exoclock

WASP-97b (MEDIUM)

Discovered by: Hellier et al. 2014

The Star
Simbad
GAIA
2MASS		 CD-56 324
DR2 4911563216311083392
J01382504-5546194
RA 01:38:25.0566 DEC -55:46:19.526
Parallax
6.591 mas		 P.M. RA
96.163 mas/y		 P.M. DEC
20.946 mas/y
MagV
10.57		 MagR*
10.196		 MagI*
9.821		 MagJ
9.407		 MagH
9.07		 MagK
9.03
MagG
10.424		 MagGBP
10.791		 MagGRP
9.923
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459041.573915 ± 6.9e-05 BJDTDB
Period
2.07275981 ± 1.4e-07 days
Transit Parameters
Hellier et al. 2014
Rp/Rs
0.1091 ± 0.0009		 a/Rs
6.59 +0.11 -0.11
 i
88.0 +1.3 -1.0 deg
e
-		 ω
- deg
DepthR*
15.8 mmag		 Duration*
2.62 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hellier et al. 2014
Teff
5640.0 +100.0 -100.0 K
 Log(g)
4.43 +0.03 -0.03 cm/s2
 Fe/H
0.23 +0.11 -0.11 dex
ExoClock Status
Observing Priority MEDIUM
Minimum aperture 5.0"
Total Observations (Recent) 57 (2)
O-C 0.34 ± 0.52 minutes
ExoClock Observations (Recent) 25 (2)
Space Observations (Recent) 31 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.10762 ± 0.00015

WASP-97b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
WASP-97b (MEDIUM)
2025-11-02		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 45.0		0.52 ± 0.82
WASP-97b (MEDIUM)
2025-10-02		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 45.0		-3.14 ± 1.2
WASP-97b (MEDIUM)
2025-01-20		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 45.0		0.61 ± 0.94
WASP-97b (MEDIUM)
2024-08-30		Andre Kovacs
Andre Kovacs		GSO 6" Ritchey-Chretien
ZWO ASI533MM / AstrodonExoPlanet-BB / 100.0		4.58 ± 2.3
WASP-97b (MEDIUM)
2024-08-03		Andre Kovacs
Andre Kovacs		GSO 6" Ritchey-Chretien
ZWO ASI533MM / AstrodonExoPlanet-BB / 100.0		7.29 ± 2.59
WASP-97b (MEDIUM)
2023-10-26		Anaël Wünsche
El Sauce Observatory		CDK Planewave Chili
Moravian G4 16k / Lum / 120.0		0.71 ± 1.09
WASP-97b (MEDIUM)
2023-09-21		Andre Kovacs
Andre Kovacs		GSO 6" Ritchey-Chretien
ZWO ASI533MM / AstrodonExoPlanet-BB / 150.0		1.75 ± 7.49
WASP-97b (MEDIUM)
2023-08-29		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 60.0		-0.03 ± 1.07
WASP-97b (MEDIUM)
2022-11-18		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 40.0		2.58 ± 0.94
WASP-97b (MEDIUM)
2022-11-16		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 40.0		1.45 ± 0.85
WASP-97b (MEDIUM)
2022-11-16		Anaël Wünsche
El Sauce Observatory		CDK Planewave Chili
Moravian G4 16k / Lum / 120.0		0.85 ± 0.92
WASP-97b (MEDIUM)
2022-11-14		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 60.0		0.49 ± 0.85
WASP-97b (MEDIUM)
2022-10-22		Anaël Wünsche
El Sauce Observatory		CDK Planewave Chili
Moravian G4 16k / Lum / 120.0		3.76 ± 0.96
WASP-97b (MEDIUM)
2022-10-18		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		-0.66 ± 1.01
WASP-97b (MEDIUM)
2022-10-16		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		3.49 ± 2.02
WASP-97b (MEDIUM)
2022-09-23		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		5.3 ± 2.02
WASP-97b (MEDIUM)
2021-11-12		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		-3.5 ± 0.72
WASP-97b (MEDIUM)
2021-11-10		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		-0.53 ± 0.86
WASP-97b (MEDIUM)
2021-10-10		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		-1.98 ± 0.86
WASP-97b (MEDIUM)
2021-08-21		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 30.0		-1.06 ± 0.72
WASP-97b (MEDIUM)
2020-12-01		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 60.0		0.95 ± 1.01
WASP-97b (MEDIUM)
2020-10-10		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 60.0		0.8 ± 1.01
WASP-97b (MEDIUM)
2020-10-08		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 60.0		0.59 ± 0.72
WASP-97b (MEDIUM)
2020-10-04		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 60.0		-0.96 ± 1.44
WASP-97b (MEDIUM)
2020-09-13		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 60.0		0.33 ± 0.86

Space Observations
Planet
Observation Date		 Mission O-C
minutes
WASP-97b (MEDIUM)
2023-09-16		TESS0.42 ± 0.36
WASP-97b (MEDIUM)
2023-09-14		TESS0.82 ± 0.37
WASP-97b (MEDIUM)
2023-09-12		TESS-0.19 ± 0.37
WASP-97b (MEDIUM)
2023-09-10		TESS-0.95 ± 0.4
WASP-97b (MEDIUM)
2023-09-08		TESS0.29 ± 0.37
WASP-97b (MEDIUM)
2023-09-04		TESS-0.96 ± 0.33
WASP-97b (MEDIUM)
2023-09-02		TESS-0.33 ± 0.36
WASP-97b (MEDIUM)
2023-08-31		TESS0.53 ± 0.35
WASP-97b (MEDIUM)
2023-08-29		TESS-0.32 ± 0.35
WASP-97b (MEDIUM)
2020-09-19		TESS0.33 ± 0.37
WASP-97b (MEDIUM)
2020-09-17		TESS-0.01 ± 0.37
WASP-97b (MEDIUM)
2020-09-15		TESS0.64 ± 0.37
WASP-97b (MEDIUM)
2020-09-13		TESS0.35 ± 0.4
WASP-97b (MEDIUM)
2020-09-11		TESS0.39 ± 0.4
WASP-97b (MEDIUM)
2020-09-05		TESS-0.81 ± 0.37
WASP-97b (MEDIUM)
2020-09-02		TESS-0.45 ± 0.36
WASP-97b (MEDIUM)
2020-08-31		TESS-0.63 ± 0.37
WASP-97b (MEDIUM)
2020-08-29		TESS0.27 ± 0.42
WASP-97b (MEDIUM)
2020-08-27		TESS0.2 ± 0.36
WASP-97b (MEDIUM)
2018-09-18		TESS-0.02 ± 0.37
WASP-97b (MEDIUM)
2018-09-16		TESS-0.35 ± 0.4
WASP-97b (MEDIUM)
2018-09-14		TESS0.03 ± 0.35
WASP-97b (MEDIUM)
2018-09-12		TESS-0.07 ± 0.35
WASP-97b (MEDIUM)
2018-09-10		TESS1.27 ± 0.39
WASP-97b (MEDIUM)
2018-09-08		TESS0.0 ± 0.39
WASP-97b (MEDIUM)
2018-09-04		TESS-0.72 ± 0.42
WASP-97b (MEDIUM)
2018-09-02		TESS-0.46 ± 0.4
WASP-97b (MEDIUM)
2018-08-31		TESS0.31 ± 0.36
WASP-97b (MEDIUM)
2018-08-29		TESS-0.23 ± 0.36
WASP-97b (MEDIUM)
2018-08-27		TESS-0.14 ± 0.37
WASP-97b (MEDIUM)
2018-08-24		TESS0.29 ± 0.39

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2013-05-25 Hellier et al. 2014 0.05 ± 0.26
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