Planet WASP-4 b

Name WASP-4 b
Discovered in 2007
Mass 1.237 ( -0.062 +0.059 ) MJ
Semi-major axis 0.02312 (± 0.00033) AU
Orbital period 1.33823187 (± 2.5e-07) day
Eccentricity 0.0
ω
Tperi
Radius 1.395 (± 0.022) RJ
Inclination 88.8 ( -0.43 +0.61 ) deg;
Update May 28, 2014
Detection Method Primary Transit
Mass Detection Method
Radius Detection method
Molecules detected
Primary transit 2454823.59192 (± 2.8e-05) JD
Secondary transit
Anomaly angle
impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitute
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Observability Predictor

Other web-pages

Geneva Ovservatory data

Star

Name WASP-4
Distance 300.0 (± 50.0) pc
Spectral type G8
Apparent magnitude V 12.6
Mass 0.93 (± 0.05) MSun
Age
Effective temperature 5500.0 (± 100.0) K
Radius 1.15 (± 0.28) RSun
Metallicity [Fe/H] -0.03 (± 0.09)
Detected Disc
Magnetic Field
RA2000 23:34:15.0
Dec2000 -42:03:41
Alternate Names
Planetary system 1 planet

Remarks

Alias USNO-B1.0 0479-0948995,

More data


Related publications

Benchmarking the power of amateur observatories for the TTV exoplanets detection
2015 BALUEV R., SOKOV E., SHAIDULIN V., SOKOVA I., JONES H. et al.
MNRAS, submitted

Starspots and spin-orbit alignment in the WASP-4 exoplanetary system
2011 SANCHEZ-OJEDA R., WINN J., HOLMAN M., CARTER J., OSIP D. & FUENTES C.
ApJ., 733, Issue 2, 127, 9 pp.
paper   arxiv

TraMoS project III: Improved physical parameters, timing analysis, and star-spot modelling of the WASP-4b exoplanet system from 38 transit observations
2013 HOYER S., LOPEZ-MORALES M., ROJO P., NASCIMBENI V., HIDALGO S. & 5 additional authors
MNRAS, in press
arxiv   paper

WASP-4b: a 12th-magnitude transiting hot-Jupiter in the Southern hemisphere
2008 WILSON D., GILLON M., HELLIER C., MAXTED P., PEPE F., QUELOZ D., ANDERSON D., COLLIER CAMERON A., SMALLEY B., LISTER T., BENTLEY J., BLECHA A., CHRISTIAN D., ENOCH B., HASWELL C., HEBB L., HORNE K., IRWIN J., JOSHI Y., MARMIER M., MAYOR M., PARLEY N., POLLACCO D., PONT F., RYANS R., SEGRANSAN D., SKILLEN I., STREET R., UDRY S., WEST R. & WHEATLEY P.
ApJ. Letters, 675, L113
paper

Spin-orbit angle measurements for six southern transiting planets; New insights into the dynamical origins of hot Jupiters
2010 TRIAUD A., COLIER CAMERON A., QUELOZ D., ANDERSON D., GILLON M. & 12 additional authors
Astron. & Astrophys., 524, A25
paper   preprint