exoclock

WASP-80b (LOW)

Discovered by: Triaud et al. 2013

The Star
Simbad
GAIA
2MASS		 WASP-80
DR2 4223507222112425344
J20124017-0208391
RA 20:12:40.1691 DEC -02:08:39.191
Parallax
20.057 mas		 P.M. RA
-132.759 mas/y		 P.M. DEC
-50.429 mas/y
MagV
11.939		 MagR
11.51		 MagI
10.279		 MagJ
9.218		 MagH
8.513		 MagK
8.351
MagG
11.273		 MagGBP
12.168		 MagGRP
10.366
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2457162.352461 ± 4.5e-05 BJDTDB
Period
3.06785211 ± 1e-07 days
Transit Parameters
Triaud et al. 2015
Rp/Rs
0.1714 ± 0.0004		 a/Rs
12.63 +0.08 -0.13
 i
89.02 +0.11 -0.1 deg
e
0.002 +0.01 -0.002
 ω
94.0 +120.0 -21.0 deg
DepthR*
40.26 mmag		 Duration*
2.14 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Triaud et al. 2013
Teff
4145.0 +100.0 -100.0 K
 Log(g)
4.69 +0.01 -0.01 cm/s2
 Fe/H
-0.14 +0.16 -0.16 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 73 (10)
O-C 0.03 ± 0.14 minutes
ExoClock Observations (Recent) 53 (10)
Space Observations (Recent) 5 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 15 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.17111 ± 0.00039

WASP-80b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
WASP-80b (LOW)
2025-10-11		Michael Irzyk
melun		C14
altair 2600 / AstrodonExoPlanet-BB / 60.0		-0.31 ± 0.92
WASP-80b (LOW)
2025-10-11		Eric BARBOTIN
Observatoire de la grande vallée		PlaneWave 20"
ZWO6200 / R / 50.0		-0.36 ± 0.72
WASP-80b (LOW)
2025-09-11		Jeff Rodriguez
Moeller Observatory		Planeware PW1000
ZWO ASI 294MMpro / V / 30.0		0.21 ± 0.23
WASP-80b (LOW)
2025-09-01		Gerard Tartalo
Dark Energy Observatory		Ts Photoline triplet apo 115/800 F7
Qhy294M pro / rpr / 90.0		0.99 ± 0.99
WASP-80b (LOW)
2025-08-29		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		0.05 ± 0.73
WASP-80b (LOW)
2025-07-21		Moises Portillo
Elguin		GSO
Omegon vetec16000c / AstrodonExoPlanet-BB / 90.0		1.26 ± 1.07
WASP-80b (LOW)
2025-07-17		Mario Morales-Aimar
Observatorio de Sencelles MPC K14		Reflector 10"
SBIG ST7-XME / Clear / 120.0		0.94 ± 0.43
WASP-80b (LOW)
2025-07-17		Giovanni Calapai
Home Astronomical Observatory		Celestron 11 Schmidt-Cassegrain
Atik 314L+ / Clear / 90.0		-0.02 ± 0.35
WASP-80b (LOW)
2025-07-17		Philippe Langlet
NDCruet		Célestron 8
APN CANON 1100D / Clear / 120.0		-1.39 ± 1.09
WASP-80b (LOW)
2025-07-17		Tommaso Dittadi
TD-TRO		Ritchey-Chretien
Moravian G2-1600 / I / 120.0		-1.65 ± 0.55
WASP-80b (LOW)
2024-09-17		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / R / 120.0		-0.8 ± 1.73
WASP-80b (LOW)
2024-09-04		Jordi González-Edo
Landete-Kea		C11
ASI 2600MM pro / Lum / 90.0		-1.32 ± 0.69
WASP-80b (LOW)
2024-07-24		samuel Diaz Lopez
Tomas Lopez (AstroCamp)		RC10
Atik16200M / V / 180.0		0.68 ± 0.75
WASP-80b (LOW)
2024-07-20		Michael Nezel
Celle Observatory		CDK 14
QHY 268M / V / 90.0		0.9 ± 1.24
WASP-80b (LOW)
2024-07-20		Michael Nezel
Celle Observatory		CDK 14
QHY 268M / I / 90.0		-2.24 ± 1.14
WASP-80b (LOW)
2024-07-17		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		2.43 ± 1.73
WASP-80b (LOW)
2023-09-08		Lorenzo Betti
Osservatorio Polifunzionale del Chianti		RC-80cm
Moravian G4 - KAF 09000 / R / 155.0		4.58 ± 0.6
WASP-80b (LOW)
2023-09-05		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		0.18 ± 1.09
WASP-80b (LOW)
2023-09-05		Michael Irzyk
melun		C14
altair 2600 / AstrodonExoPlanet-BB / 60.0		-0.28 ± 0.52
WASP-80b (LOW)
2023-09-02		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		-2.6 ± 1.21
WASP-80b (LOW)
2023-07-31		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		-0.46 ± 1.73
WASP-80b (LOW)
2023-07-28		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		1.17 ± 0.85
WASP-80b (LOW)
2023-07-15		Yen-Hsing Lin
NTHU Observatory		Showa 10"
ASI6200MM Pro / Lum / 60.0		-0.73 ± 1.01
WASP-80b (LOW)
2023-06-15		Adam Popowicz
Otivar dome2		Newton 12" ASA
ASI ZWO 1600MM / R / 80.0		0.26 ± 0.72
WASP-80b (LOW)
2023-06-15		Tobias Gesser
TURMX Observatory		Planewave CDK17
QHY600M / rpr / 60.0		-0.27 ± 0.35
WASP-80b (LOW)
2023-06-15		Guillaume Biesse
Observatoire de la colline Tossius		Ritchey Chretien GSO
ASI 533 MM - Gain=0 / Clear / 180.0		-1.67 ± 0.73
WASP-80b (LOW)
2023-06-15		Mark van der Grijp
Trevinca Observatory		William Optics FLT132
Poseidon-M Pro / Lum / 120.0		-1.91 ± 1.02
WASP-80b (LOW)
2022-09-11		Eric Miny
BLOIS SOLOGNE ASTRONOMIE OBSERVATORY		Newton T305
QSI 683WS / Clear / 60.0		-0.21 ± 0.86
WASP-80b (LOW)
2022-09-11		Thomas Mollier
Tomastro		Newtonian
ZWO ASI1600MMC / Clear / 120.0		-1.21 ± 0.59
WASP-80b (LOW)
2022-07-30		Jean-Claude MARIO
Observatoire de la Cabergue		Astrosib RC 360
STL 11000 / Clear / 180.0		-0.46 ± 0.58
WASP-80b (LOW)
2022-07-27		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / Lum / 180.0		-1.16 ± 0.69
WASP-80b (LOW)
2022-06-21		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		-1.36 ± 0.43
WASP-80b (LOW)
2022-06-18		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0		-1.71 ± 0.72
WASP-80b (LOW)
2021-09-24		Jeff Purcell
Patio		Explorer Scientific 127mm ED APO
QHY174m-gps cooled / Clear / 30.0		-0.94 ± 1.15
WASP-80b (LOW)
2021-09-21		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		-0.73 ± 0.36
WASP-80b (LOW)
2021-07-30		Claudio Lopresti
Claudio Lopresti		Mak-Newton
CCD Sbig ST10xme / I / 240.0		0.41 ± 0.43
WASP-80b (LOW)
2021-07-30		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Clear / 120.0		-0.17 ± 0.86
WASP-80b (LOW)
2020-09-14		Andrea Tomacelli
Telescopio Colacevich c/o Osservatorio Astronomico di Capodimonte		Schmith Cassegrain
Atik 383L+ / Clear / 90.0		-1.01 ± 4.32
WASP-80b (LOW)
2020-08-12		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		1.69 ± 0.43
WASP-80b (LOW)
2020-08-09		Martin Smith
Heathwood Road		Skywatcher 120mm ED Apochromatic
Atik 414 ex / R / 20.0		1.48 ± 1.15
WASP-80b (LOW)
2020-08-05		Marc Bretton
Observatoire des Baronnies Provençales		Astelco 800mm
ZWO ASI6200 / Clear / 120.0		0.93 ± 0.33
WASP-80b (LOW)
2020-08-05		Pavel Pintr
Horni Halze		Celestron C9.25 with Hyperstar f2.2
ASI ZWO 1600 MONO / R / 80.0		0.11 ± 1.01
WASP-80b (LOW)
2020-07-30		Iakovos Strikis
Elizabeth Observatory of Athens		Sky Watcher Quattro
SBIG STF-8300mm / Lum / 50.0		0.26 ± 1.15
WASP-80b (LOW)
2020-07-09		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / V / 120.0		-0.8 ± 0.72
WASP-80b (LOW)
2020-06-24		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 90.0		0.59 ± 0.58
WASP-80b (LOW)
2020-06-24		Patrick Brandebourg
Patrick Brandebourg (Observatoire du Guernet)		RC 250
Sbig ST8300M / R / 120.0		-0.13 ± 0.72
WASP-80b (LOW)
2019-08-09		Nikolaos Paschalis
Nunki Observatory		Officina Stellare RILA 400
SBIG STXL 11002 / R / 60.0		1.62 ± 0.72
WASP-80b (LOW)
2019-06-28		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		-1.5 ± 0.43
WASP-80b (LOW)
2019-06-24		Dim Stouraitis
Galilaios		SCT
SXVF-H9 Starlight-Xpress / R / 50.0		0.59 ± 0.58
WASP-80b (LOW)
2017-08-12		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 120.0		1.34 ± 0.35
WASP-80b (LOW)
2017-07-04		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 60.0		0.04 ± 0.26
WASP-80b (LOW)
2016-07-03		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		-0.49 ± 1.01
WASP-80b (LOW)
2015-07-10		Marc Deldem
Les Barres Observatory		Celestron C8
SBIG ST8-XME / Clear / 60.0		-1.51 ± 0.58

Space Observations
Planet
Observation Date		 Mission O-C
minutes
WASP-80b (LOW)
2022-08-03		TESS-0.19 ± 0.22
WASP-80b (LOW)
2022-07-27		TESS-0.5 ± 0.22
WASP-80b (LOW)
2022-07-24		TESS-0.21 ± 0.22
WASP-80b (LOW)
2022-07-12		TESS-0.34 ± 0.22
WASP-80b (LOW)
2022-07-09		TESS0.5 ± 0.24

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2017-09-12 Wang et al. 2021 -0.75 ± 0.96
2016-08-22 Kirk et al. 2018 0.61 ± 0.19
2016-08-18 Kirk et al. 2018 0.46 ± 0.15
2016-05-12 Wang et al. 2021 0.82 ± 0.91
2013-10-07 Fukui et al. 2014 -0.25 ± 0.16
2013-09-22 Fukui et al. 2014 0.37 ± 0.26
2013-08-22 Fukui et al. 2014 0.73 ± 0.23
2013-08-13 Fukui et al. 2014 -0.24 ± 0.17
2013-07-16 Fukui et al. 2014 -0.49 ± 0.13
2013-06-16 Mancini et al. 2014 0.12 ± 0.12
2013-06-16 Mancini et al. 2014 0.08 ± 0.06
2013-06-16 Mancini et al. 2014 0.03 ± 0.15
2013-06-16 Mancini et al. 2014 -0.06 ± 0.14
2013-06-16 Mancini et al. 2014 -0.14 ± 0.23
2012-07-16 Triaud et al. 2013 -0.23 ± 0.1
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