exoclock

HAT-P-5b (LOW)

Discovered by: Bakos et al. 2007

The Star
Simbad
GAIA
2MASS		 HAT-P-5
DR2 4606030169272920320
J18173731+3637170
RA 18:17:37.3127 DEC +36:37:17.168
Parallax
3.268 mas		 P.M. RA
11.866 mas/y		 P.M. DEC
6.031 mas/y
MagV
11.95		 MagR*
11.604		 MagI*
11.256		 MagJ
10.844		 MagH
10.522		 MagK
10.481
MagG
11.822		 MagGBP
12.154		 MagGRP
11.349
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2457861.21529 ± 0.0001 BJDTDB
Period
2.78847309 ± 1.2e-07 days
Transit Parameters
Torres et al. 2008
Rp/Rs
0.1106 ± 0.0006		 a/Rs
7.5 +0.19 -0.19
 i
86.8 +0.4 -0.4 deg
e
-		 ω
- deg
DepthR*
15.58 mmag		 Duration*
2.94 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Torres et al. 2008
Teff
5960.0 +100.0 -100.0 K
 Log(g)
4.0 +0.2 -0.2 cm/s2
 Fe/H
0.24 +0.15 -0.15 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.09"
Total Observations (Recent) 90 (11)
O-C 0.58 ± 0.43 minutes
ExoClock Observations (Recent) 51 (11)
Space Observations (Recent) 32 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 7 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.11361 ± 0.00032

HAT-P-5b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
HAT-P-5b (LOW)
2026-04-09		Üllar Kivila
Looga Observatory		TS Optics (GSO) 8" RC
Omegon veTEC 585 C / Lum / 150.0		1.55 ± 1.38
HAT-P-5b (LOW)
2025-08-15		Stefan Brenner
NOE Volkssternwarte AST		Martini-Truss mit Zambuto 11“ f/4,7
Omegon veTEC 571 C / Clear / 120.0		-0.91 ± 1.44
HAT-P-5b (LOW)
2025-08-15		Vojtěch Školník
Hvězdárna v Úpici		SW N200/800
MI C2-7000A / Clear / 60.0		-2.49 ± 3.46
HAT-P-5b (LOW)
2025-08-15		Rodrigo Castillo
Rodrigo-Moro		Meade ACF-SC 10
Atik 383L+ Mono / Lum / 60.0		-5.37 ± 4.03
HAT-P-5b (LOW)
2025-07-19		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		3.02 ± 2.88
HAT-P-5b (LOW)
2025-06-23		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		2.53 ± 1.58
HAT-P-5b (LOW)
2025-06-23		Antonino Brosio
ABObservatory		Skywatcher Newton Quattro 300P
Atik 383 L / Clear / 90.0		1.52 ± 1.87
HAT-P-5b (LOW)
2025-05-01		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		6.26 ± 2.88
HAT-P-5b (LOW)
2025-05-01		Stefan Brenner
NOE Volkssternwarte AST		Martini-Truss mit Zambuto 11“ f/4,7
Omegon veTEC 571 C / Clear / 180.0		4.53 ± 1.87
HAT-P-5b (LOW)
2025-05-01		Tommaso Dittadi
TD-TRO		Ritchey-Chretien
Moravian G2-1600 / R / 90.0		3.09 ± 2.02
HAT-P-5b (LOW)
2025-05-01		Federico Palaia
Civico osservatorio astronomico di Rozzano		Meade ACF
SBIG ST10-XME / Lum / 180.0		0.21 ± 2.59
HAT-P-5b (LOW)
2024-08-12		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		0.74 ± 2.3
HAT-P-5b (LOW)
2024-07-15		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		0.93 ± 2.02
HAT-P-5b (LOW)
2024-06-15		Charles Miller
Miller Observatory		Meade 12" LX850
QHY268M / R / 75.0		0.65 ± 1.58
HAT-P-5b (LOW)
2024-06-06		Alberto Tomatis
Alto-Observatory		RC
QHY 268M / Lum / 45.0		-1.02 ± 0.81
HAT-P-5b (LOW)
2024-06-06		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		-2.49 ± 2.3
HAT-P-5b (LOW)
2023-08-21		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		5.0 ± 2.16
HAT-P-5b (LOW)
2023-08-21		David Quiles
David Quiles Observatory		Celestron EDGEHD 800
Omegon veTEC 571M / R / 120.0		-0.18 ± 2.02
HAT-P-5b (LOW)
2023-08-21		Michael Irzyk
melun		C14
altair 2600 / Clear / 60.0		-2.47 ± 0.96
HAT-P-5b (LOW)
2023-07-13		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		-2.6 ± 2.74
HAT-P-5b (LOW)
2023-06-29		Balazs Benei
BeneiObs		SkyWatcher 200/1000 Newton
ZWO ASI 178 MC / Clear / 30.0		3.54 ± 1.73
HAT-P-5b (LOW)
2023-06-16		Guillaume Biesse
Observatoire de la colline Tossius		Ritchey Chretien GSO
ASI 533 MM - Gain=0 / rpr / 180.0		-1.56 ± 1.09
HAT-P-5b (LOW)
2023-06-16		Adam Popowicz
Otivar dome2		Newton 12" ASA
ASI ZWO 1600MM / R / 65.0		-2.14 ± 0.96
HAT-P-5b (LOW)
2023-06-02		Gustavo Muler
Obs. Nazaret		lx 200
ST8 XME AO8 / R / 100.0		-2.07 ± 1.32
HAT-P-5b (LOW)
2023-05-30		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / R / 180.0		2.97 ± 2.3
HAT-P-5b (LOW)
2022-08-04		Stephane Ferratfiat
Observatoire des Baronnies Provençales		T430
Cmos ASI 6200 ZWO / Clear / 120.0		-0.6 ± 0.58
HAT-P-5b (LOW)
2022-07-21		andrea ferrero
Bigmuskie Observatory		Marcon Ritchey-Chrétien
Moravian g3 1000 / R / 120.0		1.95 ± 1.3
HAT-P-5b (LOW)
2022-07-08		David Arnot
OSO PIRATE		PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph
FLI ProLine KAF-16803 / R / 45.0		-1.09 ± 0.76
HAT-P-5b (LOW)
2022-06-12		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		1.98 ± 4.32
HAT-P-5b (LOW)
2022-05-29		Simon Dawes
William James II Observatory		Skywatcher MN190 2
ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / Lum / 120.0		3.51 ± 2.74
HAT-P-5b (LOW)
2022-05-29		christian PANTACCHINI
Observatoire de Benayes		Skywhatcher Newton
QHY8L / Lum / 60.0		2.07 ± 3.6
HAT-P-5b (LOW)
2022-05-29		Thomas Mollier
Tomastro		Newtonian
ZWO ASI1600MMC / Clear / 120.0		-3.25 ± 2.59
HAT-P-5b (LOW)
2022-03-24		Alessandro Marchini
Astronomical Observatory University of Siena		Mak-Cas 0.3m f/5.6
Sbig STL-6303 / R / 180.0		0.86 ± 3.02
HAT-P-5b (LOW)
2022-03-10		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		2.53 ± 1.73
HAT-P-5b (LOW)
2021-11-01		Trevor Gainey
Kismet		Meade LX200
ZWO ASI 294 MC Pro / Lum / 75.0		3.2 ± 1.73
HAT-P-5b (LOW)
2021-11-01		Trevor Gainey
Kismet		Meade LX200 RED CHANNEL
ZWO ASI 294 MC Pro RED CHANNEL / R / 75.0		2.48 ± 2.3
HAT-P-5b (LOW)
2021-08-26		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / R / 120.0		1.84 ± 0.86
HAT-P-5b (LOW)
2021-07-30		Eric Miny
BLOIS SOLOGNE ASTRONOMIE OBSERVATORY		Newton T305
QSI 683WS / Clear / 60.0		1.59 ± 1.58
HAT-P-5b (LOW)
2021-07-04		Jerzy Fiołka
Observatory Pyskowice		RC12" GSO
ASI ZWO 1600 MM / ATIK 11000M / R / 180.0		2.68 ± 2.02
HAT-P-5b (LOW)
2021-04-29		Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)		Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / Lum / 60.0		-0.12 ± 1.01
HAT-P-5b (LOW)
2020-07-26		Stephen M. Brincat
Flarestar Observatory - MPC Code:171		Meade SCT
Moravian G2-1600 / Clear / 120.0		-1.36 ± 1.58
HAT-P-5b (LOW)
2020-06-03		Francois Regembal
HRTobs		Astrosib RC360
SBIG STX 16803 / Lum / 60.0		0.49 ± 1.15
HAT-P-5b (LOW)
2020-05-21		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 60.0		3.18 ± 1.15
HAT-P-5b (LOW)
2020-04-25		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / R / 120.0		2.11 ± 1.44
HAT-P-5b (LOW)
2020-04-12		Danilo Sedita
Osservatorio Sedita Castrofilippo		RC GSO 14"
Moravian G2-1600 / R / 60.0		-1.83 ± 1.15
HAT-P-5b (LOW)
2018-08-01		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 120.0		-0.35 ± 0.86
HAT-P-5b (LOW)
2018-07-19		Mario Morales-Aimar
Observatorio de Sencelles MPC K14		Reflector 10"
SBIG ST7-XME / Clear / 120.0		-1.26 ± 4.32
HAT-P-5b (LOW)
2016-08-06		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		3.11 ± 1.15
HAT-P-5b (LOW)
2016-07-24		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		3.21 ± 2.3
HAT-P-5b (LOW)
2013-06-03		Alfonso Carreño Garceran
Observatorio Zonalunar		Long Perng
Atik 386L / Clear / 180.0		1.82 ± 6.62
HAT-P-5b (LOW)
2012-06-25		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Sbig ST8xme / I / 120.0		2.34 ± 1.14

Space Observations
Planet
Observation Date		 Mission O-C
minutes
HAT-P-5b (LOW)
2022-08-02		TESS-0.89 ± 1.05
HAT-P-5b (LOW)
2022-07-30		TESS1.62 ± 0.98
HAT-P-5b (LOW)
2022-07-27		TESS0.06 ± 0.94
HAT-P-5b (LOW)
2022-07-24		TESS0.17 ± 0.92
HAT-P-5b (LOW)
2022-07-19		TESS0.87 ± 1.01
HAT-P-5b (LOW)
2022-07-16		TESS-0.13 ± 0.85
HAT-P-5b (LOW)
2022-07-13		TESS1.08 ± 0.91
HAT-P-5b (LOW)
2022-07-10		TESS0.08 ± 0.78
HAT-P-5b (LOW)
2022-07-08		TESS-1.29 ± 0.85
HAT-P-5b (LOW)
2022-07-05		TESS-0.2 ± 1.01
HAT-P-5b (LOW)
2022-06-29		TESS-1.22 ± 1.01
HAT-P-5b (LOW)
2022-06-26		TESS-1.57 ± 0.78
HAT-P-5b (LOW)
2022-06-24		TESS-0.89 ± 0.81
HAT-P-5b (LOW)
2022-06-15		TESS0.52 ± 0.98
HAT-P-5b (LOW)
2021-07-21		TESS-0.58 ± 0.72
HAT-P-5b (LOW)
2021-07-18		TESS0.85 ± 0.91
HAT-P-5b (LOW)
2021-07-16		TESS0.1 ± 0.84
HAT-P-5b (LOW)
2021-07-13		TESS1.12 ± 0.91
HAT-P-5b (LOW)
2021-07-10		TESS0.76 ± 0.79
HAT-P-5b (LOW)
2021-07-07		TESS-0.56 ± 0.79
HAT-P-5b (LOW)
2021-07-04		TESS-0.07 ± 0.76
HAT-P-5b (LOW)
2021-07-02		TESS1.16 ± 1.04
HAT-P-5b (LOW)
2021-06-29		TESS0.82 ± 0.86
HAT-P-5b (LOW)
2021-06-26		TESS-0.99 ± 0.81
HAT-P-5b (LOW)
2020-07-01		TESS-1.0 ± 1.02
HAT-P-5b (LOW)
2020-06-29		TESS0.9 ± 1.11
HAT-P-5b (LOW)
2020-06-26		TESS0.31 ± 1.3
HAT-P-5b (LOW)
2020-06-23		TESS-0.96 ± 0.96
HAT-P-5b (LOW)
2020-06-20		TESS-0.38 ± 0.84
HAT-P-5b (LOW)
2020-06-17		TESS1.6 ± 0.95
HAT-P-5b (LOW)
2020-06-15		TESS-0.14 ± 0.88
HAT-P-5b (LOW)
2020-06-12		TESS-0.5 ± 1.02

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2016-05-09 Wang et al. 2021 -0.78 ± 0.94
2015-06-07 Turner et al. 2017 -1.84 ± 1.09
2011-05-27 Southworth et al. 2012 0.77 ± 0.32
2010-08-23 Southworth et al. 2012 0.16 ± 0.95
2010-08-23 Southworth et al. 2012 -0.91 ± 0.39
2010-08-23 Southworth et al. 2012 -1.25 ± 0.48
2007-05-21 Bakos et al. 2007 0.25 ± 0.32
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