Planet WASP-178 b

Name WASP-178 b
Planet Status Confirmed
Discovered in 2019
Mass 1.41 ( -0.51 +0.43 ) MJ +
Mass*sin(i)
Semi-Major Axis 0.0558 (± 0.001) AU
Orbital Period 3.3448285 (± 1.2e-06) day +
Eccentricity 0.0
ω
Tperi
Radius 1.94 ( -0.058 +0.06 ) RJ +
Inclination 85.7 ( -0.41 +0.39 ) deg +
Update 2022-04-06
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2457482.31209 ( -0.00091 +0.0009 ) JD +
Secondary transit
λ 91.3 ( -6.3 +6.5 ) deg
Impact Parameter b 0.628 ( -0.029 +0.027 ) +
Time Vr=0
Velocity Semiamplitude K 123.0 ( -45.0 +37.0 ) m/s +
Calculated temperature 2402.0 ( -71.0 +130.0 ) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names KELT-26 b

Star

WASP-178
Name WASP-178
Distance 417.0 (± 11.0) pc +
Spectral type A1IV-V
Apparent magnitude V 9.95
Mass 1.93 ( -0.16 +0.14 ) MSun +
Age 0.43 ( -0.25 +0.31 ) Gyr
Effective temperature 8640.0 ( -240.0 +500.0 ) K +
Radius 1.801 ( -0.48 +0.49 ) RSun +
Metallicity [Fe/H] -0.06 ( -0.34 +0.3 ) +
Detected Disc
Magnetic Field
RA2000 15:09:05.0
Dec2000 -42:42:18
Alternate Names KELT-26, HD 134004
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
SiO Measurements Detected 2022 - LOTHRINGER J.

Observability Predictor


Related publications

Precise Transit Photometry Using TESS: Updated Physical Properties for 28 Exoplanets Around Bright Stars
2023 SAHA S.
ApJ Suppl., 268, 2
paper   arxiv  

Constraining the reflective properties of WASP-178b using Cheops photometry
2023 PAGANO I., SCANDARIATO G., SINGH V., LENDL M., QUELOZ D. et al.
Astron. & Astrophys., accepted
arxiv  

TESS Transit Timing of Hundreds of Hot Jupiters
2022 IVSHINA E. & WINN J.
ApJ Suppl., 258, 62
paper   arxiv

UV absorption by silicate cloud precursors in ultra-hot Jupiter WASP-178b
2022 LOTHRINGER J., SINGH D., RUSTAMBKULOV Z., WAKEFORD H., STEVENSON K. et al.
Nature, 604, 49
paper   arxiv  

Significant Transit Timing Offsets of 31 Hot Jupiters
2021 SHAN S.-S., YANG F., LU Y.-J., WEI X., TIAN W.-W. et al.
ApJ Suppl., submitted
arxiv

KELT-25b and KELT-26b: A Hot Jupiter and a Substellar Companion Transiting Young A-stars Observed by TESS
2019 RODRIGUEZ MARTINEZ R., SCOTT GAUDI B., RODRIGUEZ J., ZHOU G., LABADIE-BARTZ J. et al.
Astron. J., submitted
arxiv  

WASP-South hot Jupiters: WASP-178b, WASP-184b, WASP-185b & WASP-192b
2019 HELLIER C., ANDERSON D., BARKAOUI K., BENKALDOUN Z., BOUCHY F. et al.
MNRAS, in press
paper  arxiv