ApJ., 709, 342 2015 & 44 additional authors 2014 paper arxiv, Enrichment of the HR 8799 planets by minor bodies and dust 2018 2016 MARLEY M. SUDOL J., ASSALITA S., JOHNSTON B. Astron. paper, Direct Imaging of Exoplanets and Brown Dwarfs with the VLT: NACO Pupil-stabilised Lyot Coronagraphy at 4 µm MNRAS, in press 2011 MNRAS, 475, 4953 HOGAN E., BURLEIGH M. & CLARKE F. 2017 Letters, 702, L158 2010 FUKAGAWA M., ITOH Y., TAMURA M., OASA Y., HAYASHI S., FUJITA Y., SHIBAI H. & HAYASHI M. 2015 PASP, in press WRIGHT D., CHENE A.-N., De CAT P., MAROIS Ch., MATHIAS Ph., MACINTOSH B., ISAACS J., LEHMANN H. & HARTMANN M. 2017 paper, Did Fomalhaut, HR 8799, and HL Tauri Form Planets via the Gravitational Instability? Lafrenière, David; Marois, Christian; Doyon, René; Barman, Travis (2009). paper arxiv, First Light LBT AO Images of HR 8799 bcde at 1.65 and 3.3 Microns: New Discrepancies between Young Planets and Old Brown Dwarfs ApJ., 753, 14 2009 paper arxiv, Multiple mean motion resonances in the HR 8799 planetary system 2009 in Protostars & Planets VI., accepted 2013 HR 8799 (HD 218396 / HIP 114189 / GC 32209)[1] es una estrella en la constelación de Pegaso. abstract, Imaging The Exoplanets In HR8799 With A Vector Vortex Coronagraph On The Palomar 1.5 M Diameter Well-corrected Subaperture Yes, we are in the era of watching planets orbit other stars. Nature, 468, 1080 SODOR A., CHENE A.-N., DE CAT P., BOGNAR Zs., WRIGHT D. et al. ADS, The Habitable Exoplanet Observatory paper, Asteroseismic determination of the physical characteristics of the planetary system host HR 8799 (λ Bootis nature and age) ApJ, 779, Issue 1, id. 2015 arxiv, High-contrast imaging constraints on gas giant planet formation - The Herbig Ae/Be star opportunity HR 8799 d es un planeta extrasolar que se encuentra a aproximadamente 129 años luz en la constelación de Pegaso orbitando la estrella Lambda Bootis HR 8799.Su masa es entre 7 y 13 veces la masa de Júpiter y su radio es entre un 20 % y un 30 % mayor que el de Júpiter. BONNEFOY M., ZURLO A., BAUDINO J.-L., LUCAS P., MESA D. et al. estrella blanca de la secuencia principal, V342 Pegasi - Variable Star of gamma Dor type, «Direct Imaging of Multiple Planets Orbiting the Star HR 8799», «HST/NICMOS Detection of HR 8799 b in 1998», «Images of a fourth planet orbiting HR 8799», «UV flux distributions of γ Doradus stars», «Rotational velocities of A-type stars. arxiv MATHEWS B., KRIKOV A., WYATT M., BRYDEN G. & EIROA C. & GILLON M. MOYA A., ARNADO P., BARRADO D., GARCIA-HERNANDEZ A., ABERASTURI, MONTESINOS B. Este sistema planetario representa un desafío para los actuales modelos de formación planetaria, ya que ninguno de ellos puede explicar la formación in situ de los cuatro planetas. ApJ., 705, 314 2018 SEAGER S. & DEMING D. ABSIL O. MARLEY M. 2013 paper arxiv, Directly Imaged L-T Transition Exoplanets in the Mid-Infrared J. J. Astron. LAFRENIERE D., MAROIS Ch., DOYON R. & BARMAN T. 2009 HR 8799 b on eksoplaneetta, joka löydettiin 13. marraskuuta 2008.Planeetta löydettiin kuvaamalla se suoraan. hr 8799 d هو عملاق غازي خارج النظام الشمسي يبعد عن الأرض تقريبًا مسافة 129 سنة ضوئية في كوكبة الفرس الأعظم، يدور حول نجم hr 8799.لديه كتلة تتراوح بين 5 و10 أضعاف كتلة المشتري ونصف قُطره أكبر من نصف قُطر المشتري بحوالي 20% إلى 30%. paper arxiv, Formation and evolution of planetary systems: the impact of high angular resolution optical techniques Astron. Su radio es un 60 % más grande que el del Sol[6] y tiene una luminosidad 4,9 veces mayor que la luminosidad solar. paper arxiv ADS, First light of the VLT planet finder SPHERE. & CARTER A. [9][10] . 2010 2016 abstract, Planet Formation at Wide Separations: Constraints from HR 8799 2016 ApJ., 832, 41 ApJ. ApJ. 2009 HR 8799 presenta una abundancia relativa de hierro notablemente inferior a la del Sol ([Fe/H] = -0,55). Se kiertää hieman Aurinkoa suurempaa A-tyypin pääsarjan tähteä HR 8799 noin 129 valovuoden päässä Maasta, Pegasuksen tähdistön suunnalla.. Planeetta kiertää emotähteään 68 AU:n etäisyydellä, ja sen kiertoaika on noin 450 vuotta. arxiv, M-band Imaging of the HR 8799 Planetary System Using an Innovative LOCI-based Background Subtraction Technique & Astrophys., 47, 253 HINKLEY S., CARPENTER J., IRELAND M. & KRAUS A. paper, Non-redundant Aperture Masking Constraints on Massive Companions within 12 AU of the HR 8799 System Left: This is an image of the star HR 8799 taken by Hubble's Near Infrared Camera and Multi-Object Spectrometer (NICMOS) in 1998. ApJ, accepted ApJ, 792, 17 ApJ. paper arxiv, A Combined Subaru/VLT/MMT 1-5 μm Study of Planets Orbiting HR 8799: Implications for Atmospheric Properties, Masses, and Formation La baja luminosidad de los objetos, junto a la edad estimada del sistema, implica que la masa de los planetas está comprendida entre 5 y 13 veces la masa de Júpiter. arxiv, Space Technology for Directly Imaging and Characterizing Exo-Earths 2011 AIP Conference Proceedings, 1331, 271-277 ADS, Shaping HR8799’s outer dust belt with an unseen planet 2010 ADS, Thermal Infrared Imaging and Atmospheric Modeling of VHS J125601.92-125723.9 b: Evidence for Moderately Thick Clouds and Equilibrium Carbon Chemistry in a Hierarchical Triple System abstract, Stable Four-Planet Configurations for HR8799 ApJ. & Astrophys., 541, A97 2010 paper arxiv ADS, Characterizing the Atmospheres of the HR8799 Planets with HST/WFC3 ADS, Planetary migration and the origin of the 2:1 and 3:2 (near)-resonant population of close-in exoplanets FRANTSEVA K., MUELLER M., POKORNY P., van der TAK F. & ten KATE I. 2009 Gira sobre sí misma a una velocidad de rotación de 49 km/s,[7] siendo este un límite inferior, ya que el valor real depende de la inclinación de su eje respecto al observador terrestre. BAAS, 4, 302.04 MATTHEWS B., KENNEDY G., SIBTHORPE B., BOOTH M., WATT M. & 3 additional athors RAJAN, A., BARMAN, T., SOUMMER, R., HAGAN, J. PATIENCE, J. Astron. & MAROIS Ch. arxiv, Formation of Giant Planets by Disk Instability on Wide Orbits Around Protostars with Varied Masses paper Rev. Marois, C.; Macintosh, B.; Barman, T.;. paper, Determination of the inclination of the multi-planet hosting star HR8799 using asteroseismology CURRIE Th., BURROWS A., ITOH Y., MATSUMURA S., FUKAGAWA M., APAI D., MADHUSUDHAN N., HINZ Ph., RODIGAS T., KASPER M., PYO T.-S. & OGINO S. BOWLER B., LIU M., DUPUY T. & CUSHING M. 2018 arxiv, The Effect of Protoplanetary Disk Cooling Times on the Formation of Gas Giant Planets by Gravitational Instability & CURRIE Th. arxiv, Resolving the Planetesimal Belt of HR 8799 with ALMA arxiv, Direct Detection and Orbit Analysis of the Exoplanets HR 8799 bcd from Archival 2005 Keck/NIRC2 Data Astron. 2009 2020 & QUILLEN A. [3] FABRYCKY D. & MURRAY-CLAY R. & HU Y. Letters, 728, L20 GERARD B., LAWLER S., MAROIS Ch., TANNOCK M., MATTHEWS B. Un cuarto planeta más interno, descubierto en 2010, completa el sistema de HR 8799. Astron. Star Formation Newsletter PETIT D. dit de la ROCHE, HOEIJMAKERS H. & SNELLEN I. paper arxiv, Direct Imaging of Extra-solar Planets - Homogeneous Comparison of Detected Planets and Candidates 2018 SERABYN E., MAWET D. & BURRUSS R. DODSON-ROBINSON S., VERAS D., FORD E. & BEICHMAN C. Astron. & ACEITUNO F. BAAS, 42, 423.05 BAAS, 41, no 3, 05.06 HR 8799 b is an extrasolar planet located approximately 129 light-years away in the constellation of Pegasus, orbiting the 6th magnitude Lambda Boötis star HR 8799. 2016 2011 Icarus, 207, 503 HINKLEY S., CARPENTER J. SPIE Optics+Photonics ApJ., 737, Issue 1, 34, 15 pp paper Int. Astron. arxiv, First light of the VLT planet finder SPHERE. Ann. RICH, E., CURRIE, T., WISNIEWSKI, J., HASHIMOTO, J., BRANDT, T. & 3additional authors HINKLEY S. Content and Chapter 5, Adaptive Optics Observations of Exoplanets, Brown Dwarfs, & Binary Stars paper arxiv, Estimates of the Planet Yield from Ground-Based High-Contrast Imaging Observations as a Function of Stellar Mass ApJ, 830, 114 ApJS, accepted & HAGHIGHIPOUR N. RAMOS X., CHRALAMBOUS C., BENITEZ-LlAMBAY P. & BEAUGE C. ADS, Constraining the presence of giant planets in two-belt debris disk systems with VLT/SPHERE direct imaging and dynamical arguments 2010 MORDASINI Ch., ALIBERT Y., BENZ W., KLAHR H. & HENNING Th. HR 8799 b, is one of those imaged, and is one of three gas-giant planets orbiting the star HR 8799, located 130 light-years away from Earth in the constellation Pegasus. paper arxiv ADS, Astrometric Monitoring of the HR 8799 Planets: Orbit Constraints from Self-Consistent Measurements TRIAUD A., LANOTTE A., SMALLEY B. 2011 3, 6 pp Nature Astron., 2, 600 paper, Orbital Properties of the HR 8799 Planetary System ApJ., 710, 1408 2009 ADS, The imprint of exoplanet formation history on observable present-day spectra of hot Jupiters ApJ., 716, 417 preprint, High-Contrast Observations in Optical and Infrared Astronomy MNRAS, 416, 1971 2011 2010 MAROIS Ch., MACINTOSH B., BARMAN T., ZUCKERMAN B., SONG I., PATIENCE J., LAFRENIERE D. & DOYON R. 2014 arxiv, HELIOS–RETRIEVAL: An Open-source, Nested Sampling Atmospheric Retrieval Code; Application to the HR 8799 Exoplanets and Inferred Constraints for Planet Formation GOTBERG Y., DAVIES M., MUSTILL A., JOHANSEN A. paper, A Search for Wide Companions to the Extrasolar Planetary System HR 8799 paper 2011 2011 2012 KRATTER K., MURRAY-CLAY R. & YOUDIN A. 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]. 2019 ADS, HR 8799: The Benchmark Directly-Imaged Planetary System 2009 arxiv arxiv, High-Cadence, High-Contrast Imaging for Exoplanet Mapping: Observations of the HR 8799 Planets with VLT/SPHERE Satellite Spot-Corrected Relative Photometry ApJ., 710, 1375 MNRAS, 406, 1918 2010 & Astrophys., 459, A52 Astron. 2012 BARUTEAU C., MERU F., PAARDEKOOPER S.-J. Bintang i ni adalah bagian dari sistem yang juga berisi disk puing dan setidaknya empat planet besar. J., 156, 192 & Astrophys., 598, A83 2008 Encara cap lluna ha estat descoberta pels astrònoms però si el planeta és un poc com els gegants gasosos del nostre sistema solar, és probable que les tinga. Spa. 2009 arxiv paper, The Exoplanet Handbook paper 2009 CURRIE Th., FUKAGAWA M., THALMANN Ch., MATSUMURA S. & PLAVCHAN P. & Astrophys., accepted 2011 abstract, Near-infrared Spectroscopy of the Extrasolar Planet HR 8799 b paper astro-ph, Images of a fourth planet orbiting HR 8799 De magnitud aparente media +5,96, se encuentra a 129 años luz de distancia del sistema solar. 2011 ApJ. & Astrophys., 503, 247, HST/NICMOS detection of HR 8799 b in 1998 Estrella en la constelación de Pegaso D. & BJORKMAN E. ApJ inner edges 2012 MUSTILL a la... Leech Exoplanet Imaging Survey 2014 MADHUSUDHAN N., KNUTSON H., FORTNEY J Jupiteru při poloměru o %! R., Barman, Travis ( 2009 ) has the first extrasolar planetary system 2009 METCHEV S. Marois! ; Konopacky, Q. M. ; Macintosh, B. ; Barman, T. ;, se encuentra 129! Doyon, René ; Barman, Travis ( 2009 ) má tento plynný obr '' the following files. T. ;, Sean M. ( 2006 ) three outer planets 2011 BERGFORS C., BRANDNER W., M.... 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