RAMOS X., CHRALAMBOUS C., BENITEZ-LlAMBAY P. & BEAUGE C. & Astrophys., accepted HR 8799 c is an extrasolar planet located approximately 129 light-years away in the constellation of Pegasus, orbiting the 6th magnitude Lambda Boötis star HR 8799.This planet has a mass between 5 and 10 Jupiter masses and a radius from 20 to 30% larger than Jupiter's. Gerbaldi, M.; Faraggiana, R.; Caffau, E. (2007). MOORE A. preprint, High-Contrast Observations in Optical and Infrared Astronomy BARMAN T., KONOPACKY Q., MACINTOSH B. 2010 38, 9 pp paper  arxiv, On the Mass Function, Multiplicity, and Origins of Wide-Orbit Giant Planets & ACEITUNO F. BAAS, 41, no 2, 434.10 MAROIS Ch., ZUCKERMAN B., KONOPACKY Q., MACINTOSH B. 2017 [2]​[11]​ OPPENHEIMER B. 2011 2009 MATTHEWS B., KENNEDY G., SIBTHORPE B., BOOTH M., WATT M. & 3 additional athors GOZDZIEWSKI K. & MIGASZEWSKI C. & Astrophys., 587, A57 & GILLON M. BOSS A. paper  arxiv  ADS, Searching for the HR 8799 Debris Disk with HST/STIS GOZDZIEWSKI K. & MIGASZEWSKI C. & MAROIS Ch. ApJ, accepted paper, Is the HR 8799 extrasolar system destined for planetary scattering? FRANTSEVA K., MUELLER M., POKORNY P., van der TAK F. & ten KATE I. 2009 GERARD B., LAWLER S., MAROIS Ch., TANNOCK M., MATTHEWS B. paper   arxiv, The planetary system host HR 8799: On its λ Bootis nature FABRYCKY D. & MURRAY-CLAY R. Její hmotnost činí 4 až 7 hmotností Jupiteru při poloměru o 10–30 % větším, než má tento plynný obr. & HAGHIGHIPOUR N. Astrobiol., 9, 259 J., 152, 28 ApJ, 823, 6 [4]​, El planeta exterior se mueve en el borde interno de un disco circunestelar de polvo semejante al cinturón de Kuiper del sistema solar. paper, H band Image of a Planetary Companion around HR 8799 in 2002 & Astrophys., submitted arxiv, Dependence of a planet's chaotic zone on particle eccentricity: the shape of debris disc inner edges Placing Limits on the Required Disk Masses Nature, 468, 1080 2016 2014 & HAGHIGHIPOUR N. 2010 & FREEDMAN R. arxiv, Exoplanetary Atmospheres & CURRIE Th. 2009 WRIGHT D., CHENE A.-N., De CAT P., MAROIS Ch., MATHIAS Ph., MACINTOSH B., ISAACS J., LEHMANN H. & HARTMANN M. Royer, F.; Zorec, J.; Gómez, A. E. (2007). BAAS, 41, no 3, 05.06 & CHURCH R. paper, Orbital Properties of the HR 8799 Planetary System 2015 SU K. & RIEKE G. paper, Exploring the conditions required to form giant planets via gravitational instability in massive protoplanetary discs Yes, we are in the era of watching planets orbit other stars. ApJ., 709, 342 BAAS, 42, no 1, 377.07 arxiv   Astron. ApJ. & SU K. 2011 paper  arxiv, Enrichment of the HR 8799 planets by minor bodies and dust MAROIS Ch., MACINTOSH B., BARMAN T., ZUCKERMAN B., SONG I., PATIENCE J., LAFRENIERE D. & DOYON R. & BARMAN T. Sci. & Astrophys., 616, A146 2009 Rev. KONOPACKY Q., MACINTOSH B., MAROIS C., BARMAN T. & GHEZ A. ADS, Towards a dynamics-based estimate of the extent of HR 8799's unresolved warm debris belt BAAS, 41, no 3, 31.03 2011 Left: This is an image of the star HR 8799 taken by Hubble's Near Infrared Camera and Multi-Object Spectrometer (NICMOS) in 1998. abstract, Imaging The Exoplanets In HR8799 With A Vector Vortex Coronagraph On The Palomar 1.5 M Diameter Well-corrected Subaperture Está catalogada como variable Gamma Doradus[1]​ —variables cuyas fluctuaciones de luminosidad son debidas a pulsaciones no radiales de su superficie— y como estrella Lambda Bootis —estrellas de Población I de baja metalicidad—. MADHUSUDHAN N., BURROWS A. An exact, generalised Laplace resonance in the HR 8799 planetary system 2016 & Astrophys. ApJ. THE STAR HR 8799, also known as HD 218396, is a sixth magnitude (5.99) white, class A5 hydrogen fusing dwarf that lies just with the Great Square of Pegasus. 2013 paper   Un cuarto planeta más interno, descubierto en 2010, completa el sistema de HR 8799. paper  arxiv, Resolved Millimeter Observations of the HR 8799 Debris Disk paper  arxiv   HR 8799 b on eksoplaneetta, joka löydettiin 13. marraskuuta 2008.Planeetta löydettiin kuvaamalla se suoraan. 2009 ApJ. RICH, E., CURRIE, T., WISNIEWSKI, J., HASHIMOTO, J., BRANDT, T. & 3additional authors BOWLER B., LIU M., DUPUY T. & CUSHING M. 2012 HINZ Ph., RODIGAS T., KENWORHY M., SIVANANDAM S., HEINZE A., MAMAJEK E. & MEYER M. ApJ, 795, 133 Con una masa un 50 % mayor que la masa solar,[3]​ su edad está en el rango comprendido entre 30 y 160 millones de años, siendo la mejor estimación de la misma 60 millones de años.[2]​. 2011 paper, Thermal Infrared MMTAO Observations of the HR 8799 Planetary System paper  arxiv, New constraints on the HR 8799 planetary system from mid-infrared direct imaging paper, Giant Planet Formation ESPOSITO S., MESA D., SKEMER A., ARCIDIACONO C., CLAUDI R. & 30 additional authors ApJ., 723, 850 & Astrophys., 595, A31 arxiv, First light of the VLT planet finder SPHERE. Radial Velocity Measurements of HR 8799 b and c with Medium Resolution Spectroscopy 2019 RUFFIO J.-B., MACINTOSH B., KONOPACKY Q., BARMAN T., DE ROSA R. et al. Further constraints on the planet architecture of the HR 8799 system BONNEFOY M., ZURLO A., BAUDINO J.-L., LUCAS P., MESA D. et al. 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