exoclock

WASP-23b (LOW)

Discovered by: Triaud et al. 2011

The Star
Simbad
GAIA
2MASS
WASP-23
DR2 5557345496687437696
J06443062-4245425
RA 06:44:30.6134 DEC -42:45:42.666
Parallax
4.791 mas
P.M. RA
-9.014 mas/y
P.M. DEC
-87.771 mas/y
MagV
12.52
MagR
12.31
MagI*
11.572
MagJ
10.96
MagH
10.514
MagK
10.45
MagG
12.321
MagGBP
12.801
MagGRP
11.709
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457301.723609 ± 7.7e-05 BJDTDB
Period
2.9444273 ± 1.4e-07 days

Transit Parameters
Triaud et al. 2011
Rp/Rs
0.13 ± 0.0004
a/Rs**
10.21 +0.19 -0.19
i
88.4 +0.8 -0.5 deg
e
-
ω
- deg
DepthR*
22.7 mmag
Duration*
2.41 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Triaud et al. 2011
Teff
5150.0 +100.0 -100.0 K
Log(g)
4.56 +0.09 -0.09 cm/s2
Fe/H
0.0 +0.0 -0.0 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 6.29"
Total Observations (Recent) 36 (6)
O-C 0.14 ± 0.16 minutes
ExoClock Observations (Recent) 15 (6)
Space Observations (Recent) 15 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 6 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.13128 ± 0.00046

WASP-23b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
WASP-23b (LOW)
2022-03-01
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
1.03 ± 0.72
WASP-23b (LOW)
2022-03-01
Jean-Pascal Vignes
Deep Sky Chile
Planewave CDK400
QHYCCD 600M / R / 60.0
0.74 ± 0.58
WASP-23b (LOW)
2022-02-26
Jean-Pascal Vignes
Deep Sky Chile
Planewave CDK400
QHYCCD 600M / R / 60.0
-0.23 ± 0.72
WASP-23b (LOW)
2022-02-26
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
-0.66 ± 0.58
WASP-23b (LOW)
2022-02-26
Anaël Wünsche
El Sauce Observatory
CDK Planewave Chili
Moravian G4 16k / Lum / 120.0
-0.95 ± 1.3
WASP-23b (LOW)
2022-01-07
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
2.17 ± 0.72
WASP-23b (LOW)
2021-02-23
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
2.24 ± 0.86
WASP-23b (LOW)
2021-02-17
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
-1.28 ± 0.58
WASP-23b (LOW)
2021-01-01
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
0.35 ± 0.86
WASP-23b (LOW)
2020-12-29
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
0.11 ± 0.72
WASP-23b (LOW)
2020-12-26
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
0.29 ± 0.86
WASP-23b (LOW)
2020-12-23
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Clear / 60.0
-0.39 ± 0.58
WASP-23b (LOW)
2020-04-14
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / V / 120.0
0.11 ± 0.58
WASP-23b (LOW)
2020-04-11
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / V / 120.0
0.44 ± 0.58
WASP-23b (LOW)
2020-02-06
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / V / 120.0
-0.57 ± 1.15

Space Observations

Planet
Observation Date
Mission O-C
minutes
WASP-23b (LOW)
2021-02-08
TESS-0.23 ± 0.65
WASP-23b (LOW)
2021-02-05
TESS0.03 ± 0.71
WASP-23b (LOW)
2021-02-02
TESS-0.03 ± 0.82
WASP-23b (LOW)
2021-01-30
TESS1.19 ± 0.66
WASP-23b (LOW)
2021-01-24
TESS0.62 ± 0.63
WASP-23b (LOW)
2021-01-21
TESS0.06 ± 0.69
WASP-23b (LOW)
2021-01-18
TESS-0.4 ± 0.72
WASP-23b (LOW)
2021-01-15
TESS-0.68 ± 0.63
WASP-23b (LOW)
2019-01-04
TESS-0.94 ± 0.84
WASP-23b (LOW)
2019-01-01
TESS0.46 ± 0.68
WASP-23b (LOW)
2018-12-29
TESS-0.14 ± 0.56
WASP-23b (LOW)
2018-12-26
TESS-1.38 ± 0.65
WASP-23b (LOW)
2018-12-24
TESS0.9 ± 0.68
WASP-23b (LOW)
2018-12-21
TESS0.18 ± 0.68
WASP-23b (LOW)
2018-12-18
TESS-0.96 ± 0.66

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2012-02-25 Nikolov et al. 2013 0.19 ± 0.14
2010-12-31 Triaud et al. 2011 -1.4 ± 0.75
2010-12-22 Triaud et al. 2011 -0.85 ± 0.43
2010-02-07 Triaud et al. 2011 0.05 ± 1.14
2009-09-27 Triaud et al. 2011 0.32 ± 0.98
2008-12-13 Triaud et al. 2011 -1.31 ± 1.05
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