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WASP-4b

Discovered by: Wilson et al. 2008
The Star
Simbad
GAIA
2MASS
WASP-4
DR2 6535499658122055552
J23341508-4203411
RA 23:34:15.0858 DEC -42:03:41.049
Parallax
3.715 mas
P.M. RA
9.874 mas/y
P.M. DEC
-87.518 mas/y
MagV
12.48
MagR
11.9
MagI*
11.672
MagJ
11.179
MagH
10.842
MagK
10.746
MagG
12.316
MagGBP
12.71
MagGRP
11.775
* calculated from GAIA magnitudes

Ephemeris - Not verified False
Southworth et al. 2019
Mid-time
2456505.74895 ± 2e-05 BJDTDB
Period
1.338231429 ± 2e-08 days

Transit Parameters
Bouma et al. 2019
Rp/Rs
0.152 ± 0.0004
a/Rs
5.451 +0.023 -0.052
i
89.1 +0.7 -0.8 deg
e
-
ω
- deg
DepthR*
31.37 mmag
Duration*
2.17 hours
* calculated from the other parameters, using PyLightcurve

Limb Darkening Parameters
Wilson et al. 2008
Teff
5500.0 +150.0 -150.0 K
Log(g)
4.3 +0.2 -0.2 cm/s2
Fe/H
0.0 +0.2 -0.2 dex
ExoClock Status
Observing Priority
Total Observations (Recent)
O-C minutes
Total Literature Mid-times
LOW
7 (6)
0.42±0.2
0
WASP-4b


ExoClock Observations
Obs. Date O-C (min) Observer
Observatory
Telescope
Camera / Filter / Exp [s]
2020-10-02 -0.1 ± 0.4 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
2020-09-16 -0.5 ± 0.9 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
2020-09-12 2.2 ± 0.6 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
2020-08-16 0.1 ± 0.6 Phil Evans
El Sauce
Planewave CDK14
SBIG STT 1603-3 / R / 90.0
2020-08-16 -0.9 ± 0.6 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
2020-06-06 -0.3 ± 0.7 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / V / 120.0
2019-12-10 1.3 ± 0.4 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / V / 120.0
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