exoclock

WASP-20b (HIGH)

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 - Verified True
Kokori et al. 2022
Mid-time
2458087.08446 ± 0.00013 BJDTDB
Period
4.89964477 ± 5.1e-07 days

Transit Parameters
Evans et al. 2016
Rp/Rs
0.101 ± 0.005
a/Rs**
10.6 +0.08 -0.08
i
86.8 +0.9 -0.9 deg
e
-
ω
- deg
DepthR*
12.25 mmag
Duration*
3.29 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

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 HIGH
Minimum aperture 5.0"
Total Observations (Recent) 19 (1)
O-C -0.37 ± 0.91 minutes
ExoClock Observations (Recent) 7 (1)
Space Observations (Recent) 10 (0)
ETD Observations (Recent) 1 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.0973 ± 0.00032

WASP-20b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
WASP-20b (HIGH)
2022-08-20
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
5.59 ± 2.45
WASP-20b (HIGH)
2021-09-16
Lea Changeat
El Sauce
Planewave CDK24
FLI ProLine PL9000 / R / 30.0
-1.05 ± 1.15
WASP-20b (HIGH)
2021-09-16
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 60.0
-2.06 ± 1.87
WASP-20b (HIGH)
2020-08-30
Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)
Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / Lum / 45.0
-2.5 ± 2.3
WASP-20b (HIGH)
2020-08-20
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
2.52 ± 1.44
WASP-20b (HIGH)
2020-08-20
Phil Evans
El Sauce
Planewave CDK14
SBIG STT 1603-3 / R / 50.0
-3.24 ± 2.74
WASP-20b (HIGH)
2020-08-15
Phil Evans
El Sauce
Planewave CDK14
SBIG STT 1603-3 / R / 90.0
1.58 ± 1.15

Space Observations

Planet
Observation Date
Mission O-C
minutes
WASP-20b (HIGH)
2020-09-18
TESS0.94 ± 0.75
WASP-20b (HIGH)
2020-09-13
TESS-0.16 ± 0.69
WASP-20b (HIGH)
2020-09-03
TESS-0.44 ± 0.72
WASP-20b (HIGH)
2020-08-30
TESS-0.23 ± 0.66
WASP-20b (HIGH)
2018-09-19
TESS-0.76 ± 0.81
WASP-20b (HIGH)
2018-09-14
TESS-0.71 ± 0.66
WASP-20b (HIGH)
2018-09-09
TESS-0.36 ± 0.68
WASP-20b (HIGH)
2018-09-04
TESS1.25 ± 0.79
WASP-20b (HIGH)
2018-08-30
TESS0.03 ± 0.65
WASP-20b (HIGH)
2018-08-26
TESS0.92 ± 0.71

ETD Observations

Planet
Observation Date
Observer(s) ETD link O-C
minutes
WASP-20b (HIGH)
2014-09-20
Phil Evans1411246275-2.89 ± 5.76

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2011-06-03 Anderson et al. 2015 -0.0 ± 0.4
© 2019-2022 ExoClock Project - Privacy policy