exoclock

WASP-42b (LOW)

Discovered by: Lendl et al. 2012

The Star
Simbad
GAIA
2MASS
WASP-42
DR2 6139698733664726784
J12515557-4204249
RA 12:51:55.5580 DEC -42:04:25.094
Parallax
5.612 mas
P.M. RA
-49.781 mas/y
P.M. DEC
4.865 mas/y
MagV
12.57
MagR*
11.708
MagI*
11.557
MagJ
10.542
MagH
10.103
MagK
10.033
MagG
11.969
MagGBP
12.483
MagGRP
11.32
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2456821.262602 ± 7.2e-05 BJDTDB
Period
4.9816816 ± 3.6e-07 days

Transit Parameters
Southworth et al. 2016
Rp/Rs
0.1293 ± 0.0008
a/Rs
13.5 +0.3 -0.3
i
88.0 +0.17 -0.17 deg
e
-
ω
- deg
DepthR*
21.38 mmag
Duration*
2.9 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Lendl et al. 2012
Teff
5200.0 +150.0 -150.0 K
Log(g)
4.52 +0.06 -0.06 cm/s2
Fe/H
0.05 +0.13 -0.13 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.24"
Total Observations (Recent) 17 (4)
O-C -0.13 ± 0.25 minutes
ExoClock Observations (Recent) 4 (4)
Space Observations (Recent) 9 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 4 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.12715 ± 0.0005

WASP-42b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
WASP-42b (LOW)
2022-04-11
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
-1.21 ± 0.86
WASP-42b (LOW)
2022-04-06
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
-1.09 ± 0.72
WASP-42b (LOW)
2022-03-22
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
1.13 ± 1.15
WASP-42b (LOW)
2022-03-17
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
2.11 ± 2.16

Space Observations

Planet
Observation Date
Mission O-C
minutes
WASP-42b (LOW)
2021-04-27
TESS0.22 ± 0.6
WASP-42b (LOW)
2021-04-22
TESS-0.48 ± 0.66
WASP-42b (LOW)
2021-04-17
TESS0.53 ± 0.72
WASP-42b (LOW)
2021-04-12
TESS-0.37 ± 0.68
WASP-42b (LOW)
2021-04-07
TESS0.33 ± 0.68
WASP-42b (LOW)
2019-04-21
TESS-1.21 ± 0.71
WASP-42b (LOW)
2019-04-16
TESS0.76 ± 0.72
WASP-42b (LOW)
2019-04-06
TESS0.58 ± 0.76
WASP-42b (LOW)
2019-04-01
TESS0.94 ± 0.71

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2013-06-29 Southworth et al. 2016 0.04 ± 0.26
2013-06-19 Southworth et al. 2016 -0.18 ± 0.14
2013-05-25 Southworth et al. 2016 -0.08 ± 0.2
2011-03-30 Lendl et al. 2012 0.87 ± 0.35
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