exoclock

HAT-P-1b (MEDIUM)

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
MagV
9.87		 MagR
10.02		 MagI
9.7		 MagJ
9.156		 MagH
8.923		 MagK
8.858
MagG
10.179		 MagGBP
10.51		 MagGRP
9.714
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2456476.03405 ± 0.00019 BJDTDB
Period
4.46529913 ± 3.7e-07 days
Transit Parameters
Nikolov et al. 2014
Rp/Rs
0.11802 ± 0.00018		 a/Rs
9.85 +0.07 -0.07
 i
85.63 +0.06 -0.06 deg
e
-		 ω
- deg
DepthR*
15.23 mmag		 Duration*
2.88 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Torres et al. 2008
Teff
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 MEDIUM
Minimum aperture 5.0"
Total Observations (Recent) 24 (3)
O-C 0.54 ± 0.5 minutes
ExoClock Observations (Recent) 14 (3)
Space Observations (Recent) 0 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 10 (0)
Kepler Rp/Rs -
TESS Rp/Rs -

HAT-P-1b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
HAT-P-1b (MEDIUM)
2022-11-21		Kevin Johnson
Holbrook Observatory		Meade LX10 EMC
Atik 383L+ / R / 180.0		3.19 ± 1.87
HAT-P-1b (MEDIUM)
2022-07-01		Kevin Johnson
Holbrook Observatory		Meade LX10 EMC
Atik 383L+ / R / 45.0		2.72 ± 2.02
HAT-P-1b (MEDIUM)
2022-07-01		Patrick Brandebourg
Patrick Brandebourg (Observatoire du Guernet)		RC 250
Asi294MM Pro / R / 30.0		2.43 ± 3.46
HAT-P-1b (MEDIUM)
2021-11-02		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / R / 20.0		-2.96 ± 4.32
HAT-P-1b (MEDIUM)
2021-10-24		Jacques Michelet
Claix		GSO Ritchey-Chrétien
QSI-632 / R / 30.0		1.36 ± 1.01
HAT-P-1b (MEDIUM)
2021-10-24		Robert Roth
TURMX Observatory		CFF Telescopes 160mm APO
ZWO ASI6200MM Pro / rpr / 60.0		0.49 ± 1.01
HAT-P-1b (MEDIUM)
2021-10-24		Bernhard Wenzel
Vienna Little Telescope - Department of Astrophysics		Cassegrain A=80 cm F=6,64 m
FLI Proline PL16803 / V / 15.0		-0.95 ± 0.86
HAT-P-1b (MEDIUM)
2020-10-05		Harri Kiiskinen
Hankasalmi observatory		RCOS Carbon Tube Ritchey-Chrétien Telescope
SBIG STX-16803 / R / 15.0		2.83 ± 3.02
HAT-P-1b (MEDIUM)
2020-07-22		Martin Smith
Heathwood Road		Skywatcher 120mm ED Apochromatic
Atik 414 ex / R / 12.0		-0.93 ± 4.32
HAT-P-1b (MEDIUM)
2020-07-22		Pierros Papadeas
Archodiko Avias		Celestron EdgeHD 9.25
ASI183MM-Pro / Lum / 10.0		-1.51 ± 2.02
HAT-P-1b (MEDIUM)
2019-12-02		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / R / 20.0		-0.71 ± 2.16
HAT-P-1b (MEDIUM)
2019-09-08		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / B / 60.0		2.72 ± 2.16
HAT-P-1b (MEDIUM)
2017-09-28		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / V / 30.0		-0.07 ± 0.43
HAT-P-1b (MEDIUM)
2016-07-04		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 60.0		-0.92 ± 5.76

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2012-10-03 Turner et al. 2016 -1.4 ± 1.37
2007-10-08 Johnson et al. 2008 0.69 ± 1.8
2007-09-20 Johnson et al. 2008 -1.14 ± 1.31
2006-11-29 Winn et al. 2007 1.27 ± 4.18
2006-10-02 Winn et al. 2007 0.29 ± 1.54
2006-09-28 Winn et al. 2007 0.57 ± 0.85
2006-09-19 Winn et al. 2007 1.75 ± 0.68
2006-09-19 Winn et al. 2007 -0.38 ± 0.78
2006-09-10 Winn et al. 2007 0.45 ± 1.09
2006-09-01 Winn et al. 2007 -3.71 ± 0.99
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