Planet WASP-107 b

Name WASP-107 b
Planet Status Confirmed
Discovered in 2017
Mass 0.12 ( -0.01 +0.01 ) MJ
Mass*sin(i)
Semi-Major Axis 0.055 (± 0.001) AU
Orbital Period 5.72149 (± 2e-06) day
Eccentricity 0.0
ω
Tperi
Radius 0.94 ( -0.02 +0.02 ) RJ
Inclination 89.7 (± 0.2) deg
Update 2021-01-05
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2456514.4106 (± 0.0001) JD
Secondary transit
λ 90.0 (± 50.0) deg
Impact Parameter b 0.09 (± 0.07)
Time Vr=0
Velocity Semiamplitude K 17.0 (± 2.0) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

WASP-107
Name WASP-107
Distance
Spectral type K6
Apparent magnitude V 11.6
Mass 0.69 (± 0.05) MSun
Age
Effective temperature 4430.0 (± 120.0) K
Radius 0.66 (± 0.02) RSun
Metallicity [Fe/H] 0.02 (± 0.1)
Detected Disc
Magnetic Field
RA2000 12:33:33.0
Dec2000 -10:08:46
Alternate Names
Planetary system
2 planets

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
He Measurements Detected 2021 - WANG L. & DAI F.
Measurements Detected 2019 - ALLART R.

Observability Predictor


Related publications

The post-transit tail of WASP-107b observed at 10830A
2021 SPAKE J., OKLOPCIC A. & HILLENBRAND L.
Astron. J., submitted
arxiv  

Simulation of 10830 Å absorption with a 3D hydrodynamic model reveals the solar He abundance in upper atmosphere of WASP-107b
2021 KHODACHENKO M., SHAIKHISLAMOV I., FOSSATI L., LAMMER H., RUMENSKIKH M. et al.
MNRAS Letters, 503, L23
a target= "_blank" href=" https://doi.org/10.1093/mnrasl/slab015">paper   arxiv  

Metastable Helium Absorptions with 3D Hydrodynamics and Self-Consistent Photochemistry II: WASP-107b, Stellar Wind, Radiation Pressure, and Shear Instability
2021 WANG L. & DAI F.
ApJ, 914, 99
paper   arxiv  

The TESS-Keck Survey IV: A Retrograde, Polar Orbit for the Ultra-Low-Density, Hot Super-Neptune WASP-107b
2021 RUBENZAHL R., DAI F., HOWARD A., CHONTOS A., GIACALONE S. et al.
Astron. J., 161, 119
paper   arxiv

WASP-107b's density is even lower: a case study for the physics of planetary gas envelope accretion and orbital migration
2020 PIAULET C., BENNEKE B., RUBENZAHL R., HOWARD A., LEE E. et al.
Astron. J., 161, 70
paper   arxiv

Confirmation of WASP-107b's extended Helium atmosphere with Keck II/NIRSPEC
2020 KIRK J., ALAM M., LOPEZ-MORALES M & ZENG L.
Astron. J., 159, 115
paper  arxiv

A disk-driven resonance as the origin of high inclinations of close-in planets
2020 PETROVICH C., MUÑOZ D., KRATTER K. & MALHOTRA R.
ApJ, submitted
arxiv  

Beyond Equilibrium Temperature: How the Atmosphere/Interior Connection Affects the Onset of Methane, Ammonia, and Clouds in Warm Transiting Giant Planets
2020 FORTNEY J., VISSCHER Ch., MARLEY M., HOOD C., LINE M. et al.
Astron. J., 160, 288
paper  arxiv  

High-resolution confirmation of an extended helium atmosphere around WASP-107b
2019 ALLART R., BOURRIER V., LOVIS Ch., EHRENREICH D., ACEITUNO J. et al.
Astron. & Astrophys., 623, A58
paper  arxiv  

Helium in the eroding atmosphere of an exoplanet
2018 SPAKE J., SING D., EVANS T., OKLOPCIC A., BOURRIER V. et al.
Nature, 657, 68
paper  arxiv  

Starspots on WASP-107 and pulsations of WASP-118
2017 MOCNIK T., HELLIER C., ANDERSON D. & CLARK B.
MNRAS, in press
paper  arxiv  ADS

The Oblique Orbit of WASP-107b from K2 Photometry
2017 DAI F. & WINN J.
Astron. J., 153, 205
paper  arxiv  ADS

The discoveries of WASP-91b, WASP-105b and WASP-107b: two warm Jupiters and a planet in the transition region between ice giants and gas giants
2017 ANDERSON D., COLLIER CAMERON A., DELREZ L., DOYLE A., GILLON M. et al.
Astron. & Astrophys., 604, A110
paper  arxiv  ADS

Starspots on WASP-107 and pulsations of WASP-118
2017 MOCNIK T., HELLIER C., ANDERSON D., CLARCK B. & SOUTHWORTH J.
469, 1622
paper  

Water, High-altitude Condensates, and Possible Methane Depletion in the Atmosphere of the Warm Super-Neptune WASP-107b
2017 KREIDBERG L., LINE M., THORNGREN D., MORLEY C. & STEVENSON K.
ApJ. Letters, 858, L6
paper  arxiv