Planet HAT-P-13 b

Name HAT-P-13 b
Discovered in 2009
Mass 0.85 (± 0.038) MJ
Semi-major axis 0.0426 ( -0.0012 +0.0012 ) AU
Orbital period 2.916243 (± 3e-06) day
Eccentricity 0.0142 ( -0.0044 +0.0044 )
ω 223.0 ( -38.0 +38.0 ) deg
Tperi
Radius 1.28 (± 0.079) RJ
Inclination 83.3 (± 0.62) deg;
Update Sept. 20, 2012
Detection Method Transit
Mass Detection Method
Radius Detection method
Molecules detected
Primary transit 2455176.5388 (± 0.00034) 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

25 May 2011: Nascimbeni et al. (2011) see a transit time variation with a period 1150 days and an amplitude 0.005 day. It would be compatible with a 5 MEarth perturber in 3:2 resonance.

Star

Name HAT-P-13
Distance 214.0 (± 12.0) pc
Spectral type G4
Apparent magnitude V 10.62
Mass 1.22 ( -0.1 +0.1 ) MSun
Age 5.0 ( -0.8 +0.8 ) Gyr
Effective temperature 5638.0 (± 90.0) K
Radius 1.56 (± 0.08) RSun
Metallicity [Fe/H] 0.43 (± 0.08)
Detected Disc
Magnetic Field
RA2000 08:39:32.0
Dec2000 +47:21:07
Alternate Names
Planetary system 3 planets

Remarks

Alias GSC 3416-00543
Alias 2MASS 08393180+4721073

26 Mar. 2010: A possible 3rd companion is seen in RV data (Winn et al. 2010)

More data


Related publications

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A Uniformly Derived Catalogue of Exoplanets from Radial Velocities
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paper  arxiv

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2012 PLAVALOVA E.
Astrobiology, 12, 361
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Refined physical properties of the HAT-P-13 planetary system
2012 SOUTHWORTH J., BRUNI I., MANCINI L. & GREGORIO J.
MNRAS, 420, 2580
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2011 HERRERO E., RIBAS I., JORDI C., GUINAN E. & ENGLE S.
Astron. & Astrophys., 537, A147, 10 pp
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Content
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2011 TRIAUD A.
Astron. & Astrophys., 534, L6
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MNRAS
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