ExoClock

The Star
Simbad GAIA 2MASS	BD+41 4831 DR2 1925321658546436352 J23390581+4227575
RA	23:39:05.8101		DEC	+42:27:57.503
Parallax 3.604 mas		P.M. RA -20.075 mas/y		P.M. DEC 3.123 mas/y
Mag_V 10.47	Mag_R^* 10.129	Mag_I^* 9.957	Mag_J 9.558	Mag_H 9.44	Mag_K 9.313
Mag_G 10.306		Mag_{G_BP} 10.539		Mag_{G_RP} 9.946
^*Calculated from GAIA magnitudes.

Ephemeris - Verified
Kokori et al. 2022
Mid-time 2456100.88331 ± 0.0002 BJD_TDB
Period 3.85299668 ± 3.6e-07 days
Transit Parameters
Torres et al. 2008
R_p/R_s 0.0934 ± 0.0005	a/R_s 7.69 +0.22 -0.22		i 85.5 +0.3 -0.3 deg
R_p/R_s 0.0934 ± 0.0005	e -		ω - deg
Depth_R^* 10.35 mmag		Duration^* 3.51 hours
^Calculated from the other parameters, using PyLightcurve. ^*Adjusted based on the space observations.
Limb Darkening Parameters
Noyes et al. 2008
T_eff 6570.0 +80.0 -80.0 K	Log(g) 4.22 +0.03 -0.03 cm/s²		Fe/H -0.13 +0.08 -0.08 dex

ExoClock Status
Observing Priority		LOW
Minimum aperture		5.0"
Total Observations (Recent)		51 (9)
O-C		2.9 ± 0.62 minutes
ExoClock Observations (Recent)		41 (9)
Space Observations (Recent)		0 (0)
ETD Observations (Recent)		7 (0)
Literature Mid-times (Recent)		3 (0)
Kepler R_p/R_s		-
TESS R_p/R_s		-

Planet Observation Date	Observer Observatory	Telescope Camera / Filter / Exp [s]	O-C minutes
ExoClock Observations
HAT-P-6b (LOW) 2024-10-06	Deborah Smith Complejo Astronomico Los Coloraos, Gorafe	C9.25 QHY9 / R / 50.0	3.97 ± 2.88
HAT-P-6b (LOW) 2024-09-13	Simon Dawes William James II	Celestron Edge11 HD Risingcam Monochrome SONY imx571 / R / 233.0	10.71 ± 2.16
HAT-P-6b (LOW) 2024-09-13	John Savage Rushay Farm Z42	Skywatcher Esprit 150 ZWO ASI 6200MM / R / 30.0	5.81 ± 1.73
HAT-P-6b (LOW) 2024-09-13	Alberto García Sánchez Rio Cofio	MEADE LX200 Classic SBIG ST8-XME / Clear / 90.0	0.63 ± 1.73
HAT-P-6b (LOW) 2024-09-09	Xavier Bros Teide Observatory	IAC 80 CAMELOT2 / R / 48.0	3.0 ± 1.43
HAT-P-6b (LOW) 2024-08-20	Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81)	Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Lum / 30.0	3.05 ± 6.48
HAT-P-6b (LOW) 2024-08-17	Ian Sharp PixelSkies	Celestron C11 Edge HD Starlight Xpress Trius Pro SX694 / R / 30.0	5.21 ± 3.74
HAT-P-6b (LOW) 2024-08-17	Adrian Jones Private Observatory (I64)	Meade ACF 30cm QSI 583 / R / 120.0	0.48 ± 1.34
HAT-P-6b (LOW) 2024-08-17	Martin Crow Burnham Observatory	Celestron C9.25 SX694 mono / R / 60.0	0.02 ± 1.73
HAT-P-6b (LOW) 2023-08-16	Adrian Jones Private Observatory (I64)	Meade ACF 30cm QSI 583 / R / 30.0	3.45 ± 2.59
HAT-P-6b (LOW) 2022-12-28	Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81)	Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Lum / 40.0	5.9 ± 3.6
HAT-P-6b (LOW) 2022-11-01	Mark van der Grijp Trevinca Observatory	William Optics FLT132 ZWO ASI2600mm Pro / Lum / 64.0	1.08 ± 1.58
HAT-P-6b (LOW) 2022-10-08	Pieter Vuylsteke TheGardenToTheSkyFacility	TS ONTC 25cm f4.7 QHY 268M / V / 100.0	1.92 ± 2.3
HAT-P-6b (LOW) 2022-10-08	Adrian Jones Private Observatory (I64)	Meade ACF 30cm QSI 583 / R / 60.0	-1.4 ± 1.58
HAT-P-6b (LOW) 2022-10-08	Simon Dawes William James II Observatory	Skywatcher MN190 2 ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / R / 150.0	-2.69 ± 4.03
HAT-P-6b (LOW) 2022-10-05	Manfred Raetz privat observatory Herges-Hallenberg	SCT 280 /1790 (Celestron C11 with reducer) Moravian Instruments G2-1600 / AstrodonExoPlanet-BB / 120.0	2.2 ± 2.16
HAT-P-6b (LOW) 2022-10-05	christian PANTACCHINI Observatoire de Benayes	Skywhatcher Newton QHY8L / R / 60.0	0.47 ± 3.74
HAT-P-6b (LOW) 2022-09-11	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / R / 120.0	0.15 ± 2.02
HAT-P-6b (LOW) 2021-10-07	Manfred Raetz privat observatory Herges-Hallenberg	SCT 280 /1790 (Celestron C11 with reducer) Moravian Instruments G2-1600 / R / 90.0	-0.41 ± 0.86
HAT-P-6b (LOW) 2021-09-10	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / R / 30.0	1.0 ± 1.73
HAT-P-6b (LOW) 2021-09-10	Claudio Lopresti Claudio Lopresti	Mak-Newton CCD Sbig ST10xme / I / 120.0	-4.48 ± 3.6
HAT-P-6b (LOW) 2021-09-07	Jean-Baptiste Marquette MrKite47	Newton Sky-Watcher 200/1000 ZWO ASI183MM Pro / R / 90.0	4.59 ± 2.59
HAT-P-6b (LOW) 2021-09-07	Adrian Jones Private Observatory (I64)	Meade ACF 30cm QSI 583 / R / 30.0	1.42 ± 2.02
HAT-P-6b (LOW) 2021-09-07	Patrick Brandebourg Patrick Brandebourg (Observatoire du Guernet)	RC 250 Asi294MM Pro / R / 120.0	-1.6 ± 2.16
HAT-P-6b (LOW) 2021-08-14	Claudio Lopresti Claudio Lopresti	Mak-Newton CCD Sbig ST10xme / I / 120.0	2.26 ± 4.32
HAT-P-6b (LOW) 2021-08-14	Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81)	Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Clear / 120.0	2.26 ± 5.76
HAT-P-6b (LOW) 2021-08-14	Carmelo Falco GALHassin Robotic Telescope 2 (GRT2)	Giacometti-Fogale RC16 Andor Apogee Aspen CG16M / gpr / 30.0	2.11 ± 2.59
HAT-P-6b (LOW) 2021-08-14	Adam Popowicz Observatory Pyskowice	RC12" GSO ASI ZWO 1600 MM / ATIK 11000M / R / 60.0	1.83 ± 2.74
HAT-P-6b (LOW) 2021-08-14	Carmelo Falco GAL Hassin Robotic Telescope 2 (GRT2) - Multiband	Giacometti-Fogale RC16 - 2 Andor Apogee Aspen CG16M / R / 30.0	1.68 ± 1.73
HAT-P-6b (LOW) 2021-08-14	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / R / 60.0	1.39 ± 2.16
HAT-P-6b (LOW) 2021-08-14	Alessandro Marchini Astronomical Observatory University of Siena	Mak-Cas 0.3m f/5.6 Sbig STL-6303 / I / 180.0	-0.91 ± 1.87
HAT-P-6b (LOW) 2021-08-11	Adrian Jones Private Observatory (I64)	Meade ACF 30cm QSI 583 / R / 30.0	-2.07 ± 4.32
HAT-P-6b (LOW) 2020-10-06	Tõnis Eenmäe Tartu Observatory	Zeiss 600 Andor Ikon-L / R / 20.0	-1.73 ± 1.3
HAT-P-6b (LOW) 2020-09-29	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / R / 60.0	-1.88 ± 2.88
HAT-P-6b (LOW) 2020-09-06	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / V / 120.0	-3.06 ± 2.16
HAT-P-6b (LOW) 2020-08-10	Carmelo Falco GALHassin Robotic Telescope 2 (GRT2)	Giacometti-Fogale RC16 Andor Apogee Aspen CG16M / R / 30.0	1.94 ± 1.3
HAT-P-6b (LOW) 2020-08-10	Mauro Caló Cavallino	RC SBIG ST10 / Lum / 60.0	-4.97 ± 1.87
HAT-P-6b (LOW) 2019-10-02	Martin Crow Burnham Observatory	Celestron C9.25 SX694 mono / R / 60.0	-2.91 ± 4.32
HAT-P-6b (LOW) 2018-07-13	Yves Jongen Rasteau Observatory	Plane Wave CDK 17" SBIG STXL 11002 / V / 120.0	-3.03 ± 1.73
HAT-P-6b (LOW) 2012-09-22	Filip Walter Stefanik Observatory	Meade SCT SBIG ST-10XME / R / 60.0	-0.62 ± 1.44
HAT-P-6b (LOW) 2010-08-21	Ramon Naves Montcabrer	Meade LX200 12" ACF Sbig ST8xme / R / 120.0	0.74 ± 2.02
ETD Observations
Planet Observation Date	Observer(s)	ETD link	O-C minutes
HAT-P-6b (LOW) 2018-09-28	Pere Guerra	1538266350	-1.39 ± 2.19
HAT-P-6b (LOW) 2013-11-12	Mark Salisbury	1384411430	0.11 ± 2.22
HAT-P-6b (LOW) 2013-10-17	Mark Salisbury	1382335760	2.02 ± 1.73
HAT-P-6b (LOW) 2012-10-08	Joe Garlitz	1349704295	-0.89 ± 1.73
HAT-P-6b (LOW) 2010-08-21	Radek Dřevěný	1282518035	-1.3 ± 1.4
HAT-P-6b (LOW) 2009-11-02	Stan Shadick	1257226988	0.37 ± 1.87
HAT-P-6b (LOW) 2009-08-20	Luboš Brát	1251063899	-0.0 ± 1.58
Literature Mid-times
Planet Observation Date	Reference		O-C minutes
2009-11-25	Todorov et al. 2012		1.15 ± 0.49
2008-10-01	Todorov et al. 2012		1.73 ± 0.91
2006-10-27	Noyes et al. 2008		-0.83 ± 0.4

HAT-P-6b (LOW)

Discovered by: Noyes et al. 2008

ExoClock Observations

ETD Observations

Literature Mid-times