exoclock

WASP-98b (LOW)

Discovered by: Hellier et al. 2014

The Star
Simbad
GAIA
2MASS		 WASP-98
DR2 4859136199796131200
J03534291-3419414
RA 03:53:42.9206 DEC -34:19:41.585
Parallax
3.52 mas		 P.M. RA
33.627 mas/y		 P.M. DEC
-12.405 mas/y
MagV
13.0		 MagR*
12.634		 MagI*
12.216		 MagJ
11.691		 MagH
11.295		 MagK
11.284
MagG
12.868		 MagGBP
13.245		 MagGRP
12.337
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457213.296469 ± 6.9e-05 BJDTDB
Period
2.96264191 ± 2.3e-07 days
Transit Parameters
Mancini et al. 2016
Rp/Rs
0.1582 ± 0.0008		 a/Rs
10.92 +0.08 -0.08
 i
86.38 +0.07 -0.07 deg
e
-		 ω
- deg
DepthR*
28.66 mmag		 Duration*
1.94 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hellier et al. 2014
Teff
5525.0 +130.0 -130.0 K
 Log(g)
4.58 +0.01 -0.01 cm/s2
 Fe/H
-0.6 +0.19 -0.19 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 6.98"
Total Observations (Recent) 41 (3)
O-C -0.28 ± 0.23 minutes
ExoClock Observations (Recent) 17 (3)
Space Observations (Recent) 14 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 10 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.16208 ± 0.00093

WASP-98b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
WASP-98b (LOW)
2023-12-01		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 120.0		-0.99 ± 0.53
WASP-98b (LOW)
2023-11-28		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 180.0		1.72 ± 2.45
WASP-98b (LOW)
2023-11-19		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		1.2 ± 0.53
WASP-98b (LOW)
2023-01-18		Anaël Wünsche
El Sauce Observatory		CDK Planewave Chili
Moravian G4 16k / Lum / 120.0		0.46 ± 0.82
WASP-98b (LOW)
2023-01-18		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		-0.88 ± 0.46
WASP-98b (LOW)
2022-10-30		Anaël Wünsche
El Sauce Observatory		CDK Planewave Chili
Moravian G4 16k / Lum / 120.0		1.14 ± 0.72
WASP-98b (LOW)
2022-10-30		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		0.1 ± 2.16
WASP-98b (LOW)
2022-10-27		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Clear / 120.0		-0.14 ± 0.76
WASP-98b (LOW)
2022-10-21		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		-4.76 ± 1.58
WASP-98b (LOW)
2022-10-18		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / R / 120.0		-1.77 ± 0.76
WASP-98b (LOW)
2021-12-08		Fernando Martínez
Fernando		Skywatcher 200/1000
QHY 294 MC Pro / Clear / 229.0		-2.91 ± 2.74
WASP-98b (LOW)
2021-09-10		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Clear / 120.0		1.78 ± 0.43
WASP-98b (LOW)
2020-11-09		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		0.8 ± 0.43
WASP-98b (LOW)
2020-11-06		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Clear / 120.0		-0.73 ± 0.43
WASP-98b (LOW)
2020-11-03		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		-0.95 ± 0.58
WASP-98b (LOW)
2020-08-18		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Clear / 120.0		1.48 ± 0.86
WASP-98b (LOW)
2020-08-15		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		-0.04 ± 0.72

Space Observations
Planet
Observation Date		 Mission O-C
minutes
WASP-98b (LOW)
2020-11-15		TESS-1.38 ± 0.99
WASP-98b (LOW)
2020-11-12		TESS0.18 ± 0.92
WASP-98b (LOW)
2020-11-09		TESS-0.61 ± 0.95
WASP-98b (LOW)
2020-11-06		TESS0.37 ± 0.99
WASP-98b (LOW)
2020-10-31		TESS-0.09 ± 1.02
WASP-98b (LOW)
2020-10-28		TESS-2.07 ± 1.05
WASP-98b (LOW)
2020-10-25		TESS-0.25 ± 0.85
WASP-98b (LOW)
2020-10-22		TESS-0.73 ± 0.99
WASP-98b (LOW)
2018-11-11		TESS-1.58 ± 0.94
WASP-98b (LOW)
2018-11-08		TESS-0.16 ± 1.02
WASP-98b (LOW)
2018-11-05		TESS-0.33 ± 0.91
WASP-98b (LOW)
2018-10-30		TESS0.07 ± 0.92
WASP-98b (LOW)
2018-10-24		TESS-1.85 ± 0.89
WASP-98b (LOW)
2018-10-21		TESS1.36 ± 0.91

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2015-10-09 Kozłowski et al. 2017 1.95 ± 0.71
2015-01-07 Mancini et al. 2016 0.14 ± 0.23
2015-01-07 Mancini et al. 2016 -0.17 ± 0.2
2015-01-07 Mancini et al. 2016 -0.25 ± 0.22
2015-01-07 Mancini et al. 2016 -0.5 ± 0.23
2014-10-13 Mancini et al. 2016 0.11 ± 0.33
2014-10-13 Mancini et al. 2016 0.04 ± 0.27
2014-10-13 Mancini et al. 2016 -0.08 ± 0.26
2014-10-13 Mancini et al. 2016 -0.17 ± 0.32
2013-02-09 Hellier et al. 2014 0.26 ± 0.14
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