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 | 2023-03-07 | ||
| 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 |
Atmospheric parameters
Temperatures
| Data Source | Type | Result Value | Result Figure | Notes | Reference |
Molecules
| Molecule | Data Source | Type | Result Value | Result Figure | Notes | Reference |
| CO | Measurements | Detected | 2023 - BOUCHER A. | |||
| 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
CO or no CO? Narrowing the CO abundance constraint and recovering the H2O detection in the atmosphere of WASP-127 b using SPIRou
2023
BOUCHER A., LAFRENIERE D., PELLETIER S., DARVEAU-BERNIER A., RADICA M. et al.
MNRAS, 522, 5062
paper arxiv
Homogeneous search for helium in the atmosphere of 11 gas giant exoplanets with SPIRou
2023
ALLART R., LEMEE-JOLIECOEUR P.-B., JAZIRI A., LAFRENIERE D., ARTIGAU E. et al.
Astron. & Astrophys., 677, A164
paper arxiv
The MUSCLES Extension for Atmospheric Transmission Spectroscopy: UV and X-Ray Host-star Observations for JWST ERS & GTO Targets
2023
BEHR P., FRANCE K., BROWN A., DUVVURI G., BEAN J. et al.
Astron. J., 166, 35
paper
Characterization of exoplanetary atmospheres with SLOPpy
2022
SICILIA D., MALAVOLTA L., PINO L., SCANDARIATO G., NASCIMBENI V. et al.
Astron. & Astrophys., 667, A19
paper arxiv
TransitFit: an exoplanet transit fitting package for multi-telescope datasets and its application to WASP-127~b, WASP-91~b, and WASP-126~b
2021
HAYES J., KERINS E., MORGAN J., HUMPAGE A., AWIPHAN S. et al.
MNRAS, submitted
arxiv
Diamonds are Forever: Probing the Carbon Budget and Formation History of the Ultra-Puffy Hot Jupiter WASP-127b
2021
PELLETIER S., BENNEKE B., ALLART R. et al.
JWST GO Programme
abstract
Trends in Spitzer Secondary Eclipses
2021
WALLACK N., KNUTSON H. & DEMING D.
Astron. J., 162, 36
paper arxiv
A super-solar metallicity atmosphere for WASP-127b revealed by transmission spectroscopy from HST and Spitzer
2020
SPAKE J., SING D., WAKEFORD H., NIKOLOV N., MIKAL-EVANS Th. et al.
MNRAS, in press
paper arxiv
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
Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS) VI. Non-detection of sodium with HARPS on the bloated super-Neptune WASP-127b
2020
SEIDEL J., LENDL M., BOURRIER V., EHRENREICH D.? ALLART R. et al.
Astron. & Astrophys., 643, A45
paper arxiv
WASP-127b: A misaligned planet with a partly cloudy atmosphere and tenuous sodium signature seen by ESPRESSO
2020
ALLART R., PINO L., LOVIS Ch., SOUSA S., CASASAYAS-BARRIS N. et al.
Astron. & Astrophys., 644, A155
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
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
