Facultad de Ciencias Físicas y Matemáticas: Recent submissions

Now showing items 4241-4260 of 22095

    • Frequency and nature of central molecular outflows in nearby star-forming disk galaxies 
      Stuber, Sophia K.; Saito, Toshiki; Schinnerer, Eva; Emsellem, Eric; Querejeta, Miguel; Williams, Thomas G.; Barnes, Ashley T.; Bigiel, Frank; Blanc, Guillermo; Dale, Daniel A.; Grasha, Kathryn; Klessen, Ralf; Kruijssen, J. M. Diederik; Leroy, Adam K.; Meidt, Sharon; Pan, Hsi-An; Rosolowsky, Erik; Schruba, Andreas; Sun, Jiayi; Usero, Antonio (EDP Sciences, 2021)
      Central molecular outflows in spiral galaxies are assumed to modulate their host galaxy's star formation rate (SFR) by removing gas from the inner region of the galaxy. Outflows consisting of different gas phases appear ...
    • Links 13 of 18 NGTS clusters survey - III. A low-mass eclipsing binary in the Blanco 1 open cluster spanning ... 
      Smith, Gareth D.; Gillen, Edward; Queloz, Didier; Hillenbrand, Lynne A.; Acton, Jack S.; Alves Rodrigues, Douglas; Anderson, David R.; Bayliss, Daniel; Briegal, Joshua T.; Burleigh, Matthew R.; Casewell, Sarah L.; Delrez, Laetitia; Dransfield, Georgina; Ducrot, Elsa; Gill, Samuel; Gillon, Michael; Goad, Michael R.; Gunther, Maximilian N.; Henderson, Beth A.; Jenkins, James S.; Jehin, Emmanuel; Moyano, Maximiliano; Murray, Catriona A.; Pedersen, Peter P.; Sebastian, Daniel; Thompson, Samantha; Tilbrook, Rosanna H.; Triaud, Amaury H. M. J.; Vinés López, José; Wheatley, Peter J. (Oxford, 2021)
      We present the discovery and characterization of an eclipsing binary identified by the Next Generation Transit Survey in the similar to 115-Myr-old Blanco 1 open cluster. NGTS J0002-29 comprises three M dwarfs: a short-period ...
    • The X-rays wind connection in PG 2112+059 
      Sáez, C.; Brandt, W. N.; Bauer, F. E.; Chartas, G.; Misawa, T.; Hamann, F.; Gallagher, S. C. (Oxford, 2021)
      We study the connection between the X-ray and ultraviolet (UV) properties of the broad absorption line (BAL) wind in the highly X-ray variable quasar PG 2112+059 by comparing Chandra-ACIS data with contemporaneous UV ...
    • Altered electrochemical properties of iron oxide nanoparticles by carbon enhance molecular biocompatibility ... 
      Verma, S. K.; Thirumurugan, A.; Panda, P. K.; Patel, P.; Nandi, A.; Jha, E.; Prabakaran, K.; Udayabhaskar, R.; Mangalaraja, R. V.; Mishra, Y. K.; Akbari Fakhrabadi, A.; Morel, M. J.; Suar, M.; Ahuja, R. (Elsevier, 2021)
      Recent advancement in nanotechnology seeks exploration of new techniques for improvement in the molecular, chemical, and biological properties of nanoparticles. In this study, carbon modification of octahedral-shaped ...
    • Potential and sky coverage for off-axis fringe tracking in optical long baseline interferometry 
      Boskri, Abdelkarim; Petrov, Romain G.; El Halkouj, Thami; Hadjara, Macinissa; Leftley, James; Benkhaldoun, Zouhair; Cruzalebes, Pierre; Ziad, Aziz; Carbillet, Marcel (Oxford, 2021)
      The spectacular results provided by the second-generationVLTI instruments GRAVITY and MATISSE on active galactic nuclei (AGN) trigger and justify a strong increase in the sensitivity limit of optical interferometers. A key ...
    • H-2 molecular gas absorption-selected systems trace CO molecular gas-rich galaxy overdensities 
      Klitsch, Anne; Peroux, Celine; Zwaan, Martin A.; De Cia, Annalisa; Ledoux, Cedric; López Morales, Sebastián Víctor Claudio (Oxford, 2021)
      Absorption-selected galaxies offer an effective way to study low-mass galaxies at high redshift. However, the physical properties of the underlying galaxy population remain uncertain. In particular, the multiphase ...
    • A multiwavelength analysis of the spiral arms in the protoplanetary disk around WaOph 6 
      Brown Sevilla, S. B.; Keppler, M.; Barraza Alfaro, M.; Fuksman, J. D. Melon; Kurtovic, N.; Pinilla, P.; Feldt, M.; Brandner, W.; Ginski, C.; Henning, Th; Klahr, H.; Asensio Torres, R.; Cantalloube, F.; Garufi, A.; van Holstein, R. G.; Langlois, M.; Menard, F.; Rickman, E.; Benisty, Myriam; Chauvin, Gael; Zurlo, A.; Weber, P.; Pavlov, A.; Ramos, J.; Rochat, S.; Roelfsema, R. (EDP Sciences, 2021)
      Context. In recent years, protoplanetary disks with spiral structures have been detected in scattered light, millimeter continuum, and CO gas emission. The mechanisms causing these structures are still under debate. A ...
    • Validation of 4D flow based relative pressure maps in aortic flows 
      Nolte, David Julian; Urbina, Jesus; Sotelo, Julio; Sok, Leo; Montalba, Cristian; Valverde, Israel; Osses, Axel; Uribe, Sergio; Bertoglio Beltrán, Cristóbal Andrés (Elsevier, 2021)
      While the clinical gold standard for pressure difference measurements is invasive catheterization, 4D Flow MRI is a promising tool for enabling a non-invasive quantification, by linking highly spatially resolved ve- locity ...
    • Self-adjointness of two-dimensional Dirac operators on corner domains 
      Pizzichillo, Fabio; Van Den Bosch, Hanne (European Matjermatical, 2021)
      We investigate the self-adjointness of the two-dimensional Dirac operator D, with quantum-dot and Lorentz-scalar delta-shell boundary conditions, on piecewise C-2 domains (with finitely many corners). For both models, we ...
    • A global observational analysis to understand changes in air quality during exceptionally low anthropogenic ... 
      Sokhi, Ranjeet S.; Singh, Vikas; Querol, Xavier; Finardi, Sandro; Targino, Admir Creso; Andrade, María de Fátima; Pavlovic, Radenko; Garland, Rebecca M.; Massague, Jordi; Kong, Shaofei; Baklanov, Alexander; Ren, Lu; Tarasova, Oksana; Carmichael, Greg; Peuch, Vincent-Henri; Anand, Vrinda; Arbilla, Graciela; Badali, Kaitlin; Beig, Gufran; Belalcazar, Luis; Bolignano, Andrea; Brimblecombe, Peter; Camacho, Patricia; Casallas, Alejandro; Charland, Jean-Pierre; Choi, Jason; Chourdakis, Eleftherios; Coll, Isabelle; Collins, Marty; Cyrys, Josef; da Silva, Cleyton Martins; Di Giosa, Alessandro Domenico; Di Leo, Anna; Ferro, Camilo; Gavidia Calderón, Mario; Gayen, Amiya; Ginzburg, Alexander; Godefroy, Fabrice; González, Yuri Alexandra; Guevara Luna, Marco; Haque, Sk Mafizul; Havenga, Henno; Herod, Dennis; Horrak, Urmas; Hussein, Tareq; Ibarra, Sergio; Jaimes, Mónica; Kaasik, Marko; Khaiwal, Ravindra; Kim, Jhoon; Kousa, Anu; Kukkonen, Jaakko; Kulmala, Markku; Kuula, Joel; La Violette, Nathalie; Lanzani, Guido; Liu, Xi; MacDougall, Stephanie; Manseau, Patrick M.; Marchegiani, Giada; McDonald, Brian; Mishra, Swasti Vardhan; Molina, Luisa T.; Mooibroek, Dennis; Mor, Suman; Moussiopoulos, Nicolás; Murena, Fabio; Niemi, Jarkko; Noe, Steffen; Nogueira, Thiago; Norman, Michael; Pérez Camano, Juan Luis; Petaja, Tuukka; Piketh, Stuart; Rathod, Aditi; Reid, Ken; Retama, Armando; Rivera, Olivia; Rojas, Néstor Y.; Rojas Quincho, Jhojan P.; San José, Roberto; Sánchez, Odon; Seguel, Rodrigo J.; Sillanpaa, Salla; Su, Yushan; Tapper, Nigel; Terrazas, Antonio; Timonen, Hilkka; Toscano, Doménico; Tsegas, George; Velders, Guus J. M.; Vlachokostas, Christos; von Schneidemesser, Erika; Rajasree, V. P. M.; Yadav, Ravi; Zalakeviciute, Rasa; Zavala, Miguel (Elsevier, 2021)
      This global study, which has been coordinated by the World Meteorological Organization Global Atmospheric Watch (WMO/GAW) programme, aims to understand the behaviour of key air pollutant species during the COVID-19 pandemic ...
    • Lessons learned from SPHERE for the astrometric strategy of the next generation of exoplanet imaging instruments 
      Maire, Anne-Lise; Langlois, Maud; Delorme, Philippe; Chauvin, Gael; Gratton, Raffaele; Vigan, Arthur; Girard, Julien H.; Wahhaj, Zahed; Pott, Jorg-Uwe; Burtscher, Leonard; Boccaletti, Anthony; Carlotti, Alexis; Henning, Thomas; Kenworthy, Matthew A.; Kervella, Pierre; Rickman, Emily L.; Schmidt, Tobias O. B. (Spie-Soc Photo-Optical Instrumentation Engineers, 2021)
      Measuring the orbits of directly imaged exoplanets requires precise astrometry at the milliarcsec level over long periods of time due to their wide separation to the stars (greater than or similar to 10 au) and long orbital ...
    • Convergent filaments contracting towards an intermediate-mass pre-stellar core 
      Ren, Zhiyuan; Zhu, Lei; Shi, Hui; Yue, Nannan; Li, Di; Zhang, Qizhou; Mardones Pérez, Diego; Wu, Jingwen; Jiao, Sihan; Liu, Shu; Luo, Gan; Xie, Jinjin; Zhang, Chao; Xu, Xuefang (Oxford, 2021)
      Filamentary structures are closely associated with star-forming cores, but their detailed physical connections are still not clear. We studied the dense gas in OMC-3 MMS-7 region in the Orion A molecular cloud using the ...
    • The effect of phased recurrent units in the classification of multiple catalogues of astronomical light curves 
      Donoso Oliva, C.; Cabrera Vives, G.; Protopapas, P.; Carrasco, Davis; Estévez, P. A. (Oxford, 2021)
      In the new era of very large telescopes, where data is crucial to expand scientific knowledge, we have witnessed many deep learning applications for the automatic classification of lightcurves. Recurrent neural networks ...
    • Controls on post-seismic landslide behavior in brittle rocks 
      Brain, Matthew J.; Moya Fuentes, Pablo Sebastian; Kincey, Mark E.; Tunstall, Neil; Petley, David N.; Sepúlveda Valenzuela, Sergio Andrés (AMER Geophysical Union, 2021)
      Earthquakes trigger widespread landsliding in tectonically active landscapes. The effects of strong ground shaking on hillslope stability persist into the post-seismic stage; rates of landsliding remain elevated in the ...
    • Does jackknife scale really matter for accurate large-scale structure covariances? 
      Favole, Ginevra; Granett, Benjamin R.; Silva Lafaurie, Javier Ignacio; Sapone, Domenico (Oxford, 2021)
      The jackknife method gives an internal covariance estimate for large-scale structure surveys and allows model-independent errors on cosmological parameters. Using the SDSS-III BOSS CMASS sample, we study how the jackknife ...
    • Normal, dust-obscured galaxies in the epoch of reionization 
      Fudamoto, Y.; Oesch, P. A.; Schouws, S.; Stefanon, M.; Smit, R.; Bouwens, R. J.; Bowler, R. A. A.; Endsley, R.; González, V.; Inami, H.; Labbe, I.; Stark, D.; Aravena, M.; Barrufet, L.; da Cunha, E.; Dayal, P.; Ferrara, A.; Graziani, L.; Hodge, J.; Hutter, A.; Li, Y.; De Looze, I.; Nanayakkara, T.; Pallottini, A.; Riechers, D.; Schneider, R.; Ucci, G.; van der Werf, P.; White, C. (Nature, 2021)
      Two serendipitously detected dust-obscured galaxies are reported at z = 6.7 and 7.4, with estimates that such galaxies provide an additional 10-25% contribution to the total star formation rate density at z > 6. Over ...
    • Phononic bandgap optimization in sandwich panels using cellular truss cores 
      Quinteros, Leonel; Meruane Naranjo, Viviana Isabel; Lenz Cardoso, Eduardo; Ruiz García, Rafael Omar (MDPI, 2021)
      The development of custom cellular materials has been driven by recent advances in additive manufacturing and structural topological optimization. These contemporary materials with complex topologies have better structural ...
    • Localised labyrinthine patterns in ecosystems 
      Clerc Gavilán, Marcel Gabriel; Echeverría Alar, S.; Tlidi, M. (Nature Research, 2021)
      Self-organisation is a ubiquitous phenomenon in ecosystems. These systems can experience transitions from a uniform cover towards the formation of vegetation patterns as a result of symmetry-breaking instability. They can ...
    • Modulation of the bifunctional CrVI to crIII photoreduction and adsorption capacity in ZrIV and TiIV benchmark ... 
      Saiz, Paula G.; Valverde, Ainara; González Navarrete, Bárbara Daniela; Rosales Vera, Maibelin Carolina; Quintero Giraldo, Yurieth Marcela; Fidalgo Marijuan, , Arkaitz; Orive Gómez de Segura, Joseba; Reizabal, Ander; Larrea, Edurne S.; Arriortua, María Isabel; Lanceros Méndez, Senentxu; García González, Andreina Evelin; Fernández de Luis, Roberto (MDPI, 2021)
      The presence of hexavalent chromium water pollution is a growing global concern. Among the currently applied technologies to remove Cr-VI, its adsorption and photocatalytic reduction to Cr-III less mobile and toxic forms ...
    • Mid-Cenozoic SHRIMP U-Pb detrital zircon ages from metasedimentary rocks in the north Patagonian Andes of ... 
      Quezada, Paulo; Herve Allamand, Francisco Enrique; Calderón, Mauricio; Fanning, Mark; Pankhurst, Robert; Godoy, Estanislao; Urbina, Octavio; Suárez, Rodrigo (Servicio Nacional de Geología y Minería, Chile, 2021)
      Previously undated low-grade metamorphic rocks from the Puerto Cisnes-Queulat area (44 degrees 30' S) contain detrital zircons of mid-Oligocene age (ca. 28 Ma). Their outcrops represent the easternmost occurrence of the ...