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HAT-P-1b

Discovered by: Bakos et al. 2007

The Star
Simbad GAIA 2MASS	BD+37 4734B DR2 1928431764627661440 J22574684+3840302
RA	22:57:46.8443		DEC	+38:40:30.355
Parallax 6.262 mas		P.M. RA 32.384 mas/y		P.M. DEC -41.751 mas/y
Mag_V 9.87	Mag_R 10.02	Mag_I 9.7	Mag_J 9.156	Mag_H 8.923	Mag_K 8.858
Mag_G 10.179		Mag_{G_BP} 10.51		Mag_{G_RP} 9.714
^* calculated from GAIA magnitudes

Ephemeris - Not verified
Nikolov et al. 2014
Mid-time 2453979.93277 ± 0.00024 BJD_TDB
Period 4.4652998 ± 6e-07 days
Transit Parameters
Nikolov et al. 2014
R_p/R_s 0.11802 ± 0.00018		a/R_s 9.85 +0.07 -0.07		i 85.63 +0.06 -0.06 deg
R_p/R_s 0.11802 ± 0.00018		e -		ω - deg
Depth_R^* 15.23 mmag			Duration^* 2.88 hours
^* calculated from the other parameters, using PyLightcurve
Limb Darkening Parameters
Torres et al. 2008
T_eff 5975.0 +120.0 -120.0 K		Log(g) 4.38 +0.03 -0.03 cm/s²		Fe/H 0.13 +0.08 -0.08 dex

ExoClock Status
Observing Priority Total Observations (Recent) O-C minutes Total Literature Mid-times		MEDIUM 9 (4) -2.3±0.4 0

HAT-P-1b

ExoClock Observations

Obs. Date	O-C (min)	Observer Observatory	Telescope Camera / Filter / Exp [s]
2020-10-05	0.4 ± 3.0	Harri Kiiskinen Hankasalmi observatory	RCOS Carbon Tube Ritchey-Chrétien Telescope SBIG STX-16803 / R / 15.0
2020-10-05	-6.4 ± 4.3	Francois Regembal HRTobs	Astrosib RC360 SBIG STX 16803 / Lum / 120.0
2020-07-21	-3.9 ± 2.0	Pierros Papadeas Archodiko	Celestron EdgeHD 9.25 ASI183MM-Pro / Lum / 10.0
2020-07-21	-8.7 ± 3.6	Martin Smith Heathwood Road	Skywatcher 120mm ED Apochromatic Atik 414 ex / R / 12.0
2019-12-02	-3.1 ± 2.2	Martin Crow Burnham Observatory	Celestron SX694 mono / R / 20.0
2019-09-09	3.2 ± 2.0	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / B / 60.0
2019-07-03	-9.4 ± 7.2	Nikolaos Paschalis Nunki Observatory	Officina Stellare RILA 400 SBIG STXL 11002 / Rc / 60.0
2017-09-28	-2.3 ± 0.4	Anaël Wünsche Observatoire des Baronnies Provençales	Astelco FLIPL230 / V / 30.0
2016-07-04	-3.0 ± 5.8	Anaël Wünsche Observatoire des Baronnies Provençales	CDK Planewave SBIG STL11K / Clear / 60.0

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