exoclock

HAT-P-44b (LOW)

Discovered by: Hartman et al. 2014

The Star
Simbad
GAIA
2MASS		 HAT-P-44
DR2 1506159170017461888
J14123457+4700528
RA 14:12:34.5714 DEC +47:00:53.045
Parallax
2.846 mas		 P.M. RA
-29.681 mas/y		 P.M. DEC
11.079 mas/y
MagV
13.21		 MagR
12.83		 MagI
12.31		 MagJ
11.729		 MagH
11.36		 MagK
11.275
MagG
12.973		 MagGBP
13.412		 MagGRP
12.397
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457679.78645 ± 0.00028 BJDTDB
Period
4.30119043 ± 8.2e-07 days
Transit Parameters
Hartman et al. 2014
Rp/Rs
0.1343 ± 0.001		 a/Rs
11.5 +0.5 -0.8
 i
89.1 +0.4 -0.4 deg
e
-		 ω
- deg
DepthR*
24.45 mmag		 Duration*
3.21 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hartman et al. 2014
Teff
5295.0 +100.0 -100.0 K
 Log(g)
4.46 +0.06 -0.06 cm/s2
 Fe/H
0.33 +0.1 -0.1 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 7.45"
Total Observations (Recent) 37 (4)
O-C 1.25 ± 0.49 minutes
ExoClock Observations (Recent) 31 (4)
Space Observations (Recent) 5 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.1345 ± 0.0012

HAT-P-44b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
HAT-P-44b (LOW)
2024-04-14		Dim Stouraitis
Galilaios		SCT
SXVF-H9 Starlight-Xpress / R / 130.0		-6.86 ± 2.3
HAT-P-44b (LOW)
2024-03-20		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		-1.18 ± 3.46
HAT-P-44b (LOW)
2023-06-23		Mark van der Grijp
Trevinca Observatory		William Optics FLT132
Poseidon-M Pro / Lum / 90.0		3.13 ± 2.02
HAT-P-44b (LOW)
2023-05-11		jean paul vergne
CH9-gapra		Ritchey Chretien
zwo 294mm pro / Lum / 180.0		3.43 ± 2.74
HAT-P-44b (LOW)
2023-04-15		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / Lum / 180.0		-0.13 ± 1.38
HAT-P-44b (LOW)
2022-05-31		Jean-François Coliac
OABAC		N200 f4
ASI 183mm pro / Clear / 120.0		5.21 ± 2.74
HAT-P-44b (LOW)
2022-05-31		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		2.18 ± 2.16
HAT-P-44b (LOW)
2022-05-31		Lorenzo Betti
Osservatorio Polifunzionale del Chianti		RC-80cm
Moravian G4 - KAF 09000 / V / 120.0		0.89 ± 0.72
HAT-P-44b (LOW)
2022-04-18		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0		3.48 ± 1.15
HAT-P-44b (LOW)
2022-03-24		Simon Dawes
William James II Observatory		Skywatcher MN190 2
ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / Lum / 120.0		2.54 ± 4.32
HAT-P-44b (LOW)
2022-03-06		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
FLI Kepler CMOS 4040 / Lum / 180.0		-2.41 ± 0.86
HAT-P-44b (LOW)
2021-04-14		Giorgio Baj
M57		Ritchey-Chretien
Sbig STT1603 ME / Clear / 120.0		-2.45 ± 1.58
HAT-P-44b (LOW)
2021-03-14		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0		-3.99 ± 1.87
HAT-P-44b (LOW)
2021-03-02		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0		4.03 ± 1.01
HAT-P-44b (LOW)
2021-03-02		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0		2.74 ± 1.44
HAT-P-44b (LOW)
2020-04-22		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0		5.19 ± 1.3
HAT-P-44b (LOW)
2019-06-25		MUSCAT Team
Teide Observatory		Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH1 g / gpr / 12.0		0.07 ± 0.42
HAT-P-44b (LOW)
2019-05-13		MUSCAT Team
Teide Observatory		Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH3 i / ipr / 8.0		-2.08 ± 0.53
HAT-P-44b (LOW)
2019-05-13		MUSCAT Team
Teide Observatory		Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B - CH2 r / rpr / 12.0		-3.25 ± 0.43
HAT-P-44b (LOW)
2019-05-01		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		0.15 ± 1.3
HAT-P-44b (LOW)
2019-05-01		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Clear / 120.0		-0.82 ± 0.36
HAT-P-44b (LOW)
2019-03-31		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		-0.66 ± 1.01
HAT-P-44b (LOW)
2018-05-21		MUSCAT Team
Teide Observatory		Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH4 z / zpr / 10.0		0.26 ± 0.69
HAT-P-44b (LOW)
2018-05-21		MUSCAT Team
Teide Observatory		Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH1 g / gpr / 12.0		-0.3 ± 0.49
HAT-P-44b (LOW)
2018-05-21		MUSCAT Team
Teide Observatory		Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B - CH2 r / rpr / 12.0		-0.41 ± 0.39
HAT-P-44b (LOW)
2018-05-21		MUSCAT Team
Teide Observatory		Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH3 i / ipr / 8.0		-1.78 ± 0.65
HAT-P-44b (LOW)
2018-05-09		MUSCAT Team
Teide Observatory		Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B - CH2 r / rpr / 12.0		0.25 ± 0.65
HAT-P-44b (LOW)
2018-05-09		MUSCAT Team
Teide Observatory		Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH1 g / gpr / 12.0		-0.11 ± 0.84
HAT-P-44b (LOW)
2018-05-09		MUSCAT Team
Teide Observatory		Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH3 i / ipr / 8.0		-1.1 ± 1.32
HAT-P-44b (LOW)
2016-06-06		Alessandro Marchini
Astronomical Observatory University of Siena		Mak-Cas 0.3m f/5.6
Sbig STL-6303 / R / 300.0		1.08 ± 1.87
HAT-P-44b (LOW)
2016-03-12		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		2.68 ± 1.58

Space Observations
Planet
Observation Date		 Mission O-C
minutes
HAT-P-44b (LOW)
2020-04-13		TESS0.91 ± 1.15
HAT-P-44b (LOW)
2020-04-09		TESS0.67 ± 1.14
HAT-P-44b (LOW)
2020-04-04		TESS1.68 ± 1.58
HAT-P-44b (LOW)
2020-03-31		TESS-2.93 ± 1.31
HAT-P-44b (LOW)
2020-03-22		TESS-2.02 ± 1.31

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2011-05-15 Hartman et al. 2014 0.08 ± 0.35
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