.3m f/5.6 Sbig STL-6303 / Astrodon ExoPlanet-BB / 60.0	0.1 ± 1.2

Literature Mid-times

Observation Date	Mid-time	Time format	Reference	O-C minutes
2011-10-15	2455850.3274 ± 0.001	BJD_TDB	Maciejewski et al. 2013	0.3 ± 1.4
2011-10-02	2455837.39876 ± 0.00044	BJD_TDB	Maciejewski et al. 2013	-0.3 ± 0.6
2011-09-08	2455813.3891 ± 0.0015	BJD_TDB	Maciejewski et al. 2013	-1.4 ± 2.2
2011-09-08	2455813.38792 ± 0.00098	BJD_TDB	Montalto et al. 2012	-3.1 ± 1.4
2011-08-26	2455800.46137 ± 0.00055	BJD_TDB	Maciejewski et al. 2013	-1.3 ± 0.8
2011-08-26	2455800.46112 ± 0.0017	BJD_TDB	Montalto et al. 2012	-1.6 ± 2.4
2011-08-14	2455787.53583 ± 0.00053	BJD_TDB	Maciejewski et al. 2013	2.1 ± 0.8
2011-08-14	2455787.53379 ± 0.0008	BJD_TDB	Montalto et al. 2012	-0.9 ± 1.2
2011-08-02	2455776.45452 ± 0.00092	BJD_TDB	Maciejewski et al. 2013	1.6 ± 1.3
2011-08-02	2455776.45192 ± 0.00089	BJD_TDB	Nascimbeni et al. 2013	-2.1 ± 1.3
2011-07-22	2455765.3718 ± 0.0014	BJD_TDB	Maciejewski et al. 2013	-0.8 ± 2.0
2011-07-21	2455763.52552 ± 0.0007	BJD_TDB	Montalto et al. 2012	-0.1 ± 1.0
2011-07-21	2455763.52511 ± 0.00031	BJD_TDB	Nascimbeni et al. 2013	-0.6 ± 0.4
2011-07-06	2455748.7507 ± 0.0011	BJD_TDB	Maciejewski et al. 2013	-0.2 ± 1.6
2011-06-27	2455739.51735 ± 0.00064	BJD_TDB	Maciejewski et al. 2013	1.0 ± 0.9
2011-06-27	2455739.5162 ± 0.00017	BJD_TDB	Nascimbeni et al. 2013	-0.7 ± 0.2
2011-06-15	2455728.43608 ± 0.00052	BJD_TDB	Maciejewski et al. 2013	0.6 ± 0.7
2011-06-03	2455715.50882 ± 0.00057	BJD_TDB	Nascimbeni et al. 2013	1.4 ± 0.8
2011-06-03	2455715.50824 ± 0.00072	BJD_TDB	Maciejewski et al. 2013	0.6 ± 1.0
2011-06-03	2455715.50608 ± 0.00074	BJD_TDB	Montalto et al. 2012	-2.5 ± 1.1
2011-05-21	2455702.58052 ± 0.00028	BJD_TDB	Nascimbeni et al. 2013	0.8 ± 0.4
2011-05-17	2455698.88641 ± 0.00027	BJD_TDB	Maciejewski et al. 2013	0.1 ± 0.4
2011-05-17	2455698.88358 ± 0.0006	BJD_TDB	Sada et al. 2012	-3.9 ± 0.9
2011-05-09	2455691.49938 ± 0.00086	BJD_TDB	Maciejewski et al. 2013	0.6 ± 1.2
2011-05-08	2455689.65263 ± 0.00015	BJD_TDB	Nascimbeni et al. 2013	0.7 ± 0.2
2011-04-27	2455678.57065 ± 0.00106	BJD_TDB	Montalto et al. 2012	-0.7 ± 1.5
2011-04-14	2455665.64627 ± 0.00069	BJD_TDB	Montalto et al. 2012	4.3 ± 1.0
2011-04-03	2455654.5618 ± 0.0014	BJD_TDB	Maciejewski et al. 2013	-0.7 ± 2.0
2010-09-11	2455451.4101 ± 0.0004	BJD_TDB	Maciejewski et al. 2013	-0.4 ± 0.6
2010-08-29	2455438.4827 ± 0.0006	BJD_TDB	Maciejewski et al. 2013	0.2 ± 0.9
2010-08-28	2455436.6353 ± 0.001	BJD_TDB	Maciejewski et al. 2013	-1.0 ± 1.4
2010-08-15	2455423.70889 ± 0.00048	BJD_TDB	Nascimbeni et al. 2013	1.5 ± 0.7
2010-08-05	2455414.47305 ± 0.00052	BJD_UTC	Eibe et al. 2012	0.2 ± 0.7
2010-08-05	2455414.47368 ± 0.00073	BJD_TDB	Maciejewski et al. 2013	-0.0 ± 1.1
2010-07-24	2455401.54564 ± 0.00036	BJD_TDB	Maciejewski et al. 2013	-0.3 ± 0.5
2010-07-09	2455386.77 ± 0.002	BJD_TDB	Maciejewski et al. 2013	-1.7 ± 2.9
2010-06-26	2455373.8423 ± 0.00086	BJD_TDB	Maciejewski et al. 2013	-1.5 ± 1.2
2010-06-18	2455366.4561 ± 0.001	BJD_TDB	Maciejewski et al. 2013	0.0 ± 1.4
2010-06-15	2455362.76233 ± 0.0004	BJD_TDB	Maciejewski et al. 2013	-0.0 ± 0.6
2010-06-07	2455355.37419 ± 0.00053	BJD_TDB	Maciejewski et al. 2013	-1.1 ± 0.8
2010-06-02	2455349.83457 ± 0.00039	BJD_TDB	Sada et al. 2012	0.1 ± 0.6
2010-06-02	2455349.83182 ± 0.00039	BJD_TDB	Sada et al. 2012	-3.8 ± 0.6
2010-05-25	2455342.447 ± 0.0012	BJD_TDB	Maciejewski et al. 2013	-0.2 ± 1.7
2010-04-30	2455316.591 ± 0.00084	BJD_UTC	Eibe et al. 2012	0.5 ± 1.2
2010-04-19	2455305.51082 ± 0.00039	BJD_TDB	Maciejewski et al. 2010	0.6 ± 0.6
2009-11-03	2455139.29713 ± 0.00049	BJD_TDB	Maciejewski et al. 2010	2.7 ± 0.7
2009-09-27	2455102.35933 ± 0.00056	BJD_TDB	Maciejewski et al. 2010	1.1 ± 0.8
2009-09-24	2455098.66406 ± 0.00044	BJD_TDB	Maciejewski et al. 2013	-1.2 ± 0.6
2009-09-03	2455078.34873 ± 0.00058	BJD_TDB	Maciejewski et al. 2010	-1.4 ± 0.8
2009-09-02	2455076.4985 ± 0.00116	BJD_UTC	Eibe et al. 2012	-5.2 ± 1.7
2009-08-21	2455065.41995 ± 0.00059	BJD_TDB	Maciejewski et al. 2010	-2.8 ± 0.8
2009-08-05	2455048.80065 ± 0.00107	BJD_TDB	Nascimbeni et al. 2013	0.4 ± 1.5
2009-07-28	2455041.41271 ± 0.00049	BJD_TDB	Maciejewski et al. 2010	-0.4 ± 0.7
2009-07-25	2455037.71878 ± 0.00086	BJD_TDB	Nascimbeni et al. 2013	-0.8 ± 1.2
2009-06-05	2454987.85256 ± 0.00093	BJD_TDB	Nascimbeni et al. 2013	-3.2 ± 1.3
2009-05-25	2454976.7729 ± 0.00051	HJD_UTC	Tripathi et al. 2010	-0.2 ± 0.7
2009-05-16	2454967.53651 ± 0.00085	BJD_TDB	Montalto et al. 2012	-4.5 ± 1.2
2009-05-12	2454963.84563 ± 0.00055	BJD_TDB	Sada et al. 2012	-0.4 ± 0.8
2009-05-12	2454963.84361 ± 0.00072	HJD_UTC	Tripathi et al. 2010	-2.2 ± 1.0
2008-09-05	2454714.5221 ± 0.00036	HJD_UTC	Gibson et al. 2008	-0.5 ± 0.5
2008-09-03	2454712.67641 ± 0.00064	BJD_TDB	Nascimbeni et al. 2013	0.1 ± 0.9
2008-08-15	2454694.20711 ± 0.00042	BJD_UTC	Christiansen et al. 2011	-0.2 ± 0.6
2008-08-13	2454692.36117 ± 0.00043	BJD_UTC	Christiansen et al. 2011	1.1 ± 0.6
2008-08-12	2454690.51381 ± 0.00055	BJD_UTC	Christiansen et al. 2011	0.3 ± 0.8
2008-08-08	2454686.82053 ± 0.00059	BJD_UTC	Christiansen et al. 2011	0.9 ± 0.8
2008-08-06	2454684.97486 ± 0.00027	BJD_UTC	Christiansen et al. 2011	2.6 ± 0.4
2008-08-04	2454683.1274 ± 0.00035	BJD_UTC	Christiansen et al. 2011	1.7 ± 0.5
2008-08-02	2454681.27911 ± 0.0004	BJD_UTC	Christiansen et al. 2011	-0.4 ± 0.6
2008-07-31	2454679.43264 ± 0.0005	BJD_UTC	Christiansen et al. 2011	0.1 ± 0.7
2008-07-13	2454660.96435 ± 0.00021	HJD_UTC	Tripathi et al. 2010	0.2 ± 0.3
2008-06-21	2454638.80329 ± 0.00031	HJD_UTC	Tripathi et al. 2010	1.6 ± 0.4
2008-06-10	2454627.72098 ± 0.00031	HJD_UTC	Tripathi et al. 2010	-0.3 ± 0.4
2008-05-19	2454605.55956 ± 0.00035	HJD_UTC	Gibson et al. 2008	0.6 ± 0.5
2008-05-15	2454601.86514 ± 0.00027	HJD_UTC	Tripathi et al. 2010	-0.5 ± 0.4
2007-02-12	2454143.8503 ± 0.0004	BJD_UTC	Pollacco et al. 2008	-0.1 ± 0.6

WASP-3b

Discovered by: Pollacco et al. 2008

ExoClock Observations

Literature Mid-times