Planet HD 17156 b

Name HD 17156 b
Discovered in 2007
Mass 3.191 (± 0.033) MJ
Semi-major axis 0.1623 ( -0.002 +0.002 ) AU
Orbital period 21.2163979 (± 1.59e-05) day
Eccentricity 0.6768 (± 0.0034)
ω 121.71 (± 0.43) deg
Tperi 3738.529 (± 0.5) JD
Radius 1.095 (± 0.02) RJ
Inclination 87.21 (± 0.31) deg;
Update Aug. 16, 2014
Detection Method Primary Transit
Mass Detection Method
Radius Detection method
Molecules detected
Primary transit 2454884.02817 (± 7.3e-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

Remarks

18 Dec. 07: Narita et al (2007) find a large misalignement (62 +/- 25 deg.) between the star and planet orbit axis

Other web-pages

CAS Exoplanet Transit Database

Star

Name HD 17156
Distance 78.24 pc
Spectral type G0
Apparent magnitude V 8.17
Mass 1.275 (± 0.018) MSun
Age 3.38 ( -0.47 +0.47 ) Gyr
Effective temperature 6079.0 (± 80.0) K
Radius 1.508 (± 0.021) RSun
Metallicity [Fe/H] 0.24 (± 0.05)
Detected Disc
Magnetic Field
RA2000 02:49:44.0
Dec2000 +71:45:12
Alternate Names
Planetary system 2 planet

More data


Related publications

Exoplanetary Geophysics -- An Emerging Discipline
2015 LAUGHLIN G. & LISSAUER J.
Review Chapter in Treatise on Geophysics, accepted
arxiv  

Precise Estimates of the Physical Parameters for the Exoplanet System HD-17156 Enabled by HST FGS Transit and Asteroseismic Observations
2011 NUTZMAN Ph., GILLILAND R., McCOLLOUGH P., CHARBONNEAU D., CHRISTENSEN-DALSGAARD J., KJELDSEN H., NELAN E., BROWN T. & HOLMAN M.
ApJ., 726, 3
arxiv

The Transit Light Curve Project. X. A Christmas Transit of HD 17156b
2009 WINN J., HOLMAN M., HENRY G., TORRES G., FISCHER D., JOHNSON J., MARCY G., SHPORER A. & MAZEH T.
ApJ., 693, 794
paper

Improved Measurement of the Rossiter-McLaughlin Effect in the Exoplanetary System HD 17156
2009 NARITA N., HIRANO T., SATO B., WINN J., SUTO Y., TURNER E., AOKI W., TAMURA M. & YAMADA T.
PASJ, 61, 991
paper

Five Intermediate-Period Planets from the N2K Sample
2007 FISCHER D., MARCY G., BUTLER P., SATO B., VOGT S., ROBINSON S., LAUGHLIN G., HENRY G., DRISCOLL P., TAKEDA G., WRIGHT J. & JOHNSON J.
ApJ., 669, 1336
paper

Planets in Spin-Orbit Misalignment and the Search for Stellar Companions
2014 ADDISON B., TINNEY Ch., WRIGHT D., SALTER G., BAYLISS D. & ZHOU G.
in "13th annual Australian Space Science Conference"
arxiv