exoclock

WASP-37b (MEDIUM)

Discovered by: Simpson et al. 2011

The Star
Simbad
GAIA
2MASS		 WASP-37
DR2 3652176997218325888
J14474655+0103538
RA 14:47:46.5618 DEC +01:03:53.802
Parallax
2.518 mas		 P.M. RA
-28.082 mas/y		 P.M. DEC
18.018 mas/y
MagV
12.704		 MagR
12.87		 MagI
12.24		 MagJ
11.499		 MagH
11.181		 MagK
11.093
MagG
12.542		 MagGBP
12.868		 MagGRP
12.057
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2458569.08367 ± 0.00017 BJDTDB
Period
3.5774788 ± 4e-07 days
Transit Parameters
Simpson et al. 2011
Rp/Rs
0.1195 ± 0.0013		 a/Rs
9.6 +0.41 -0.41
 i
88.8 +0.8 -0.9 deg
e
-		 ω
- deg
DepthR*
18.89 mmag		 Duration*
3.14 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Simpson et al. 2011
Teff
5800.0 +150.0 -150.0 K
 Log(g)
4.4 +0.07 -0.07 cm/s2
 Fe/H
-0.4 +0.12 -0.12 dex
ExoClock Status
Observing Priority MEDIUM
Minimum aperture 7.56"
Total Observations (Recent) 37 (2)
O-C -0.43 ± 0.74 minutes
ExoClock Observations (Recent) 22 (2)
Space Observations (Recent) 2 (0)
ETD Observations (Recent) 9 (0)
Literature Mid-times (Recent) 4 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.1186 ± 0.0019

WASP-37b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
WASP-37b (MEDIUM)
2025-05-20		Charles Miller
Miller Observatory		Meade 12" LX850
QHY268M / R / 60.0		-1.38 ± 3.17
WASP-37b (MEDIUM)
2025-05-02		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / Lum / 180.0		-3.83 ± 1.87
WASP-37b (MEDIUM)
2024-05-06		Deborah Smith
Complejo Astronomico Los Coloraos, Gorafe		Celestron C11 EdgeHD
ASI2600MM / Clear / 120.0		-5.62 ± 2.3
WASP-37b (MEDIUM)
2024-04-07		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / Lum / 180.0		5.8 ± 3.17
WASP-37b (MEDIUM)
2024-03-31		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		0.83 ± 0.94
WASP-37b (MEDIUM)
2023-04-19		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 60.0		-0.39 ± 1.01
WASP-37b (MEDIUM)
2023-03-18		Adrian Sonka
Berthelot Observatory		Ritchey Chretien
SBIG STL-1100M / Clear / 120.0		0.02 ± 1.31
WASP-37b (MEDIUM)
2023-03-18		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		-1.39 ± 2.16
WASP-37b (MEDIUM)
2022-05-17		Le Guen Patrice
Baou		FSQ106
ASI6200 / Lum / 60.0		3.79 ± 4.32
WASP-37b (MEDIUM)
2022-05-17		Marco Stefanini
Osservatorio Aldebaran		Ritchey-Chretien Altair Astro
Atik 4000 LE / Lum / 100.0		1.06 ± 5.9
WASP-37b (MEDIUM)
2022-05-17		Adam Popowicz
Otivar dome2		Newton 12" ASA
ASI ZWO 1600MM / R / 165.0		0.91 ± 2.16
WASP-37b (MEDIUM)
2022-05-17		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
FLI Kepler CMOS 4040 / Lum / 120.0		0.34 ± 1.01
WASP-37b (MEDIUM)
2022-05-17		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / Lum / 240.0		-5.57 ± 3.17
WASP-37b (MEDIUM)
2022-04-30		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / Lum / 200.0		-0.1 ± 1.58
WASP-37b (MEDIUM)
2021-05-18		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		0.68 ± 1.01
WASP-37b (MEDIUM)
2021-04-23		Marc Deldem
Les Barres Observatory		Celestron C8
SBIG ST8-XME / Clear / 180.0		-1.84 ± 1.58
WASP-37b (MEDIUM)
2021-04-08		Taewoo Kim
Deokheung Optical Astronomy Observatory		NYSC 1m Telescope
FLI PL-16803 or PI SOPHIA-2048B / R / 180.0		-0.37 ± 0.72
WASP-37b (MEDIUM)
2021-03-18		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		1.75 ± 1.01
WASP-37b (MEDIUM)
2020-05-28		Danilo Sedita
Osservatorio Sedita Castrofilippo		RC GSO 14"
Moravian G2-1600 / R / 60.0		1.26 ± 7.2
WASP-37b (MEDIUM)
2020-05-28		Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)		Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / R / 60.0		-1.05 ± 1.44
WASP-37b (MEDIUM)
2020-05-28		Alessandro Nastasi
Galhassin Robotic Telescope 1 (GRT1)		Officina Stellare RiLa 400
FLI ProLine 16803 / R / 30.0		-1.33 ± 1.73
WASP-37b (MEDIUM)
2019-04-17		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0		-0.35 ± 1.01

Space Observations
Planet
Observation Date		 Mission O-C
minutes
WASP-37b (MEDIUM)
2022-05-03		TESS-0.23 ± 1.11
WASP-37b (MEDIUM)
2022-04-30		TESS0.03 ± 1.44

ETD Observations
Planet
Observation Date		 Observer(s) ETD link O-C
minutes
WASP-37b (MEDIUM)
2021-03-11		M. Mollica A. Noschese16164255440.82 ± 1.58
WASP-37b (MEDIUM)
2019-05-29		Fran Campos1559421925-1.14 ± 1.87
WASP-37b (MEDIUM)
2013-06-11		Robert Majewski13709675201.87 ± 4.32
WASP-37b (MEDIUM)
2012-06-14		JOSEP GAITAN 13397533081.53 ± 2.45
WASP-37b (MEDIUM)
2012-05-03		Alfonso Carreno13360414120.15 ± 1.44
WASP-37b (MEDIUM)
2011-05-11		Stan Shadick and Curtis Tuplin13354588980.7 ± 1.73
WASP-37b (MEDIUM)
2011-04-26		ESSEIVA nicolas; GABRY emmanuelle; PICHOT charline; SCHLEUWLY joséphine; PLAZANET franck13043531951.15 ± 2.16
WASP-37b (MEDIUM)
2011-04-23		Ken Hose13036012101.27 ± 1.44
WASP-37b (MEDIUM)
2011-04-09		Jose Angel Carrion Rodrigo1318265119-2.02 ± 2.45

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2018-05-05 Mallonn et al. 2019 -1.81 ± 1.8
2018-04-17 Mallonn et al. 2019 2.63 ± 1.28
2016-04-13 Wang et al. 2021 2.37 ± 3.17
2010-05-22 Simpson et al. 2011 -1.03 ± 0.86
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