Planet HAT-P-8 b

Name HAT-P-8 b
Discovered in 2008
Mass 1.34 (± 0.05) MJ
Semi-major axis 0.0449 (± 0.0007) AU
Orbital period 3.0763402 (± 1.5e-06) day
Eccentricity 0.0
ω
Tperi
Radius 1.5 ( -0.06 +0.06 ) RJ
Inclination 87.8 (± 0.77) deg;
Update July 29, 2013
Detection Method Transit
Mass Detection Method
Radius Detection method
Molecules detected
Primary transit 2454437.67657 (± 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

Star

Name HAT-P-8
Distance 230.0 (± 15.0) pc
Spectral type
Apparent magnitude V 10.17
Mass 1.28 (± 0.04) MSun
Age 3.4 (± 1.0) Gyr
Effective temperature 6200.0 (± 80.0) K
Radius 1.58 ( -0.06 +0.06 ) RSun
Metallicity [Fe/H] 0.01 (± 0.08)
Detected Disc
Magnetic Field
RA2000 22:52:10.0
Dec2000 +35:26:50
Alternate Names
Planetary system 1 planet

Remarks

alias GSC 02757-01152
alias 2MASS 22520985+3526495

More data


Related publications

WASP-12b and HAT-P-8b are Members of Triple Star Systems
2014 BECHTER E., CREPP J., NGO H., KNUTSON H. BATYGIN K. and 7 additional authors
ApJ, 788, 2
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Broadband Eclipse Spectra of Exoplanets are Featureless
2014 HANSEN C., SHWARTZ J. & COWAN N.
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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
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The multiplicity status of three exoplanet host stars
2013 GINSKI C., MUGRAUER M., SEELIGER M. & LÖHNE T.
Astron. & Astrophys., 559, A71
paper  

A lower radius and mass for the transiting extrasolar planet HAT-P-8b
2013 MANCINI L., SOUTHWORTH J., CICERI S., FORTNEY J., MORLEY C., & 8 additional authors
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Calibration of Equilibrium Tide Theory for Extrasolar Planet Systems II
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2012 HOLLIS M., BALAN S., LEVER G. & LAHAV O.
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2012 BERGFORS C., BRANDNER W., DAEMGEN S., BILLER B., HIPPLER M. a 5 additional authors
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2012 PLAVALOVA E.
Astrobiology, 12, 361
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2011 ZOGHBI J.-P.
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Content
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Spin-orbit inclinations of the exoplanetary systems HAT-P-8, HAT-P-9, HAT-P-16 and HAT-P-23
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MNRAS
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arxiv

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2010 HARTMAN J.
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2010 LANZA A.
Astron. & Astrophys., 512, A77
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2010 WRIGHT J., MARCY G. & the California Planet Survey consortium
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2010 WEIDNER C. & HORNE K.
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ApJ.
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