exoclock

WASP-44b (MEDIUM)

Discovered by: Anderson et al. 2012

The Star
Simbad
GAIA
2MASS		 WASP-44
DR2 2424406513428936832
J00153675-1156172
RA 00:15:36.7694 DEC -11:56:17.286
Parallax
2.715 mas		 P.M. RA
15.281 mas/y		 P.M. DEC
-30.047 mas/y
MagV
12.9		 MagR
13.17		 MagI
12.19		 MagJ
11.702		 MagH
11.408		 MagK
11.341
MagG
12.896		 MagGBP
13.303		 MagGRP
12.347
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2456515.396464 ± 9.7e-05 BJDTDB
Period
2.42381135 ± 1.7e-07 days
Transit Parameters
Anderson et al. 2012
Rp/Rs
0.126 ± 0.003		 a/Rs
8.1 +0.095 -0.095
 i
86.0 +1.1 -0.9 deg
e
-		 ω
- deg
DepthR*
19.47 mmag		 Duration*
2.24 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Anderson et al. 2012
Teff
5410.0 +150.0 -150.0 K
 Log(g)
4.48 +0.07 -0.07 cm/s2
 Fe/H
0.06 +0.1 -0.1 dex
ExoClock Status
Observing Priority MEDIUM
Minimum aperture 8.38"
Total Observations (Recent) 49 (1)
O-C -2.05 ± 0.81 minutes
ExoClock Observations (Recent) 23 (1)
Space Observations (Recent) 7 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 19 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.1208 ± 0.0013

WASP-44b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
WASP-44b (MEDIUM)
2025-09-13		Arushi Nath
Arushi Nath		12" Ritchey- Chretien Pro
ASI 2600 Mono Camera / R / 180.0		1.38 ± 2.59
WASP-44b (MEDIUM)
2024-12-01		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		-2.89 ± 1.15
WASP-44b (MEDIUM)
2024-11-23		Javier Alonso Santiago
INAF-OACT		Cassegrain 91cm
Moravian C4-1600EC / R / 90.0		-2.26 ± 1.73
WASP-44b (MEDIUM)
2024-11-23		Raniero Albanesi
157 Frasso Sabino		Cassegrain 14.5"
Moravian C3-26000 / rpr / 180.0		-3.56 ± 2.02
WASP-44b (MEDIUM)
2024-11-09		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / Lum / 180.0		10.08 ± 4.61
WASP-44b (MEDIUM)
2023-11-14		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 60.0		2.19 ± 0.85
WASP-44b (MEDIUM)
2023-11-11		Vikrant Kumar Agnihotri
Cepheid Observatory India		C11/f5.5 Schmidt-Cassegrain
Atik383L+ mono / Clear / 120.0		0.12 ± 1.44
WASP-44b (MEDIUM)
2023-11-06		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 180.0		-0.53 ± 1.09
WASP-44b (MEDIUM)
2023-11-06		Sacha Foschino
Observatoire des Baronnies Provençales		Planewave 430mm
SVO ASI 6200 MM Pro / V / 120.0		-1.84 ± 1.87
WASP-44b (MEDIUM)
2023-08-04		Danilo Rocha
Pico dos Dias Observatory		0.6m Boller & Chivens f/13.49 (23.62")
Andor iKon-L CCD / R / 60.0		-0.34 ± 0.81
WASP-44b (MEDIUM)
2022-11-30		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		0.0 ± 0.81
WASP-44b (MEDIUM)
2022-10-19		Francesco Scaggiante
Gruppo Astrofili Salese "GALILEO GALILEI"		NEWTON 410/1710
Custom made with KAF-1603ME CCD sensor / R / 80.0		3.91 ± 3.74
WASP-44b (MEDIUM)
2022-09-28		Adam Popowicz
Otivar dome2		Newton 12" ASA
ASI ZWO 1600MM / R / 240.0		0.31 ± 3.6
WASP-44b (MEDIUM)
2021-09-24		Taewoo Kim
Deokheung Optical Astronomy Observatory		NYSC 1m Telescope
FLI PL-16803 or PI SOPHIA-2048B / R / 120.0		0.49 ± 0.86
WASP-44b (MEDIUM)
2021-09-24		Wonseok Kang
Deokheung Optical Astronomy Observatory		NYSC 1m Telescope
SOPHIA-2048B (Princeton Instruments) / R / 120.0		0.06 ± 1.44
WASP-44b (MEDIUM)
2021-08-02		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		2.29 ± 0.72
WASP-44b (MEDIUM)
2021-07-16		Anaël Wünsche
El Sauce Observatory		CDK Planewave Chili
Moravian G4 16k / Lum / 120.0		0.82 ± 0.72
WASP-44b (MEDIUM)
2021-07-16		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		0.1 ± 0.72
WASP-44b (MEDIUM)
2020-11-28		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		1.23 ± 1.01
WASP-44b (MEDIUM)
2020-08-01		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		2.03 ± 1.44
WASP-44b (MEDIUM)
2020-08-01		Phil Evans
El Sauce		Planewave CDK14
SBIG STT 1603-3 / R / 150.0		-2.15 ± 1.01
WASP-44b (MEDIUM)
2020-07-25		Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)		Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / R / 90.0		-1.81 ± 2.16
WASP-44b (MEDIUM)
2020-07-15		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Clear / 120.0		-0.74 ± 1.15

Space Observations
Planet
Observation Date		 Mission O-C
minutes
WASP-44b (MEDIUM)
2018-10-14		TESS-2.18 ± 1.58
WASP-44b (MEDIUM)
2018-10-12		TESS0.97 ± 1.28
WASP-44b (MEDIUM)
2018-10-09		TESS-0.24 ± 1.34
WASP-44b (MEDIUM)
2018-10-07		TESS-3.52 ± 1.43
WASP-44b (MEDIUM)
2018-09-29		TESS-4.09 ± 1.2
WASP-44b (MEDIUM)
2018-09-27		TESS1.98 ± 1.32
WASP-44b (MEDIUM)
2018-09-25		TESS-2.59 ± 1.43

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2018-08-07 Addison et al. 2019 -0.91 ± 0.52
2013-10-20 Turner et al. 2016 -0.08 ± 1.11
2013-10-20 Turner et al. 2016 -0.62 ± 0.91
2013-08-01 Moyano et al. 2017 -1.61 ± 0.36
2012-08-17 Moyano et al. 2017 -4.3 ± 2.02
2012-08-12 Moyano et al. 2017 1.21 ± 0.86
2012-08-12 Moyano et al. 2017 1.19 ± 0.66
2012-08-12 Moyano et al. 2017 -1.1 ± 1.44
2012-08-12 Moyano et al. 2017 -1.1 ± 1.44
2011-10-14 Turner et al. 2016 0.08 ± 1.87
2011-10-07 Mancini et al. 2013 1.13 ± 0.45
2011-10-07 Mancini et al. 2013 0.95 ± 0.66
2011-10-07 Mancini et al. 2013 0.41 ± 0.5
2011-10-02 Mancini et al. 2013 0.74 ± 0.43
2011-10-02 Mancini et al. 2013 -0.01 ± 0.22
2011-10-02 Mancini et al. 2013 -0.41 ± 0.29
2011-10-02 Mancini et al. 2013 -0.41 ± 0.29
2011-09-03 Mancini et al. 2013 0.27 ± 0.19
2010-08-25 Anderson et al. 2012 0.29 ± 0.58
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