exoclock
exoclock
WASP-20b
Discovered by: Anderson et al. 2015
The Star
Simbad
GAIA
2MASS
CD-24 102
DR2 2359978293136820864
J00203853-2356086
RA 00:20:38.5321 DEC -23:56:08.793
Parallax
-1.879 mas
P.M. RA
2.466 mas/y
P.M. DEC
-3.105 mas/y
MagV
10.779
MagR*
10.439
MagI*
10.119
MagJ
9.701
MagH
9.417
MagK
9.39
MagG
10.65
MagGBP
10.965
MagGRP
10.2
* calculated from GAIA magnitudes

Ephemeris - Not verified False
Anderson et al. 2015
Mid-time
2455715.6564 ± 0.0003 BJDTDB
Period
4.899628 ± 3e-06 days

Transit Parameters
Evans et al. 2016
Rp/Rs
0.101 ± 0.005
a/Rs
10.2 +0.9 -0.8
i
86.8 +0.8 -0.8 deg
e
-
ω
- deg
DepthR*
16.57 mmag
Duration*
3.47 hours
* calculated from the other parameters, using PyLightcurve

Limb Darkening Parameters
Anderson et al. 2015
Teff
5940.0 +100.0 -100.0 K
Log(g)
4.23 +0.02 -0.02 cm/s2
Fe/H
-0.01 +0.06 -0.06 dex
ExoClock Status
Observing Priority
Total Observations (Recent)
O-C minutes
Total Literature Mid-times
ALERT
5 (1)
17.8±0.8
0
WASP-20b


ExoClock Observations
Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2021-09-16 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 60.0
17.0 ± 2.2
2020-08-29 Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)
Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / Lum / 45.0
13.8 ± 2.9
2020-08-20 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
18.7 ± 2.0
2020-08-20 Phil Evans
El Sauce
Planewave CDK14
SBIG STT 1603-3 / R / 50.0
11.3 ± 2.7
2020-08-15 Phil Evans
El Sauce
Planewave CDK14
SBIG STT 1603-3 / R / 90.0
19.1 ± 1.0
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