J
J. C. Guerra
Researcher at University of Arizona
Publications - 8
Citations - 417
J. C. Guerra is an academic researcher from University of Arizona. The author has contributed to research in topics: Planetary system & Adaptive optics. The author has an hindex of 6, co-authored 8 publications receiving 398 citations.
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Journal ArticleDOI
FIRST LIGHT LBT AO IMAGES OF HR 8799 bcde AT 1.6 AND 3.3 μm: NEW DISCREPANCIES BETWEEN YOUNG PLANETS AND OLD BROWN DWARFS*
Andrew J. Skemer,Philip M. Hinz,Simone Esposito,Adam Burrows,Jarron Leisenring,Michael F. Skrutskie,Silvano Desidera,Dino Mesa,Carmelo Arcidiacono,Filippo Mannucci,Timothy J. Rodigas,Laird M. Close,Donald W. McCarthy,Craig Kulesa,Guido Agapito,Daniel Apai,Javier Argomedo,Vanessa P. Bailey,K. Boutsia,Runa Briguglio,Guido Brusa,Lorenzo Busoni,Riccardo Claudi,Joshua Eisner,Luca Fini,Katherine B. Follette,Peter M. Garnavich,Raffaele Gratton,J. C. Guerra,John M. Hill,William F. Hoffmann,Terry J. Jones,M. Krejny,Jared R. Males,Elena Masciadri,Michael Meyer,Douglas L. Miller,Katie M. Morzinski,Matthew J. Nelson,Enrico Pinna,Alfio Puglisi,Sascha P. Quanz,Fernando Quiros-Pacheco,Armando Riccardi,P. Stefanini,Vidhya Vaitheeswaran,John C. Wilson,Marco Xompero +47 more
TL;DR: In this paper, the spectral energy distribution of the HR 8799 planets is modeled as a mixture of clouds of varying opacity, similar to the patchy cloud structures on Jupiter and L/T transition brown dwarfs.
Journal ArticleDOI
LBT observations of the HR8799 planetary system â†: First detection of HR8799e in H band
Simone Esposito,Dino Mesa,Andy Skemer,Carmelo Arcidiacono,Riccardo Claudi,Silvano Desidera,R. G. Gratton,F. Mannucci,Francesco Marzari,Elena Masciadri,Laird M. Close,P. M. Hinz,Craig Kulesa,Donald W. McCarthy,Jared R. Males,Guido Agapito,J. Argomedo,K. Boutsia,Runa Briguglio,Guido Brusa,L. Busoni,Giovanni Cresci,Luca Fini,Adriano Fontana,J. C. Guerra,John M. Hill,Douglas L. Miller,Diego Paris,E. Pinna,Alfio Puglisi,Fernando Quiros-Pacheco,Armando Riccardi,P. Stefanini,Vincenzo Testa,Marco Xompero,Chick E Woodward +35 more
TL;DR: In this article, the authors performed H and KS band observations of the planetary system around HR8799 using the new AO system at the Large Binocular Telescope and the PISCES Camera.
Journal ArticleDOI
High-resolution Images of Orbital Motion in the Orion Trapezium Cluster with the LBT AO System
Laird M. Close,Alfio Puglisi,Jared R. Males,Carmelo Arcidiacono,Andy Skemer,J. C. Guerra,Lorenzo Busoni,Guido Brusa,Enrico Pinna,Douglas L. Miller,Armando Riccardi,Donald W. McCarthy,M. Xompero,Craig Kulesa,Fernando Quiros-Pacheco,J. Argomedo,Joar G. Brynnel,Simone Esposito,F. Mannucci,K. Boutsia,Luca Fini,David Thompson,John M. Hill,Charles E. Woodward,Runa Briguglio,Timothy J. Rodigas,P. Stefanini,Guido Agapito,P. M. Hinz,Katherine B. Follette,Richard F. Green +30 more
TL;DR: In this article, an 8.4 m LBT adaptive secondary AO system, with its novel pyramid wavefront sensor, was used to produce very high Strehl (approx}> 75% at 2.5 mas accuracies.
Journal ArticleDOI
High Resolution Images of Orbital Motion in the Orion Trapezium Cluster with the LBT Adaptive Optics System
Laird M. Close,Alfio Puglisi,Jared R. Males,Carmelo Arcidiacono,Andy Skemer,J. C. Guerra,Lorenzo Busoni,G. Brusa,E. Pinna,Douglas L. Miller,Armando Riccardi,Donald W. McCarthy,Marco Xompero,Craig Kulesa,Fernando Quiros-Pacheco,J. Argomedo,Joar G. Brynnel,Simone Esposito,F. Mannucci,K. Boutsia,Luca Fini,D. J. Thompson,John M. Hill,Charles E. Woodward,Runa Briguglio,T. J. Rodigas,P. Stefanini,Guido Agapito,P. M. Hinz,Katherine B. Follette,Richard F. Green +30 more
TL;DR: The 8.4m LBT adaptive secondary AO system, with its novel pyramid wavefront sensor, was used to produce very high Strehl (75% at 2.16 microns) near infrared narrowband images of 47 young (~1 Myr) Orion Trapezium theta1 Ori cluster members as mentioned in this paper.
Proceedings ArticleDOI
SHARK (System for coronagraphy with High order Adaptive optics from R to K band): a proposal for the LBT 2nd generation instrumentation
Jacopo Farinato,Fernando Pedichini,Enrico Pinna,Francesca Baciotti,Carlo Baffa,Andrea Baruffolo,Maria Bergomi,Pietro Bruno,Enrico Cappellaro,Luca Carbonaro,Alexis Carlotti,Mauro Centrone,Laird M. Close,Johanan L. Codona,Silvano Desidera,Marco Dima,Simone Esposito,Daniela Fantinel,G. Farisato,Adriano Fontana,Wolfgang Gaessler,Emanuele Giallongo,Raffaele Gratton,Davide Greggio,J. C. Guerra,Olivier Guyon,Philip M. Hinz,Francesco Leone,Franco Lisi,Demetrio Magrin,Luca Marafatto,Matteo Munari,Isabella Pagano,Alfio Puglisi,Roberto Ragazzoni,Bernardo Salasnich,Eleonora Sani,Salvo Scuderi,Marco Stangalini,Vincenzo Testa,Christophe Verinaud,Valentina Viotto +41 more
TL;DR: In this article, the authors investigated the technical feasibility and the scientific capabilities of high contrast cameras to be implemented at LBT and proposed SHARK, an instrument that will fully exploit the unique LBT capabilities in First Light Adaptive Optics (FLAO) system, which is obtaining excellent performance and reliability.