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 |
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
Planetary Parameters, XUV Environments, and Mass-loss Rates for Nearby Gaseous Planets with X-Ray-detected Host Stars
2023
SPINELLI R., GALLO H., HAARDT F., CALDIROLI A., BIASSONI F. et al.
Astron. J, 165, 200
paper
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
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
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
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
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
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
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
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
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
Factors Affecting the Radii of Close-in Transiting Exoplanets
2012
ENOCH B., COLLIER CAMERON A. & HORNE K.
Astron. & Astrophys., 540, A99
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
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
Planets from the HATNet project
2011
BAKOS G., HARTMAN J., TORRES G., KOVACS G., NOYES R., LATHAM D., SASSELOV D. & BEKY B.
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
