exoclock

WASP-144b (MEDIUM)

Discovered by: Hellier et al. 2019

The Star
Simbad
GAIA
2MASS		 WASP-144
DR2 6582435924022652672
J21230309-4002537
RA 21:23:03.0947 DEC -40:02:53.763
Parallax
2.788 mas		 P.M. RA
-3.337 mas/y		 P.M. DEC
-39.852 mas/y
MagV
13.18		 MagR
12.94		 MagI*
12.151		 MagJ
11.487		 MagH
11.008		 MagK
10.897
MagG
12.915		 MagGBP
13.439		 MagGRP
12.258
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2458312.38049 ± 0.00014 BJDTDB
Period
2.27831304 ± 2.3e-07 days
Transit Parameters
Hellier et al. 2019
Rp/Rs
0.1079 ± 0.0013		 a/Rs
8.39 +0.23 -0.23
 i
86.9 +0.5 -0.5 deg
e
-		 ω
- deg
DepthR*
14.95 mmag		 Duration*
2.1 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hellier et al. 2019
Teff
5200.0 +140.0 -140.0 K
 Log(g)
4.53 +0.03 -0.03 cm/s2
 Fe/H
0.18 +0.14 -0.14 dex
ExoClock Status
Observing Priority MEDIUM
Minimum aperture 7.74"
Total Observations (Recent) 34 (2)
O-C -1.37 ± 0.44 minutes
ExoClock Observations (Recent) 15 (2)
Space Observations (Recent) 18 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.10859 ± 0.00087

WASP-144b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
WASP-144b (MEDIUM)
2025-11-03		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		-2.65 ± 1.17
WASP-144b (MEDIUM)
2025-07-05		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / R / 90.0		-1.96 ± 0.82
WASP-144b (MEDIUM)
2024-07-26		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		-0.16 ± 1.44
WASP-144b (MEDIUM)
2024-07-26		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 120.0		-1.24 ± 0.72
WASP-144b (MEDIUM)
2024-07-17		Malcolm Park
Atacama BackYard Observatory		Celestron 11"Edge HD
ZWO ASI2600mm Pro / Clear / 120.0		0.14 ± 1.25
WASP-144b (MEDIUM)
2023-10-04		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / V / 120.0		2.42 ± 1.58
WASP-144b (MEDIUM)
2023-09-09		Gustavo Fornazari
Observatório do Pico dos Dias		Boller & Chivens
Andor iXon 4269 / R / 120.0		0.47 ± 2.59
WASP-144b (MEDIUM)
2023-07-16		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 120.0		-0.81 ± 1.41
WASP-144b (MEDIUM)
2023-07-14		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		0.61 ± 0.81
WASP-144b (MEDIUM)
2023-06-05		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		2.34 ± 1.2
WASP-144b (MEDIUM)
2022-09-14		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		-0.02 ± 1.15
WASP-144b (MEDIUM)
2022-05-16		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		-3.49 ± 1.44
WASP-144b (MEDIUM)
2021-06-22		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 140.0		-0.35 ± 0.72
WASP-144b (MEDIUM)
2021-06-06		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		0.64 ± 0.72
WASP-144b (MEDIUM)
2020-11-04		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		2.41 ± 1.01

Space Observations
Planet
Observation Date		 Mission O-C
minutes
WASP-144b (MEDIUM)
2023-08-21		TESS-0.39 ± 1.73
WASP-144b (MEDIUM)
2023-08-19		TESS-2.49 ± 1.27
WASP-144b (MEDIUM)
2023-08-17		TESS0.6 ± 1.24
WASP-144b (MEDIUM)
2023-08-14		TESS-0.72 ± 1.44
WASP-144b (MEDIUM)
2023-08-12		TESS2.57 ± 1.58
WASP-144b (MEDIUM)
2023-08-08		TESS0.16 ± 1.44
WASP-144b (MEDIUM)
2023-08-05		TESS-2.0 ± 1.31
WASP-144b (MEDIUM)
2023-08-03		TESS-1.39 ± 1.44
WASP-144b (MEDIUM)
2023-08-01		TESS-2.52 ± 1.58
WASP-144b (MEDIUM)
2023-07-30		TESS-0.65 ± 1.25
WASP-144b (MEDIUM)
2020-08-20		TESS2.31 ± 1.44
WASP-144b (MEDIUM)
2020-08-18		TESS2.15 ± 1.44
WASP-144b (MEDIUM)
2020-08-16		TESS-0.25 ± 1.73
WASP-144b (MEDIUM)
2020-08-14		TESS-1.81 ± 1.58
WASP-144b (MEDIUM)
2020-08-09		TESS-0.05 ± 2.02
WASP-144b (MEDIUM)
2020-08-07		TESS-1.4 ± 1.22
WASP-144b (MEDIUM)
2020-08-04		TESS0.77 ± 1.27
WASP-144b (MEDIUM)
2020-08-02		TESS-1.14 ± 1.44

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2015-05-14 Hellier et al. 2019 -0.03 ± 0.22
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