exoclock

WASP-177b (LOW)

Discovered by: Turner et al. 2019

The Star
Simbad
GAIA
2MASS		 WASP-177
DR2 2677447294810845824
J22191134-0150031
RA 22:19:11.3367 DEC -01:50:03.079
Parallax
5.628 mas		 P.M. RA
-57.586 mas/y		 P.M. DEC
-56.075 mas/y
MagV
12.46		 MagR
12.13		 MagI
11.831		 MagJ
10.654		 MagH
10.244		 MagK
10.163
MagG
12.072		 MagGBP
12.584		 MagGRP
11.437
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459342.85724 ± 0.00016 BJDTDB
Period
3.07171981 ± 6.7e-07 days
Transit Parameters
Turner et al. 2019
Rp/Rs**
0.1618 ± 0.0013		 a/Rs**
9.25 +0.06 -0.06
 i
84.14 +0.66 -0.83 deg
e
-		 ω
- deg
DepthR*
15.45 mmag		 Duration*
1.73 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Turner et al. 2019
Teff
5017.0 +70.0 -70.0 K
 Log(g)
4.49 +0.05 -0.04 cm/s2
 Fe/H
0.25 +0.04 -0.04 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.94"
Total Observations (Recent) 41 (6)
O-C 2.51 ± 0.37 minutes
ExoClock Observations (Recent) 29 (6)
Space Observations (Recent) 11 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.1618 ± 0.0013

WASP-177b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
WASP-177b (LOW)
2025-11-09		Francesco Scaggiante
Gruppo Astrofili Salese "GALILEO GALILEI"		NEWTON 410/1710
Player One Astronomy Poseidon-M Pro (IMX571) / rpr / 90.0		1.93 ± 2.02
WASP-177b (LOW)
2025-10-07		Pieter Vuylsteke
Marvel (La Palma)		ASA Ritchey
ZWO 6200mm / rpr / 60.0		5.47 ± 0.78
WASP-177b (LOW)
2025-10-03		Pieter Vuylsteke
Marvel (La Palma)		ASA Ritchey
ZWO 6200mm / rpr / 60.0		2.33 ± 0.53
WASP-177b (LOW)
2025-08-24		John Collins
JC_Wrexham		Meade LX200GPS
ASI-290m / rpr / 60.0		6.1 ± 2.02
WASP-177b (LOW)
2025-07-25		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / V / 180.0		4.66 ± 3.6
WASP-177b (LOW)
2025-07-12		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		1.6 ± 3.17
WASP-177b (LOW)
2024-11-30		Riccardo Zancan
Riccardo		Celestron C11
ASI-1600-MM / R / 60.0		-4.09 ± 2.02
WASP-177b (LOW)
2024-08-09		Michael Irzyk
melun		C14
altair 2600 / AstrodonExoPlanet-BB / 60.0		5.61 ± 3.02
WASP-177b (LOW)
2024-08-06		Alvaro Fornas
MPC J57. Centro Astronómico Alto Turia		Meade LX200 Classic
Moravian G2 8300 / Lum / 120.0		2.9 ± 1.58
WASP-177b (LOW)
2024-08-06		samuel Diaz Lopez
Tomas Lopez (AstroCamp)		RC10
Atik16200M / V / 180.0		1.46 ± 2.45
WASP-177b (LOW)
2024-06-24		Javier Alonso Santiago
INAF-OACT		Cassegrain 91cm
Moravian C4-1600EC / R / 30.0		-3.34 ± 1.25
WASP-177b (LOW)
2023-11-28		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / R / 180.0		0.34 ± 3.6
WASP-177b (LOW)
2023-11-06		Vikrant Kumar Agnihotri
Cepheid Observatory India		C11/f5.5 Schmidt-Cassegrain
Atik383L+ mono / Clear / 120.0		0.25 ± 3.46
WASP-177b (LOW)
2023-10-06		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave 2
ZWO ASI6200 / R / 120.0		0.4 ± 1.15
WASP-177b (LOW)
2023-10-03		Pieter Vuylsteke
TheGardenToTheSkyFacility		TS ONTC 25cm f4.7
QHY 268M / rpr / 120.0		-0.87 ± 1.58
WASP-177b (LOW)
2023-08-21		Stefano Lora
MarSEC		Ritchey Chrétien
Moravian G2 Mark II / R / 120.0		0.82 ± 5.18
WASP-177b (LOW)
2023-07-31		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / V / 60.0		-6.32 ± 2.02
WASP-177b (LOW)
2023-07-28		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / V / 60.0		-1.97 ± 1.58
WASP-177b (LOW)
2023-07-15		Eric Miny
BLOIS SOLOGNE ASTRONOMIE OBSERVATORY		Newton T305
QSI 683WS / Lum / 120.0		5.49 ± 3.02
WASP-177b (LOW)
2023-07-15		jean paul vergne
CH9-gapra		Ritchey Chretien
zwo 294mm pro / Clear / 120.0		3.18 ± 2.02
WASP-177b (LOW)
2023-07-15		Massimiliano Mannucci
Osservatorio Astronomico Margherita Hack		Celestron C14
SBIG ST10 XME / R / 180.0		-1.71 ± 1.58
WASP-177b (LOW)
2022-10-27		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		2.15 ± 3.74
WASP-177b (LOW)
2022-08-18		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 60.0		2.95 ± 1.01
WASP-177b (LOW)
2022-08-09		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / Clear / 80.0		2.75 ± 2.02
WASP-177b (LOW)
2022-08-09		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 150.0		1.6 ± 2.3
WASP-177b (LOW)
2022-08-09		David Arnot
OSO PIRATE		PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph
FLI ProLine KAF-16803 / R / 55.0		1.03 ± 0.76
WASP-177b (LOW)
2022-08-09		Michael Irzyk
Melun		C14
H694 / AstrodonExoPlanet-BB / 90.0		0.3 ± 1.3
WASP-177b (LOW)
2022-08-09		Pieter Vuylsteke
TheGardenToTheSkyFacility		TS ONTC 25cm f4.7
QHY 268M / R / 120.0		-3.3 ± 2.45
WASP-177b (LOW)
2022-05-27		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		-2.04 ± 0.86

Space Observations
Planet
Observation Date		 Mission O-C
minutes
WASP-177b (LOW)
2022-08-27		TESS-0.12 ± 1.34
WASP-177b (LOW)
2022-08-24		TESS0.07 ± 1.04
WASP-177b (LOW)
2022-08-21		TESS-0.03 ± 1.08
WASP-177b (LOW)
2022-08-18		TESS-0.56 ± 0.89
WASP-177b (LOW)
2022-08-12		TESS0.06 ± 1.22
WASP-177b (LOW)
2022-08-09		TESS-1.17 ± 0.92
WASP-177b (LOW)
2022-08-05		TESS0.7 ± 0.94
WASP-177b (LOW)
2021-09-11		TESS-0.38 ± 0.88
WASP-177b (LOW)
2021-09-08		TESS1.06 ± 1.04
WASP-177b (LOW)
2021-09-05		TESS0.99 ± 0.94
WASP-177b (LOW)
2021-08-23		TESS-0.78 ± 0.95

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2017-08-28 Turner et al. 2019 -0.06 ± 0.4
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