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 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
Surface gravity log(g/gH)
Alternate Names

Graphical Ephemeris (Beta Version)

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 planets

More data


Related publications

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2008 WELSH W.
BAAS, 41, no 1, 319.01
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2008 RAYMOND S., BARNES R., ARMITAGE Ph. & GORELICK N.
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paper

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paper

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paper

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2007 NARITA N., SATO B., OSHIMA O. & WINN J.
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paper

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2007 GRIEßMEIER J.-M., ZARKA P. & SPREEUW H.
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paper

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paper

The High-Density Transiting Extrasolar Planet HD 17156b
2007 RAJAN A., WELSH W., IRVIN J., NUTZMAN P., CHARBONNEAU D., LAUGHLIN G., DAVIES D., BROWN T., HIDAS M. & LISTER T.
BAAS, 39, 134.08
abstract

HD 17156b: A Transiting Planet with a 21.2 Day Period and an Eccentric Orbit
2007 BARBIERI M., ALONSO R., LAUGHLIN G., ALMENARA J., BISSINGER R., DAVIES D., GASPARRI D., GUIDO E., LOPRESTI ., MANZINI F., & SOSTERO G.
Astron. & Astrophys., 476, L13
paper