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 Primary 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
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Observability Predictor

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 2 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

Friends of Hot Jupiters I: A Radial Velocity Search for Massive, Long-Period Companions in Hot Jupiter Systems
2013 KNUTSON H., FULTON B., MONTET B., KAO M., NGO H. & 8 additional authors
ApJ, 785, Issue 2, 126, 23 pp
paper   arxiv 

The HAT-P-13 Exoplanetary System: Evidence for Spin-Orbit Alignment and a Third Companion
2010 WINN J., JOHNSON J., HOWARD A., MARCY G., BAKOS G., HARTMAN J., TORRES G., ALBRECHT S. & NARITA N.
ApJ.
preprint

HAT-P-13b,c: a transiting hot Jupiter with a massive outer companion on an eccentric orbit
2009 BAKOS G., HOWARD A., NOYES R., HARTMAN J., TORRES G., KOVACS Ge., FISCHER D., LATHAM D., JOHNSON J., MARCY G., SASSELOV D., STEFANIK R., SIPOCZ B., KOVACS Ga., ESQUERDO G., PAL A., LAZAE J. PAPP I., & SARI P.
ApJ., 707, 446
paper

Long-Term Transit Timing Monitoring and Refined Light Curve Parameters of HAT-P-13b
2011 FULTON B., SHPORER A., WINN J., HOLMAN M., PAL A. & GAZAK J.
Astron. J., 142, 84
paper   arxiv