Planet WASP-42 b

Name WASP-42 b
Planet Status Confirmed
Discovered in 2011
Mass 0.5 ( -0.035 +0.035 ) MJ
Mass*sin(i)
Semi-Major Axis 0.0458 (± 0.0017) AU
Orbital Period 4.9816872 (± 7.3e-06) day
Eccentricity 0.06 (± 0.013)
ω 167.0 (± 26.0) deg
Tperi
Radius 1.08 ( -0.057 +0.057 ) RJ
Inclination 88.25 (± 0.27) deg
Update 2016-08-19
Detection Method Primary Transit
Mass Detection Method
Radius Detection Method
Primary transit 2455650.5672 (± 0.00023) JD
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

WASP-42
Name WASP-42
Distance
Spectral type
Apparent magnitude V
Mass
Age
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000 12:51:55.6
Dec2000 -42:04:25
Alternate Names
Planetary system 1 planet

More data

Observability Predictor

Remarks

15 May 2012: Lendl al. (2012) give also an orbital solution with e = 0 (fixed) with slightly different parameters.

Related publications

Original Research By Young Twinkle Students (ORBYTS): Ephemeris Refinement of Transiting Exoplanets III
2021 EDWARDS B., HO C., OSBORNE H., DEEN N., HATGORN E. et al.
Astronomy Theory, Observations and Methods Journal., accepted
arxiv  

High-precision photometry by telescope defocussing. VIII. WASP-22, WASP-41, WASP-42 and WASP-55
2016 SOUTHWORTH J., TREGLOAN-REED J., ANDERSEN M., CALCHI NOVATI S., CICERI S. et al.
MNRAS, 457, 4205
paper  arxiv  ADS  

WASP-42 b and WASP-49 b: two new transiting Saturns
2012 LENDL M., ANDERSON D., COLLIER-CAMERON A., DOYLE A., GILLON M. & 14 additional authors
Astron. & Astrophys., 544, A72
paper   arxiv

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities
2012 HOLLIS M., BALAN S., LEVER G. & LAHAV O.
MNRAS, 423, Issue 3, 2800-2814
paper  arxiv

Status of the WASP-South Search for Transiting Planets
2011 HELLIER C.

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5