Browsing by Title Facultad de Ciencias Físicas y Matemáticas

Now showing items 19468-19487 of 20545

    • The non-linear sewing lemma III: Stability and generic properties 
      Brault, Antoine; Lejay, Antoine (Walter de Gruyter GMBH, 2020)
      Solutions of Rough Differential Equations (RDE) may be defined as paths whose increments are close to an approximation of the associated flow. They are constructed through a discrete scheme using a non-linear sewing lemma. ...
    • The northern arc of epsilon eridani's debris ring as seen by ALMA 
      Booth, Mark; Dent, William R. F.; Jordan, Andrés; Lestrade, Jean Francois; Hales, Antonio S.; Wyatt, Mark C.; Casassus Montero, Simón; Ertel, Steve; Greaves, Jane S.; Kennedy, Grant M.; Matra, Luca; Augereau, Jean Charles; Villard, Eric (Oxford University Press, 2017)
      We present the first Atacama Large Millimeter/submillimeter Array (ALMA) observations of the closest known extrasolar debris disc. This disc orbits the star is an element of Eri, a K-type star just 3.2 pc away. Due to the ...
    • The NSLUC property and Klee envelope 
      Jourani, Abderrahim; Thibault, Lionel; Zagrodny, Dariusz (Springer, 2016)
      A notion called norm subdifferential local uniform convexity (NSLUC) is introduced and studied. It is shown that the property holds for all subsets of a Banach space whenever the norm is either locally uniformly convex or ...
    • The nucleus pretectalis principalis: A pretectal structure hidden in the mammalian thalamus 
      Deichler, Alfonso; Carrasco, Denisse; González-Cabrera, Cristian; Letelier, Juan; Marín, Gonzalo; Mpodozis Marín, Jorge (Wiley-Liss Inc., 2019)
      A defining feature of the amniote tecto‐fugal visual pathway is a massive bilateral projection to the thalamus originating from a distinct neuronal population, tectal ganglion cells (TGCs), of the optic tectum/superior ...
    • The nustar extragalactic survey: average broadband X - ray spectral properties of the NuSTAR - detected AGNs 
      Moro, A. del; Alexander, D. M.; Aird, J. A.; Saez, C. (IOP Publishing Ltd., 2017)
      We present a study of the average X-ray spectral properties of the sources detected by the NuSTAR extragalactic survey, comprising observations of the Extended Chandra Deep Field South (E-CDFS), Extended Groth Strip (EGS), ...
    • The NuSTAR extragalactic surveys: source catalog and the compton-thick fraction in the UDS field 
      Masini, A.; Saez, C. (IOP Publishing Ltd, 2018)
      We present the results and the source catalog of the NuSTAR survey in the UKIDSS Ultra Deep Survey (UDS) field, bridging the gap in depth and area between NuSTAR's ECDFS and COSMOS surveys. The survey covers a similar to ...
    • The NuSTAR serendipitous survey: hunting for the most extreme obscured AGN at > 10keV 
      Lansbury, G. B.; Alexander, D. M.; Aird, J.; Saez, C. (IOP Publishing Ltd, 2017)
      We identify sources with extremely hard X-ray spectra (i.e., with photon indices of Gamma less than or similar to 0.6) in the 13 deg(2) NuSTAR serendipitous survey, to search for the most highly obscured active galactic ...
    • THE OLD ENVIRONMENT OF THE FAINT CALCIUM-RICH SUPERNOVA SN 2005cz 
      Perets, Hagai B.; Gal Yam, Avishay; Crockett, R. Mark; Anderson, Joseph P.; James, Phil A.; Sullivan, Mark; Neill, James D.; Douglas C. Leonard (IOP PUBLISHING LTD, 2011-02-20)
      The supernova SN 2005cz has recently attracted some attention due to the fact that it was spectroscopically similar to type Ib supernovae (SNe Ib), a class that is presumed to result from the core collapse of massive stars, ...
    • The Ophiuchus DIsc Survey Employing ALMA (ODISEA) - I: Project description and continuum images at 28 au resolution 
      Cieza, Lucas A.; Ruíz-Rodríguez, Dary; Hales, Antonio; Casassus Montero, Simón; Pérez, Sebastian; Gonzalez-Ruilova, Camilo; Cánovas, Hector; Williams, Jonathan P.; Zurlo, Alice; Ansdell, Megan; Avenhaus, Henning; Bayo, Amelia; Bertrang, Gesa H.M.; Christiaens, Valentin; Dent, (Oxford University Press, 2019)
      © 2018 The Author(s). Published by Oxford University Press on behalf of the Royal Astronomical Society. We introduce the Ophiuchus DIsc Survey Employing ALMA (ODISEA), a project aiming to study the entire population of ...
    • The Ophiuchus DIsc Survey Employing ALMA (ODISEA) – II. The effect of stellar multiplicity on disc properties 
      Zurlo, Alice; Cieza, Lucas A.; Pérez, Sebastián; Christiaens, Valentín; Williams, Jonathan P.; Guidi, Greta; Cánovas, Héctor; Casassus Montero, Simón; Hales Gebrim, Antonio; Principe, David A.; Ruíz Rodríguez, Dary; Fernández Figueroa, Antonia (Oxford University Press, 2020)
      We present adaptive optics (AO) near-infrared (NIR) observations using VLT/NACO and Keck/NIRC2 of Ophiuchus DIsc Survey Employing ALMA (ODISEA) targets. ODISEA is an ALMA survey of the entire population of circumstellar ...
    • The optimal windows for seismically-enhanced gold precipitation in the epithermal environment 
      Sánchez Alfaro, Pablo; Reich Morales, Martín; Driesner, Thomas; Cembrano, Jose; Arancibia, Gloria; Pérez Flores, Pamela; Heinrich, Christoph A.; Rowland, Julie; Tardani, Daniele; Lange, Dietrich; Campos, Eduardo (Elsevier Science BV., 2016)
      Epithermal gold (Au) deposits result from the combination of a sustained flux of metal-rich fluids and an efficient precipitation mechanism. Earthquakes may trigger gold precipitation by rapid loss of fluid pressure but ...
    • The ordered weighted average in the theory of expertons 
      Linares-Mustarós, Salvador; Ferrer-Comalat, Joan; Corominas-Coll, Dolors; Merigó Lindahl, José (John Wiley and Sons Ltd, 2019)
      This work presents a data‐fusion mathematical object thatincorporates the optimism level of a decision‐makingagent. The new fusion object is constructed by extendingthe ordered weighted averaging (OWA) operator in theprocess ...
    • The origin of Asian monsoons: a modelling perspective 
      Tardif, Delphine; Fluteau, Frédéric; Donnadieu, Yannick; Le Hir, Guillaume; Ladant, Jean-Baptiste; Sepulchre, Pierre; Licht, Alexis; Poblete Gómez, Fernando; Dupont-Nivet, Guillaume (Copernicus Gesellschaft MHB, 2020)
      The Cenozoic inception and development of the Asian monsoons remain unclear and have generated much debate, as several hypotheses regarding circulation patterns at work in Asia during the Eocene have been proposed in the ...
    • The origin of Patagonia revealed by Re-Os systematics of mantle xenoliths 
      Schilling, Manuel Enrique; Carlson, Richard Walter; Tassara, Andrés; Conceição, Rommulo Vieira; Bertotto, Gustavo Walter; Vásquez Navarro, Manuel; Muñoz Olguín, Daniel; Jalowitzki, Tiago; Gervasoni, Fernanda; Morata Céspedes, Diego (Elsevier, 2017-06)
      We present mineral chemistry and whole rock major, trace, and platinum group element (PGE) concentrations, and Re-Os isotope data for eighteen mantle xenoliths carried to the surface of southern Patagonia (45 degrees-52 ...
    • The origin of UV-optical variability in AGN and test of disc models: XMM-Newton and ground-based observations ... 
      McHardy, I. M.; Connolly, S. D.; Peterson, B. M.; Bieryla, A.; Chand, H.; Elvis, M. S.; Emmanoulopoulos, D.; Falco, E.; Kaspi, S.; Latham, D.; Lira Teillery, Paulina; McCully, C.; Netzer, H.; Uemura, M. (Wiley, 2016)
      The origin of short timescale (weeks/months) variability of AGN, whether due to intrinsic disc variations or reprocessing of X-ray emission by a surrounding accretion disc, has been a puzzle for many years. However recently ...
    • The Origins of Young Stars in the Direction of the Leading Arm of the Magellanic Stream: Abundances, ... 
      Zhang, Lan; Casetti-Dinescu, Dana I.; Bidin, Christian Moni; Méndez, Réne A.; Girard, Terrence M.; Vieira, Katherine; Korchagin, Vladimir I.; Van Altena, William F.; Zhao, Gang (Institute of Physics Publishing, 2019)
      We explore the origins of the young B-type stars found by Casetti-Dinescu et al. at the outskirts of the Milky Way disk in the sky region of the Leading Arm of the Magellanic Stream. High-resolution spectroscopic observations ...
    • The Pan-Pacific Planet Search. VII. the Most Eccentric Planet Orbiting a Giant Star 
      Wittenmyer, Robert A.; Jones, M. I.; Horner, Jonathan; Kane, Stephen R.; Marshall, J. P.; Mustill, A. J.; Jenkins, James Stewart; Pena Rojas, P. A.; Zhao, Jinglin; Villaver, Eva; Butler, R. P.; Clark, Jake (IOP Publishing, 2017)
      Radial velocity observations from three instruments reveal the presence of a 4 M Jup planet candidate orbiting the K giant HD 76920. HD 76920b has an orbital eccentricity of 0.856 ±0.009, making it the most eccentric planet ...
    • The Pauli principle and the confinement of electron pairs in a double well: Aspects of electronic bonding ... 
      Novoa, Trinidad; Contreras-García, Julia; Fuentealba Rosas, Patricio; Cárdenas, Carlos (American Institute of Physics Inc., 2019)
      It has become recently clear that chemical bonding under pressure is still lacking guiding principles for understanding the way electrons reorganize when their volume is constrained. As an example, it has recently been ...
    • The peculiar SN 2005hk: Do some type ia supernovae explode as deflagrations? 
      Phillips, Mark M.; Li, Weidong; Frieman, Joshua A.; Blinnikov, Sergei; DePoy, Darren; Prietro, Jose L.; Milne, P.; Contreras, Carlos; Folatelli, Gastón; Morrell, Nidia; Hamuy Wackenhut, Mario; Suntzeff, Nicholas B.; Roth, Miguel; Krzeminski, Wojtek; Filippenko, Alexei V.; Freedman, Wendy L.; Chornock, Ryan; Jha, Saurabh; Madore, Barry F.; Persson, S. E.; González Tagle, Sergio; Burns, Christopher R.; Wyatt, Pamela; Murphy, David; Foley, Ryan J.; Ganeshalingam, Mohan; Serduke, Franklin J. D.; Krisciunas, Kevin; Bassett, Bruce; Becker, Andrew; Dilday, Ben; Eastman, J.; Garnavich, Peter M.; Holtzman, Jon; Kessler, Richard; Lampeitl, Hubert; Marriner, John; Frank, S.; Marshall, J. L.; Miknaitis, Gajus; Sako, Masao; Schneider, Donald P.; Van Der Heyden, Kurt; Yasuda, Naoki (2007)
      We present extensive u'g'r'i'BVRIYJHK(s) photometry and optical spectroscopy of the Type Ia supernova ( SN) 2005hk. These data reveal that SN 2005hk was nearly identical in its observed properties to SN 2002cx, which has ...
    • The PHANGS-HST survey: Physics at high angular resolution in nearby galaxies with the hubble space telescope 
      Lee, Janice C.; Whitmore, Bradley C.; Thilker, David A.; Deger, Sinan; Larson, Kirsten L.; Ubeda, Leonardo; Anand, Gagandeep S.; Boquien, Médéric; Chandar, Rupali; Dale, Daniel A.; Emsellem, Eric; Leroy, Adam K.; Rosolowsky, Erik; Schinnerer, Eva; Schmidt, Judy; Lilly, James; Turner, Jordan; Van Dyk, Schuyler; White, Richard L.; Barnes, Ashley T.; Belfiore, Francesco; Bigiel, Frank; Blanc Mendiberri, Guillermo Alberto Neville; Cao, Yixian; Chevance, Melanie; Congiu, Enrico; Egorov, Oleg V.; Glover, Simon C. O.; Grasha, Kathryn; Groves, Brent; Henshaw, Jonathan D.; Hughes, Annie; Klessen, Ralf S.; Koch, Eric; Kreckel, Kathryn; Diederik Kruijssen, J. M.; Liu, Daizhong; López, Laura A.; Mayker, Ness; Meidt, Sharon E; Murphy, Eric J.; Pan, Hsi-An; Pety, Jérôme; Querejeta, Miguel; Razza, Alessandro; Saito, Toshiki; Sánchez Blázquez, Patricia; Santoro, Francesco; Sardone, Amy; Scheuermann, Fabian; Schruba, Andreas; Sun, Jiayi; Usero, Antonio; Watkins, E.; Williams, Thomas G. (IOP Publishing, 2022)
      The PHANGS program is building the first data set to enable the multiphase, multiscale study of star formation across the nearby spiral galaxy population. This effort is enabled by large survey programs with the Atacama ...