exoclock

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
2456505.748953 ± 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
17 (8)
0.1±0.14
0
WASP-4b


ExoClock Observations
Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2021-10-05 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
-0.9 ± 0.4
2021-10-01 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
0.9 ± 0.4
2021-09-27 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
-0.7 ± 0.6
2021-09-23 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
-1.0 ± 0.7
2021-09-02 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
1.4 ± 0.7
2021-08-27 Anaël Wünsche
El Sauce Observatory
CDK Planewave Chili
Moravian G4 16k / Lum / 120.0
-0.3 ± 0.6
2021-08-11 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
0.7 ± 0.6
2021-08-03 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
-0.6 ± 0.6
2020-12-20 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
-0.3 ± 0.9
2020-12-08 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
-1.6 ± 0.6
2020-10-02 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
-0.4 ± 0.6
2020-09-16 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
-0.3 ± 0.9
2020-09-12 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
2.3 ± 0.6
2020-08-16 Phil Evans
El Sauce
Planewave CDK14
SBIG STT 1603-3 / R / 90.0
0.2 ± 0.6
2020-08-16 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
-1.1 ± 0.6
2020-06-06 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / V / 120.0
-0.1 ± 0.7
2019-12-10 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / V / 120.0
1.5 ± 0.4
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