Planet HAT-P-20 b

Name HAT-P-20 b
Planet Status Confirmed
Discovered in 2010
Mass 7.246 ( -0.187 +0.187 ) MJ
Mass*sin(i)
Semi-Major Axis 0.0361 (± 0.0005) AU
Orbital Period 2.875317 (± 4e-06) day
Eccentricity 0.015 (± 0.0005)
ω 317.0 (± 130.0) deg
Tperi
Radius 0.867 ( -0.033 +0.033 ) RJ
Inclination 81.9 (± 0.1) deg +
Update 2017-02-13
Detection Method Primary Transit
Mass Detection Method
Radius Detection Method
Primary transit 2456708.35626 (± 8.8e-05) JD +
Secondary transit
λ 172.0 (± 6.9) deg
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HAT-P-20
Name HAT-P-20
Distance 70.0 (± 3.0) pc
Spectral type K7
Apparent magnitude V 11.34
Mass 0.756 (± 0.028) MSun
Age 6.7 ( -3.8 +3.8 ) Gyr
Effective temperature 4595.0 (± 80.0) K
Radius 0.694 (± 0.21) RSun
Metallicity [Fe/H] 0.35 (± 0.08)
Detected Disc
Magnetic Field
RA2000 07:27:40.0
Dec2000 +24:20:11
Alternate Names
Planetary system 1 planet

More data

Observability Predictor

Remarks

11 Dec 2010: The time of secondary eclipse is not measured but derived from the Keplerian orbit (Bakos et al. 2010)

Related publications

Observing transiting planets with JWST -- Prime targets and their synthetic spectral observations
2017 MOLLIERE P., van BOEKEL R., BOUWMAN J., HENNING Th., LAGAGE P.-O. & MIN M.
Astron. & Astrophy., 600, A10
paper  arxiv  ADS

The GAPS Programme with HARPS-N at TNG. XIII. The orbital obliquity of three close-in massive planets hosted by dwarf K-type stars: WASP-43, HAT-P-20 and Qatar-2
2017 ESPOSITO M., COVINO E., DESIDERA S., MANCINI L., NASCIMBENI V. et al.
Astron. & Astrophys., 601, A63
paper  arxiv  ADS

Refined System Parameters and TTV Study of Transiting Exoplanetary System HAT-P-20
2017 SUN L., GU Sh., WANG X., COLLIER CAMERON A., CAO D. et al.
Astron. J., 153, 28
paper   arxiv   ADS  

Energy-limited escape revised. The transition from strong planetary winds to stable thermospheres
2016 SALZ M., SCHNEIDER P., CZESLA S. & SCHMITT J.
Astron. & Astrophys., 585, L2
paper   arxiv   ADS  

High-energy irradiation and mass loss rates of hot Jupiters in the solar neighborhood
2015 SALZ M., SCHNEIDER P., CZESLA S.& SCHMITT J.
Astron. & Astrophys., 576, A42
paper  arxiv  ADS  

Spitzer Secondary Eclipses of the Dense, Modestly-irradiated, Giant Exoplanet HAT-P-20b Using Pixel-level Decorrelation
2015 DEMING D., KNUTSON H., KAMMER J., FULTON B., INGALLS J. et al.
ApJ, 805, 132
paper   arxiv   ADS

Defocused Observations of Selected Exoplanet Transits with T100 in TUBITAK National Observatory of Turkey (TUG)
2015 BASTURK O., HINSE T., OZAVCI I, YOROKOGLU O. & SELAM S.
in "Living Together: Planets, Host Stars and Binaries " Litomysi 2015
arxiv  

Friends of Hot Jupiters I: A Radial Velocity Search for Massive, Long-Period Companions to Close-In Gas Giant Planets
2014 KNUTSON H., FULTON B., MONTET B., KAO M., NGO H. & 8 additional authors
ApJ, 785, 126
paper   arxiv   ADS  

Factors Affecting the Radii of Close-in Transiting Exoplanets
2012 ENOCH B., COLLIER CAMERON A. & HORNE K.
Astron. & Astrophys., 540, A99
paper   arxiv   ADS  

Multiwavelength flux variations induced by stellar magnetic activity: effects on planetary transits
2012 BALLERINI P., MICELA G., LANZA A. & PAGANO I.
Astron. & Astrophys., 539, A140
paper

Constraining Tidal Dissipation in Stars from The Destruction Rates of Exoplanets
2012 PENEV K., JACKSON B., SPADA F. & THOM N.
ApJ., 751, 96
paper   arxiv   ADS  

Taxonomy of the extrasolar planet
2012 PLAVALOVA E.
Astrobiology, 12, 361
paper   arxiv

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities
2012 HOLLIS M., BALAN S., LEVER G. & LAHAV O.
MNRAS, 423, Issue 3, 2800-2814
paper  arxiv

Planets from the HATNet project
2011 BAKOS G., HARTMAN J., TORRES G., KOVACS G., NOYES R., LATHAM D., SASSELOV D. & BEKY B.
arxiv

The Reflection Effect in Interacting Binaries or in Planet-Star Systems
2011 BUDAJ J.
Astron. J., 141, 59
paper

On the Anomalous Radii of the Transiting Extrasolar Planets
2011 LAUGHLIN G., CRISMANI M. & ADAMS F.
ApJ. Letters, 729, L7
paper

Quantization of Planetary Systems and its Dependency on Stellar Rotation
2011 ZOGHBI J.-P.
Publ. Astron. Soc. Australia, 28, 177
paper   arxiv   ADS  

The Heavy Element Composition of Disk Instability Planets Can Range From Sub- to Super-Nebular
2011 BOLEY A., HELLED R. & PAYNE M.
ApJ.
arxiv

Defining and cataloging exoplanets: The exoplanet.eu database
2011 SCHNEIDER J., DEDIEU C., LE SIDANER P., SAVALLE R. & ZOLOTUKHIN I.
Astron. & Astrophys., 532, A79
paper   arxiv

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5

The Exoplanet Orbit Database
2011 WRIGHT J., FAKHOURI O., MARCY G., HAN E., FENG Y., JOHNSON A., HOWARD A., VALENTI J., ANDERSON J. & PISKUNOV N.
PASP, 123, 412
paper   arxiv

HAT-P-20b--HAT-P-23b: Four Massive Transiting Extrasolar Planets
2010 BAKOS G., HARTMAN J., TORRES G., LATHAM D., KOVACS Ge., NOYES R., FISCHER D., JOHNSON J., MARCY G., HOWARD A., KIPPING D., ESQUERDO G., SHPORER A., BEKY B., BUCHHAVE L., PERUMPILLY G., EVERETT M., SASSELOV D., STEFANIK R., LAZAR J., PAPP I. & SARI P.
ApJ., 742, 116
paper   arxiv

Understanding exoplanet formation, structure and evolution in 2010
2010 CHABRIER G., LACONTE J. & BARAFFE I.
arxiv

The radius anomaly in the planet/brown dwarf overlapping mass regime
2010 LECONTE J., CHABRIER G., BARAFFE I. & LEVRARD B.
Detection and Dynamics of Transiting Exoplanets, 11
paper   arxiv