Planet WASP-127 b

Name WASP-127 b
Planet Status Confirmed
Discovered in 2016
Mass 0.18 ( -0.02 +0.02 ) MJ
Mass*sin(i)
Semi-Major Axis 0.052 (± 0.0005) AU
Orbital Period 4.178062 (± 2e-06) day
Eccentricity
ω
Tperi
Radius 1.37 ( -0.04 +0.04 ) RJ
Inclination 88.7 ( -0.6 +0.8 ) deg
Update 2020-05-20
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2457248.74131 (± 0.00016) JD
Secondary transit
λ
Impact Parameter b 0.15 ( -0.11 +0.09 )
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

WASP-127
Name WASP-127
Distance
Spectral type G5
Apparent magnitude V 10.15
Mass 1.08 (± 0.03) MSun
Age 11.41 (± 1.8) Gyr
Effective temperature 5620.0 (± 85.0) K
Radius 1.39 (± 0.03) RSun
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000 10:42:14.1
Dec2000 -03:50:06
Alternate Names
Planetary system 1 planet

More data

Atmospheric parameters

Temperatures

Data Source Type Result Value Result Figure Notes Reference

Molecules

Molecule Data Source Type Result Value Result Figure Notes Reference
H2O Measurements Detected 2020 - SKAF N.
Measurements Detected 2018 - CHEN
K Measurements Detected 5σ 2018 - CHEN
Li Measurements Detected 3σ 2018 - CHEN
Na Measurements Detected 4σ 2018 - CHEN

Observability Predictor


Related publications

ARES II: Characterising the Hot Jupiters WASP-127 b, WASP-79 b and WASP-62 b with HST
2020 SKAF N., BIEGER M., EDWARDS B., CHANGEAT Q., MORAN M. et al.
Astron. J., 160, 109
paper  arxiv

Search for helium in the upper atmosphere of the hot Jupiter WASP-127 b using Gemini/Phoenix
2020 dos SANTOS L., EHRENREICH D., BOURRIER V., ALLART R. KING G. et al.
Astron. & Astrophys., 640, A29
 paper   arxiv

High-resolution Transmission Spectroscopy of Four Hot Inflated Gas Giant Exoplanets
2019 ZAK J., KABATH P., BOFFIN H., IVANOV M. & SKARKA M.
Astron. J., 158, 120
paper

A super-solar metallicity atmosphere for WASP-127b revealed by transmission spectroscopy from HST and Spitzer
2019 SPAKE J., SING D., WAKEFORD H., NIKOLOV N., MIKAL-EVANS Th. et al.
MNRAS, submitted
arxiv  

The GTC exoplanet transit spectroscopy survey - IX. Detection of haze, Na, K, and Li in the super-Neptune WASP-127b
2018 CHEN, G., PALLÉ, E., WELBANKS, L., PRIETO-ARRANZ, J., MADHUSADHAN, N. et al.
Astron. & Astrophys., 616, A145
paper  

A feature-rich transmission spectrum for WASP-127b - Cloud-free skies for the puffiest known super-Neptune?
2017 PALLE E., CHEN G., PRIETO-ARRANZ J., NOWAK G., MURGAS F. et al.
Astron. & Astrophys., 602, L15
paper  arxiv  

From Dense Hot Jupiter to Low Density Neptune: The Discovery of WASP-127b, WASP-136b and WASP-138b
2016 LAM, K., FAEDI, F., BROWN, D., ANDERSON, D., DELREZ & 37 additional authors
Astron. & Astrophys., 599, A3
paper  arxiv  ADS