exoclock

WASP-65b (LOW)

Discovered by: Gómez Maqueo Chew et al. 2013

The Star
Simbad
GAIA
2MASS		 WASP-65
DR2 596931979481073152
J08531783+0831229
RA 08:53:17.8286 DEC +08:31:22.811
Parallax
3.625 mas		 P.M. RA
2.76 mas/y		 P.M. DEC
3.252 mas/y
MagV
12.45		 MagR
11.76		 MagI*
11.71		 MagJ
10.669		 MagH
10.44		 MagK
10.346
MagG
11.751		 MagGBP
12.111		 MagGRP
11.254
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2458877.458483 ± 8.9e-05 BJDTDB
Period
2.31142053 ± 1.5e-07 days
Transit Parameters
Gómez Maqueo Chew et al. 2013
Rp/Rs
0.1131 ± 0.0007		 a/Rs
7.11 +0.34 -0.36
 i
88.8 +0.8 -0.7 deg
e
-		 ω
- deg
DepthR*
17.15 mmag		 Duration*
2.75 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Gómez Maqueo Chew et al. 2013
Teff
5600.0 +100.0 -100.0 K
 Log(g)
4.4 +0.02 -0.02 cm/s2
 Fe/H
-0.07 +0.07 -0.07 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.32"
Total Observations (Recent) 119 (6)
O-C 0.21 ± 0.34 minutes
ExoClock Observations (Recent) 57 (6)
Space Observations (Recent) 54 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 8 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.11335 ± 0.00022

WASP-65b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
WASP-65b (LOW)
2026-02-24		Trevor Gainey
Kismet		Meade LX200
ZWO ASI 294 MC Pro / R / 140.0		-1.57 ± 1.73
WASP-65b (LOW)
2025-11-22		Patrick Farizy
Patrick Farizy		Celestron C8
Touptek 585 C / Clear / 31.0		3.38 ± 2.45
WASP-65b (LOW)
2025-11-22		José María García Brull
Observatory SAB		SkyWatcher 200PDS
ASI2600MM / R / 120.0		-2.09 ± 1.73
WASP-65b (LOW)
2025-03-05		Michael Irzyk
melun		C14
altair 2600 / AstrodonExoPlanet-BB / 60.0		-1.07 ± 1.31
WASP-65b (LOW)
2025-03-01		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / R / 180.0		-2.14 ± 1.58
WASP-65b (LOW)
2025-02-27		Patrick Farizy
Patrick Farizy		Celestron C8
Touptek 585 C / Clear / 30.0		-0.72 ± 1.44
WASP-65b (LOW)
2025-02-20		Gustavo Muler
OBSERVATORIO NAZARET J47		HYPERSTAR LX200
QHY 193 M / Clear / 30.0		-0.59 ± 0.86
WASP-65b (LOW)
2025-02-06		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / rpr / 60.0		7.14 ± 0.82
WASP-65b (LOW)
2025-02-03		Dominique DANIEL
La Montjoie		T250 Skyvision
Camera CMOS ZWO ASI2600MC pro (color) / Clear / 60.0		8.12 ± 2.3
WASP-65b (LOW)
2025-02-03		Christian Sartini
Chris31		C9 xlt
Asi533mc / R / 120.0		-5.56 ± 2.59
WASP-65b (LOW)
2025-01-14		Joan Aragones
Barcelona - La Salut		GSO 250 f4
ASI1600 mm / Clear / 120.0		2.19 ± 4.32
WASP-65b (LOW)
2025-01-14		David González Martínez
GDAO		CELESTRON C8
ASI ZWO 294 MM PRO / Clear / 120.0		1.04 ± 3.02
WASP-65b (LOW)
2024-12-08		David González Martínez
GDAO		CELESTRON C8
ASI ZWO 294 MM PRO / R / 120.0		-4.54 ± 2.45
WASP-65b (LOW)
2024-12-08		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Moravian G4-9000 / rpr / 120.0		-5.92 ± 1.15
WASP-65b (LOW)
2024-12-01		Ivo Silvestri
Silvestri		Celestron EdgeHD 8
ASI2600MM Duo / R / 180.0		1.17 ± 2.02
WASP-65b (LOW)
2024-04-04		Ioannis Gkolias
AUTH-3 hosted at S.P.I.C.A		RASA 11''
QHY163M / Lum / 20.0		-0.75 ± 0.71
WASP-65b (LOW)
2024-02-20		Fabio Mortari
Hypatia Observatory		Ritchey Chretienne 250mm f/5.3
MORAVIAN C2-7000A / R / 200.0		1.06 ± 1.58
WASP-65b (LOW)
2024-02-07		Enrique Arce
Vallbona Observatory		Ritchey Chretien
ZWO ASI 294 MM PRO / Lum / 300.0		2.53 ± 1.58
WASP-65b (LOW)
2024-01-21		Claudio Lopresti
Claudio Lopresti		Mak-Newton
CCD Sbig ST10xme / Lum / 240.0		2.45 ± 2.02
WASP-65b (LOW)
2024-01-17		Francois Regembal
HRT Deep Sky Chile		Astrosib RC360
Moravian C3 PRO 61000 / Lum / 125.0		-0.19 ± 1.17
WASP-65b (LOW)
2024-01-07		Adam Popowicz
Otivar dome2		Newton 12" ASA
ASI ZWO 1600MM / R / 77.0		2.49 ± 1.58
WASP-65b (LOW)
2023-12-25		Fabio Mortari
Hypatia Observatory		Ritchey Chretienne 250mm f/5.3
MORAVIAN C2-7000A / R / 200.0		-0.14 ± 1.35
WASP-65b (LOW)
2023-03-06		Wen-Hsin Chen
NTHUOBS		Showa 10"
ASI6200MM / Lum / 100.0		1.82 ± 1.07
WASP-65b (LOW)
2023-03-04		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / AstrodonExoPlanet-BB / 30.0		2.13 ± 2.3
WASP-65b (LOW)
2023-03-01		Hans Leipold
Hans		Edge HD 9.25
ASI2400 / Clear / 45.0		6.91 ± 1.87
WASP-65b (LOW)
2023-02-02		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		0.17 ± 1.08
WASP-65b (LOW)
2023-01-30		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / R / 150.0		2.97 ± 1.73
WASP-65b (LOW)
2023-01-30		Marco Stefanini
Osservatorio Aldebaran		Ritchey-Chretien Altair Astro
Atik 4000 LE / Lum / 250.0		2.11 ± 3.6
WASP-65b (LOW)
2022-11-27		David Quiles
David Quiles Observatory		Celestron EDGEHD 800
Omegon veTEC 571 M / R / 120.0		-0.81 ± 1.58
WASP-65b (LOW)
2022-03-24		Martin Mifsud
Manikata Observatory		Meade OTA
SBig ST10XME / Lum / 120.0		6.53 ± 2.3
WASP-65b (LOW)
2022-03-17		Mark Salisbury
POST		Orion Optics ODK
SBIG ST-10 XME / R / 240.0		-0.43 ± 0.72
WASP-65b (LOW)
2022-03-17		Kevin Johnson
Holbrook Observatory		Meade LX10 EMC
Atik 383L+ / R / 90.0		-2.45 ± 2.45
WASP-65b (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		-1.21 ± 1.44
WASP-65b (LOW)
2022-03-10		Francesco Conti
Francesco Conti		Celestron C8
ZWO ASI533 / Clear / 53.0		-1.35 ± 2.45
WASP-65b (LOW)
2022-02-01		Andras Dan
Rocca1		Celestron C8
QHY 183 M / AstrodonExoPlanet-BB / 60.0		0.56 ± 1.3
WASP-65b (LOW)
2021-04-02		Alberto Tomatis
Alto-Observatory		RC
STL 6303 / Lum / 90.0		2.45 ± 1.44
WASP-65b (LOW)
2021-03-03		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0		0.81 ± 1.3
WASP-65b (LOW)
2021-02-04		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		3.62 ± 1.15
WASP-65b (LOW)
2021-01-14		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		-1.16 ± 1.15
WASP-65b (LOW)
2021-01-11		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0		3.48 ± 1.01
WASP-65b (LOW)
2021-01-11		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		-2.28 ± 1.01
WASP-65b (LOW)
2021-01-11		Adam Popowicz
Observatory Pyskowice		RC12" GSO
ASI ZWO 1600 MM / ATIK 11000M / R / 160.0		-3.14 ± 1.87
WASP-65b (LOW)
2020-11-22		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		-0.05 ± 1.3
WASP-65b (LOW)
2020-03-29		Phil Evans
El Sauce		Planewave CDK14
SBIG STT 1603-3 / R / 90.0		-1.46 ± 0.86
WASP-65b (LOW)
2020-03-12		Danilo Sedita
Osservatorio Sedita Castrofilippo		RC GSO 14"
Moravian G2-1600 / R / 60.0		1.19 ± 1.01
WASP-65b (LOW)
2020-03-12		Nikolaos Paschalis
Nunki Observatory		Officina Stellare RILA 400
SBIG STXL 11002 / R / 60.0		0.04 ± 1.44
WASP-65b (LOW)
2020-03-12		Dimitrios Deligeorgopoulos
Artemis Observatory		GSO RC
Atik 16 HR / R / 60.0		-1.4 ± 2.3
WASP-65b (LOW)
2020-03-12		Iakovos Strikis
Elizabeth Observatory of Athens		Sky Watcher Quattro
SBIG STF-8300mm / R / 80.0		-2.27 ± 2.16
WASP-65b (LOW)
2020-03-05		Alessandro Nastasi
Galhassin Robotic Telescope 1 (GRT1)		Officina Stellare RiLa 400
FLI ProLine 16803 / R / 45.0		3.01 ± 1.44
WASP-65b (LOW)
2019-03-29		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / V / 120.0		2.05 ± 1.87
WASP-65b (LOW)
2019-03-22		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / V / 120.0		-0.3 ± 1.44
WASP-65b (LOW)
2019-02-20		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / V / 120.0		3.68 ± 0.86
WASP-65b (LOW)
2019-01-01		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Moravian G4-9000 / rpr / 120.0		3.75 ± 1.58
WASP-65b (LOW)
2017-03-17		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		1.61 ± 0.86
WASP-65b (LOW)
2016-03-26		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 60.0		2.71 ± 0.43
WASP-65b (LOW)
2015-04-12		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / V / 30.0		2.27 ± 0.72
WASP-65b (LOW)
2015-04-12		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 60.0		-0.61 ± 0.86

Space Observations
Planet
Observation Date		 Mission O-C
minutes
WASP-65b (LOW)
2023-12-06		TESS0.71 ± 0.68
WASP-65b (LOW)
2023-12-04		TESS0.67 ± 0.75
WASP-65b (LOW)
2023-12-01		TESS-0.35 ± 0.63
WASP-65b (LOW)
2023-11-29		TESS0.6 ± 0.6
WASP-65b (LOW)
2023-11-22		TESS0.3 ± 0.73
WASP-65b (LOW)
2023-11-20		TESS-0.75 ± 0.75
WASP-65b (LOW)
2023-11-15		TESS0.7 ± 0.82
WASP-65b (LOW)
2023-02-11		TESS-0.66 ± 0.79
WASP-65b (LOW)
2023-02-09		TESS0.21 ± 0.59
WASP-65b (LOW)
2023-02-04		TESS-0.74 ± 0.96
WASP-65b (LOW)
2023-02-02		TESS0.35 ± 0.71
WASP-65b (LOW)
2023-01-28		TESS-0.86 ± 0.84
WASP-65b (LOW)
2023-01-26		TESS-0.21 ± 0.71
WASP-65b (LOW)
2023-01-23		TESS1.15 ± 0.75
WASP-65b (LOW)
2023-01-21		TESS-0.91 ± 0.76
WASP-65b (LOW)
2021-12-29		TESS0.3 ± 0.68
WASP-65b (LOW)
2021-12-27		TESS-0.78 ± 0.66
WASP-65b (LOW)
2021-12-24		TESS-0.19 ± 0.73
WASP-65b (LOW)
2021-12-22		TESS-0.55 ± 0.71
WASP-65b (LOW)
2021-12-20		TESS-0.74 ± 0.75
WASP-65b (LOW)
2021-12-15		TESS0.82 ± 0.81
WASP-65b (LOW)
2021-12-13		TESS0.27 ± 0.79
WASP-65b (LOW)
2021-12-10		TESS0.06 ± 0.68
WASP-65b (LOW)
2021-12-08		TESS0.39 ± 0.65
WASP-65b (LOW)
2021-12-06		TESS-2.0 ± 0.63
WASP-65b (LOW)
2021-12-01		TESS-1.49 ± 0.69
WASP-65b (LOW)
2021-11-29		TESS-0.41 ± 0.69
WASP-65b (LOW)
2021-11-26		TESS0.34 ± 0.79
WASP-65b (LOW)
2021-11-24		TESS-0.17 ± 0.84
WASP-65b (LOW)
2021-11-22		TESS-2.04 ± 0.82
WASP-65b (LOW)
2021-11-17		TESS0.18 ± 0.81
WASP-65b (LOW)
2021-11-15		TESS-1.04 ± 0.75
WASP-65b (LOW)
2021-11-13		TESS-0.77 ± 0.91
WASP-65b (LOW)
2021-11-10		TESS-0.8 ± 0.78
WASP-65b (LOW)
2021-11-08		TESS0.2 ± 0.78
WASP-65b (LOW)
2021-11-03		TESS1.22 ± 0.82
WASP-65b (LOW)
2021-11-01		TESS0.92 ± 0.72
WASP-65b (LOW)
2021-10-30		TESS-0.1 ± 0.81
WASP-65b (LOW)
2021-10-27		TESS0.74 ± 0.81
WASP-65b (LOW)
2021-10-23		TESS-0.31 ± 0.91
WASP-65b (LOW)
2021-10-20		TESS0.55 ± 0.69
WASP-65b (LOW)
2021-10-18		TESS-2.07 ± 0.75
WASP-65b (LOW)
2021-10-16		TESS-0.48 ± 0.85
WASP-65b (LOW)
2021-10-14		TESS0.26 ± 0.92
WASP-65b (LOW)
2021-02-06		TESS-0.1 ± 0.71
WASP-65b (LOW)
2021-02-04		TESS-0.79 ± 0.72
WASP-65b (LOW)
2021-02-01		TESS0.2 ± 0.78
WASP-65b (LOW)
2021-01-30		TESS-0.24 ± 0.73
WASP-65b (LOW)
2021-01-28		TESS-0.77 ± 0.75
WASP-65b (LOW)
2021-01-25		TESS-0.31 ± 0.76
WASP-65b (LOW)
2021-01-23		TESS-0.4 ± 0.6
WASP-65b (LOW)
2021-01-21		TESS0.61 ± 0.85
WASP-65b (LOW)
2021-01-18		TESS-0.67 ± 0.72
WASP-65b (LOW)
2021-01-16		TESS-1.42 ± 0.73

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2017-04-21 Wang et al. 2021 1.31 ± 1.01
2017-01-23 Wang et al. 2021 -0.45 ± 1.44
2016-12-10 Wang et al. 2021 -0.72 ± 0.98
2016-11-03 Wang et al. 2021 -2.0 ± 4.61
2016-01-10 Wang et al. 2021 -0.34 ± 0.95
2014-01-21 Wang et al. 2021 0.13 ± 0.96
2014-01-21 Wang et al. 2021 -0.19 ± 0.75
2012-07-02 Gómez Maqueo Chew et al. 2013 -0.56 ± 0.22
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