exoclock

HAT-P-33b (LOW)

Discovered by: Hartman et al. 2011

The Star
Simbad
GAIA
2MASS		 HAT-P-33
DR2 893550942158776832
J07324421+3350061
RA 07:32:44.2170 DEC +33:50:06.118
Parallax
2.497 mas		 P.M. RA
0.096 mas/y		 P.M. DEC
-2.647 mas/y
MagV
11.03		 MagR
11.1		 MagI*
10.518		 MagJ
10.263		 MagH
10.061		 MagK
10.004
MagG
11.024		 MagGBP
11.256		 MagGRP
10.664
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2458078.129918 ± 8.8e-05 BJDTDB
Period
3.47447703 ± 1.8e-07 days
Transit Parameters
Hartman et al. 2011
Rp/Rs
0.1058 ± 0.0011		 a/Rs**
6.3889 +0.075 -0.0075
 i
87.2 +0.0 -0.1 deg
e
-		 ω
- deg
DepthR*
14.4 mmag		 Duration*
4.43 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hartman et al. 2011
Teff
6446.0 +88.0 -88.0 K
 Log(g)
4.146 +0.02 -0.02 cm/s2
 Fe/H
0.07 +0.08 -0.08 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 52 (4)
O-C 0.94 ± 0.42 minutes
ExoClock Observations (Recent) 17 (4)
Space Observations (Recent) 24 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 11 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.10264 ± 0.00022

HAT-P-33b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
HAT-P-33b (LOW)
2024-11-27		Yen-Hsing Lin
Starry House Observatory		Mewlon 300 CRS
ASI 6200MM Pro / Lum / 60.0		1.37 ± 1.21
HAT-P-33b (LOW)
2024-11-27		Alexey Garmash
Lyceum 130		SW Esprit 150ED
ASI1600MM / V / 300.0		-2.11 ± 2.16
HAT-P-33b (LOW)
2024-10-30		Üllar Kivila
Looga Observatory		TS Optics (GSO) 8" RC
Omegon veTEC 585 C / Clear / 180.0		5.11 ± 2.74
HAT-P-33b (LOW)
2024-01-16		Yen-Hsing Lin
NTHU TAT		GSO RC10
Apogee AltaF-6: KAF1001E / Clear / 30.0		2.8 ± 3.74
HAT-P-33b (LOW)
2023-03-16		Andre Kovacs
Moletai Astronomical Observatory (MAO)		35 cm Maksutov f/3.5
Apogee Alta U47 / R / 30.0		1.83 ± 0.89
HAT-P-33b (LOW)
2023-03-16		Francesco Scaggiante
Gruppo Astrofili Salese "GALILEO GALILEI"		NEWTON 410/1710
Custom made with KAF-1603ME CCD sensor / R / 25.0		1.47 ± 1.58
HAT-P-33b (LOW)
2023-03-16		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		-0.98 ± 1.27
HAT-P-33b (LOW)
2023-03-09		Andre Kovacs
Moletai Astronomical Observatory (MAO)		35 cm Maksutov f/3.5
Apogee Alta U47 / R / 40.0		2.21 ± 0.91
HAT-P-33b (LOW)
2023-03-09		Tõnis Eenmäe
Tartu Observatory		Planewave CDK 12.5
Apogee Alta U42 / R / 50.0		-1.1 ± 1.01
HAT-P-33b (LOW)
2022-01-30		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 150.0		-0.42 ± 1.44
HAT-P-33b (LOW)
2022-01-23		Andras Dan
Rocca1		Celestron C8
QHY 183 M / AstrodonExoPlanet-BB / 60.0		-2.4 ± 1.34
HAT-P-33b (LOW)
2022-01-23		Mercedes Correa
Sirius B		Meade
Moravian G2 1600 / R / 100.0		-3.02 ± 1.02
HAT-P-33b (LOW)
2021-10-22		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 100.0		0.35 ± 1.73
HAT-P-33b (LOW)
2021-02-20		Roland Casali
Alto 2000		Ritchey Chretien
Kepler 400 sCMOS / I / 10.0		-0.23 ± 2.88
HAT-P-33b (LOW)
2021-02-20		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0		-1.82 ± 1.3
HAT-P-33b (LOW)
2020-11-19		Riccardo Ciantini
Osservatorio Polifunzionale del Chianti		Ritchey-Chretien
Moravian G4-9000 / V / 30.0		0.03 ± 0.58
HAT-P-33b (LOW)
2020-11-19		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / R / 120.0		-0.26 ± 1.44

Space Observations
Planet
Observation Date		 Mission O-C
minutes
HAT-P-33b (LOW)
2021-12-27		TESS0.67 ± 0.82
HAT-P-33b (LOW)
2021-12-23		TESS-0.52 ± 0.88
HAT-P-33b (LOW)
2021-12-20		TESS0.08 ± 0.82
HAT-P-33b (LOW)
2021-12-13		TESS-1.74 ± 0.85
HAT-P-33b (LOW)
2021-12-09		TESS-0.51 ± 0.88
HAT-P-33b (LOW)
2021-12-06		TESS1.78 ± 0.81
HAT-P-33b (LOW)
2021-11-29		TESS-1.62 ± 0.96
HAT-P-33b (LOW)
2021-11-25		TESS-0.08 ± 0.94
HAT-P-33b (LOW)
2021-11-18		TESS-0.43 ± 0.94
HAT-P-33b (LOW)
2021-11-15		TESS-0.42 ± 0.81
HAT-P-33b (LOW)
2021-11-11		TESS0.51 ± 0.92
HAT-P-33b (LOW)
2021-11-08		TESS0.82 ± 0.76
HAT-P-33b (LOW)
2021-11-05		TESS-0.32 ± 0.79
HAT-P-33b (LOW)
2021-11-01		TESS0.31 ± 0.82
HAT-P-33b (LOW)
2021-10-29		TESS0.39 ± 0.84
HAT-P-33b (LOW)
2021-10-22		TESS-0.14 ± 0.78
HAT-P-33b (LOW)
2021-10-18		TESS-0.67 ± 0.81
HAT-P-33b (LOW)
2021-10-15		TESS1.35 ± 0.78
HAT-P-33b (LOW)
2020-01-18		TESS-0.35 ± 0.91
HAT-P-33b (LOW)
2020-01-14		TESS-0.11 ± 0.82
HAT-P-33b (LOW)
2020-01-11		TESS1.14 ± 0.81
HAT-P-33b (LOW)
2020-01-04		TESS0.7 ± 0.85
HAT-P-33b (LOW)
2019-12-31		TESS1.5 ± 0.84
HAT-P-33b (LOW)
2019-12-28		TESS-0.45 ± 0.84

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2016-01-09 Wang et al. 2017 -0.85 ± 0.95
2015-02-13 Wang et al. 2017 0.56 ± 0.62
2015-01-30 Wang et al. 2017 -1.82 ± 0.68
2015-01-23 Wang et al. 2017 -0.62 ± 0.66
2015-01-16 Wang et al. 2017 0.48 ± 0.66
2014-03-06 Wang et al. 2017 0.42 ± 0.84
2014-03-06 Wang et al. 2017 -0.51 ± 0.66
2014-02-27 Wang et al. 2017 0.08 ± 0.94
2014-02-27 Wang et al. 2017 -0.39 ± 0.99
2013-12-09 Wang et al. 2017 -0.2 ± 1.04
2009-10-06 Hartman et al. 2011 0.27 ± 0.32
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