Planet WASP-148 b

Name WASP-148 b
Planet Status Confirmed
Discovered in 2020
Mass 0.287 ( -0.016 +0.022 ) MJ +
Mass*sin(i)
Semi-Major Axis 0.08215 ( -0.0015 +0.00086 ) AU +
Orbital Period 8.80345 ( -0.00016 +0.00011 ) day +
Eccentricity 0.208 (± 0.002) +
ω 60.6 ( -6.0 +5.0 ) deg +
Tperi
Radius 0.756 ( -0.017 +0.013 ) RJ +
Inclination 89.3 (± 0.24) deg
Update 2022-04-15
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2457957.4877 (± 0.0059) JD
Secondary transit
λ
Impact Parameter b 0.2 ( -0.07 +0.05 ) +
Time Vr=0
Velocity Semiamplitude K 30.1 ( -1.5 +1.6 ) m/s +
Calculated temperature 940.0 (± 80.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

WASP-148
Name WASP-148
Distance 248.1 (± 1.6) pc
Spectral type
Apparent magnitude V 12.0
Mass 1.0 (± 0.08) MSun
Age
Effective temperature 5460.0 (± 130.0) K
Radius 1.03 (± 0.2) RSun
Metallicity [Fe/H] 0.11 (± 0.08)
Detected Disc
Magnetic Field
RA2000 16:56:31.0
Dec2000 +44:18:09
Alternate Names
Planetary system
2 planets

More data


Related publications

The Aligned Orbit of WASP-148b, the Only Known Hot Jupiter with a Nearby Warm Jupiter Companion, from NEID and HIRES
2022 WANG X.-Y., RICE M., WANG S., PU B., STEFANSSON G. et al.
ApJ. Letters, 026, L8
paper   arxiv  

Photodynamical analysis of the nearly resonant planetary system WASP-148. Accurate transit-timing variations and mutual orbital inclination
2022 ALMENARA J., HEBRARD G., DIAZ R., LASKAR J., CORREIA A. et al.
Astron. & Astrophys., in press
paper   arxiv  

Discovery and characterization of the exoplanets WASP-148b and c. A transiting system with two interacting giant planets
2020 HEBRARD G., DIAZ R., CORREIA A., COLLIER CAMERONA., LASKAR J. et al.
Astron. & Astrophys., 640, A32
paper  arxiv

A Newtonian model for the WASP-148 exoplanetary system enhanced with TESS and ground-based photometric observations
2020 MACIEJEWSKI G., FERNANDEZ M., SOTA A. & SEGURA A.
Acta Astron., accepted
arxiv