Planet WASP-20 Ab

Detailed information about planet WASP-20 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

WASP-20 Ab

Planet Status

Confirmed

Discovered in

2011

Update

2024-07-28

Mass

0.313 (\begin{matrix} + 0.018 \\ - 0.018 \end{matrix})

M_J 2 publications

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars
Status of the WASP-South Search for Transiting Planets

Mass*sin(i)

—

Semi-Major Axis

0.06003 (\pm 0.00067)

AU 1 publication

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars

Orbital Period

4.8996285 (\pm 3.4e-06)

day 2 publications

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars
Status of the WASP-South Search for Transiting Planets

Eccentricity

— 1 publication

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars

ω

—

T_peri

—

Radius

1.459 (\begin{matrix} + 0.057 \\ - 0.057 \end{matrix})

R_J 2 publications

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars
Status of the WASP-South Search for Transiting Planets

Inclination

85.57 (\pm 0.022)

deg

Detection Method

Primary Transit

Mass Meas. Method

—

Radius Meas. Method

—

Primary transit

2455715.65562 (\pm 0.00028)

JD 1 publication

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars

Secondary transit

—

λ

8.1 (\pm 3.6)

deg 1 publication

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

1379.0 K 1 publication

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

WASP-20 b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference
H2O
H2O	Measurements	Detected				2022 - MAIMONE M.

Star

Name

WASP-20 A

Distance

210.0 (\pm 20.0)

pc 1 publication

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars

Spectral type

—

Apparent magnitude V

10.68

Mass

1.202 (\pm 0.04)

M_Sun 1 publication

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars

Age

7.0 (\begin{matrix} + 1.0 \\ - 2.0 \end{matrix})

Gyr 1 publication

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars

Effective temperature

5950.0 (\pm 100.0)

K 1 publication

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars

Radius

1.392 (\pm 0.044)

R_Sun 1 publication

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars

Metallicity [Fe/H]

-0.009 (\pm 0.061)

1 publication

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

00:20:38.5

Dec₂₀₀₀

-23:56:08.6

Alternate Names

CD-24 102, TYC 6413-439-1, 2MASS J00203853-2356086, WASP-20

No remarks

No link

Simbad
Most recent references (ADS)

Planet WASP-20 Ab

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 1 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Planet WASP-20 Ab

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 1 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Related publications

Removal of Hot Saturns in Mass-Radius Plane by Runaway Mass Loss

Detecting H2O with CRIRES+: the case of WASP-20b

The Study of Atmosphere of Hot Jupiters and Their Host Stars

A multiplicity study of transiting exoplanet host stars. II. Revised properties of transiting planetary systems with companions

WASP-20 is a close visual binary with a transiting hot Jupiter

WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities

Status of the WASP-South Search for Transiting Planets

The Exoplanet Handbook