Listar por autor "Dafonte, Carlos"

Mostrando ítems 21-40 de 49

    • Gaia Data Release 3: Exploring and mapping the diffuse interstellar band at 862 nm 

      Schultheis, M.; Garabato, D.; Álvarez, M. A.; Dafonte, Carlos; Gómez, Ángel; Manteiga, Minia; González Santamaría, I.; Pallas-Quintela, Lara; Santoveña, Raúl; Silvelo, Arturo; Torralba Elipe, Guillermo (EDP Sciences, 2023-01)
      [Abstract]: Context. Diffuse interstellar bands (DIBs) are common interstellar absorption features in spectroscopic observations but their origins remain unclear. DIBs play an important role in the life cycle of the ...

    • Gaia Data Release 3: Stellar chromospheric activity and mass accretion from Ca II IRT observed by the Radial Velocity Spectrometer 

      Lanzafame, A. C.; Álvarez, M. A.; Dafonte, Carlos; Garabato, D.; Gómez, Ángel; González Santamaría, I.; Manteiga, Minia; Pallas-Quintela, Lara; Santoveña, Raúl; Silvelo, Arturo; Torralba Elipe, Guillermo (EDP Sciences, 2023-06)
      [Abstract]: Context. The Gaia Radial Velocity Spectrometer (RVS) provides the unique opportunity of a spectroscopic analysis of millions of stars at medium resolution (λ/I λ'a '11'500) in the near-infrared (845'872 nm). ...

    • Gaia Data Release 3: The extragalactic content 

      Bailer-Jones, C. A. L.; Garabato, D.; Álvarez, M. A.; Dafonte, Carlos; Gómez, Ángel; González Santamaría, I.; Manteiga, Minia; Pallas-Quintela, Lara; Santoveña, Raúl; Silvelo, Arturo; Torralba Elipe, Guillermo (EDP Sciences, 2023-06)
      [Abstract]: The Gaia Galactic survey mission is designed and optimized to obtain astrometry, photometry, and spectroscopy of nearly two billion stars in our Galaxy. Yet as an all-sky multi-epoch survey, Gaia also observes ...

    • Gaia Data Release 3: The Galaxy in your preferred colours: Synthetic photometry from Gaia low-resolution spectra 

      Montegriffo, P.; Garabato, D.; Manteiga, Minia; Santoveña, Raúl; Álvarez, M. A.; Dafonte, Carlos; Gómez, Ángel; González Santamaría, I.; Pallas-Quintela, Lara; Silvelo, Arturo; Torralba Elipe, Guillermo (EDP Sciences, 2023-06)
      [Abstract]: Gaia Data Release 3 provides novel flux-calibrated low-resolution spectrophotometry for '220 million sources in the wavelength range 330 nm ≤ λ ≤ 1050 nm (XP spectra). Synthetic photometry directly tied to a ...

    • Gaia DR2 Distances to Planetary Nebulae 

      González Santamaría, I.; Manteiga, Minia; Manchado, Arturo; Ulla, Ana; Dafonte, Carlos (MDPI AG, 2020-04-01)
      [Abstract] The aim of this work is to examine distances to planetary nebulae (PNe) together with other properties that were derived from them, using the astrometry of Gaia Data Release 2 (DR2). We were able to identify ...

    • Gaia Early Data Release 3: Acceleration of the Solar System from Gaia Astrometry 

      Manteiga, Minia; Álvarez, M. A.; Dafonte, Carlos; Garabato, D.; Gómez García, Ángel; González Santamaría, I.; Santoveña, Raúl (EDP Sciences, 2021)
      [Abstract] Context. Gaia Early Data Release 3 (Gaia EDR3) provides accurate astrometry for about 1.6 million compact (QSO-like) extragalactic sources, 1.2 million of which have the best-quality five-parameter astrometric ...

    • Gaia Early Data Release 3: Structure and Properties of the Magellanic Clouds 

      Manteiga, Minia; Álvarez, M. A.; Dafonte, Carlos; Garabato, D.; Gómez García, Ángel; González Santamaría, I.; Santoveña, Raúl (EDP Sciences, 2021)
      [Abstract] Context. This work is part of the Gaia Data Processing and Analysis Consortium papers published with the Gaia Early Data Release 3 (EDR3). It is one of the demonstration papers aiming to highlight the improvements ...

    • Gaia Early Data Release 3: Summary of the Contents and Survey Properties 

      Manteiga, Minia; Álvarez, M. A.; Dafonte, Carlos; Garabato, D.; Gómez García, Ángel; González Santamaría, I.; Santoveña, Raúl (EDP Sciences, 2021)
      [Abstract] Context. We present the early installment of the third Gaia data release, Gaia EDR3, consisting of astrometry and photometry for 1.8 billion sources brighter than magnitude 21, complemented with the list of ...

    • Gaia Early Data Release 3: The celestial reference frame (Gaia-CRF3) 

      Klioner, Sergei; Lindegren, Lennart; Mignard, François; Hernández, J.; Ramos-Lerate, M.; Bastian, U.; Biermann, M.; Bombrun, A.; Torres, A. de; Gerlach, E.; Geyer, R.; Hilger, T.; Hobbs, D.; Lammers, U. L.; McMillan, P. J.; Steidelmüller, H.; Teyssier, D.; Raiteri, C. M.; Bartolomé, S.; Bernet, M.; Castañeda, J.; Clotet, M.; Davidson, M.; Fabricius, C.; Garralda Torres, N.; González-Vidal, J. J.; Portell, J.; Rowell, N.; Torra, F.; Torra, J.; Brown, A. G. A.; Vallenari, A.; Prusti1, T.; de Bruijne, J. H. J.; Arenou, F.; Babusiaux, C.; Creevey, O. L.; Ducourant, C.; Evans, D. W.; Eyer, L.; Guerra, R.; Hutton, A.; Jordi, C.; Luri, X.; Panem, C.; Pourbaix, D.; Randich, S.; Sartoretti, P.; Soubiran, C.; Tanga, P.; Walton, N. A.; Bailer-Jones, C. A. L.; Drimmel, R.; Jansen, F.; Katz, D.; Lattanzi, M. G.; van Leeuwen, F.; Bakker, J.; Cacciari, C.; De Angeli, F.; Fouesneau, M.; Frémat, Y.; Galluccio, L.; Guerrier, A.; Heiter, U.; Masana, E.; Messineo, R.; Mowlavi, N.; Nicolas, C.; Nienartowicz, K.; Pailler, F.; Panuzzo, P.; Riclet, F.; Roux, W.; Seabroke, G. M.; Sordo, R.; Thévenin, F.; Gracia-Abril, G.; Altmann, M.; Andrae, R.; Audard, M.; Bellas-Velidis, I.; Benson, K.; Berthier, J.; Blomme, R.; Burgess, P. W.; Busonero, D.; Busso, G.; Cánovas, H.; Carry, B.; Cellino, A.; Cheek, N.; Clementini, G.; Damerdji, Y.; de Teodoro, P.; Núñez Campos, M.; Delchambre, L.; Dell’Oro, A.; Esquej, P.; Fernández-Hernández, J.; Fraile, E.; Garabato, D.; García-Lario, P.; Gosset, E.; Haigron, R.; Halbwachs, J.-L.; Hambly, N. C.; Harrison, D. L.; Hestroffer, D.; Hodgkin, S. T.; Holl, B.; Janßen, K.; Jevardat de Fombelle, G.; Jordan, S.; Krone-Martins, A.; Lanzafame, A. C.; Löffler, W.; Marchal, O.; Marrese, P. M.; Moitinho, A.; Muinonen, K.; Osborne, P.; Pancino, E.; Pauwels, T.; Recio-Blanco, A.; Reylé, C.; Riello, M.; Rimoldini, L.; Roegiers, T.; Rybizki, J.; Sarro, L. M.; Siopis, C.; Smith, M.; Sozzetti, A.; Utrilla, E.; van Leeuwen, M.; Abbas, U.; Ábrahám, P.; Abreu Aramburu, A.; Aerts, C.; Aguado, J. J.; Ajaj, M.; Aldea-Montero, F.; Altavilla, G.; Álvarez, M. A.; Alves, J.; Anderson, R. I.; Anglada Varela, E.; Antoja, T.; Baines, D.; Baker, Steven; Balaguer-Núñez, L.; Balbinot, E.; Balog, Z.; Barache, C.; Barbato, D.; Barros, M.; Barstow, M. A.; Bassilana, J.-L.; Bauchet, N.; Becciani, U.; Bellazzini, M.; Berihuete, A.; Bertone, S.; Bianchi, L.; Binnenfeld, A.; Blanco-Cuaresma, S.; Boch, T.; Bossini, D.; Bouquillon, S.; Bragaglia, A.; Bramante, L.; Breedt, E.; Bressan, A.; Brouillet, N.; Brugaletta, E.; Bucciarelli, B.; Burlacu, A.; Butkevich, A. G.; Buzzi, R.; Caffau, E.; Cancelliere, R.; Cantat-Gaudin, T.; Carballo, R.; Carlucci, T.; Carnerero, M. I.; Carrasco, J. M.; Casamiquela, L.; Castellani, M.; Castro-Ginard, A.; Chaoul, L.; Charlot, P.; Chemin, L.; Chiaramida, V.; Chiavassa, A.; Chornay, N.; Comoretto, G.; Contursi, G.; Cooper, W. J.; Cornez, T.; Cowell, S.; Crifo, F.; Cropper, M.; Crosta, M.; Crowley, C.; Dafonte, Carlos; Dapergolas, A.; David, P.; Laverny, P. de; De Luise, F.; De March, R.; De Ridder, J.; de Souza, R.; Peloso, E. F. del; Pozo, E. del; Delbo, M.; Delgado, A.; Delisle, J.-B.; Demouchy, C.; Dharmawardena, T. E.; Diakite, S.; Diener, C.; Distefano, E.; Dolding, C.; Enke, H.; Fabre, C.; Fabrizio, M.; Faigler, S.; Fedorets, G.; Fernique, P.; Fienga, A.; Figueras, F.; Fournier, Y.; Fouron, C.; Fragkoudi, F.; Gai, M.; García-Gutiérrez, A.; García-Reinaldos, M.; García-Torres, M.; Garofalo, A.; Gavel, A.; Gavras, P.; Giacobbe, P.; Gilmore, G.; Girona, S.; Giuffrida, G.; Gomel, R.; Gómez, Ángel; González-Núñez, J.; González Santamaría, I.; Granvik, M.; Guillout, P.; Guiraud, J.; Gutiérrez-Sánchez, R.; Guy, L. P.; Hatzidimitriou, D.; Hauser, M.; Haywood, M.; Helmer, A.; Helmi, A.; Sarmiento, M. H.; Hidalgo, S. L.; Hładczuk, N.; Holland, G.; Huckle, H. E.; Jardine, K.; Jasniewicz, G.; Jean-Antoine Piccolo, A.; Jiménez-Arranz, Ó.; Juaristi Campillo, J.; Julbe, F.; Karbevska, L.; Kervella, P.; Khanna, S.; Kordopatis, G.; Korn, A. J.; Kóspál, Á.; Kostrzewa-Rutkowska, Z.; Kruszynska, K.; Kun, M.; Laizeau, P.; Lambert, S.; Lanza, A. F.; Lasne, Y.; Le Campion, J.-F.; Lebreton, Y.; Lebzelter, T.; Leccia, S.; Leclerc, N.; Lecoeur-Taibi, I.; Liao, S.; Licata, E. L.; Lindstrøm, H. E. P.; Lister, T. A.; Livanou, E; Lobel, A.; Lorca, A.; Loup, C.; Madrero Pardo, P.; Magdaleno Romeo, A.; Managau, S.; Mann, R. G.; Manteiga, Minia; Marchant, J. M.; Marconi, M.; Marcos, J.; Marcos Santos, M. M. S.; Marín Pina, D.; Marinoni, S.; Marocco, F.; Marshall, D. J.; Martin Polo, L.; Martín-Fleitas, J. M.; Marton, G.; Mary, N.; Masip, A.; Massari, D.; Mastrobuono-Battisti, A.; Mazeh, T.; Messina, S.; Michalik, D.; Millar, N. R.; Mints, A.; Molina, D.; Molinaro, R.; Molnár, L.; Monari, G.; Monguió, M.; Montegriffo, P.; Montero, A.; Mor, R.; Mora, A.; Morbidelli, R.; Morel, T.; Morris, D.; Muraveva, T.; Murphy, C. P.; Musella, I.; Nagy, Z.; Noval, L.; Ocaña, F.; Ogden, A.; Ordenovic, C.; Osinde, J. O.; Pagani, C.; Pagano, I.; Palaversa, L.; Palicio, P. A.; Pallas-Quintela, Lara; Panahi, A.; Payne-Wardenaar, S.; Peñalosa Esteller, X.; Penttilä, A.; Pichon, B.; Piersimoni, A. M.; Pineau, F.-X.; Plachy, E.; Plum, G.; Poggio, E.; Prš, A.; Pulone, L.; Racero, E.; Ragaini, S.; Rainer, M.; Rambaux, N.; Ramos, P.; Re Fiorentin, P.; Regibo, S.; Richards, P. J.; Rios Diaz, C.; Ripepi, V.; Riva, A.; Rix, H.-W.; Rixon, G.; Robichon, N.; Robin, A. C.; Robin, C.; Roelens, M.; Rogues, H. R. O.; Rohrbasser, L.; Romero-Gómez, M.; Royer, F.; Ruz Mieres, D.; Rybicki, K. A.; Sadowski, G.; Sáez Núñez, A.; Sagristà Sellés, A.; Sahlmann, J.; Salguero, E.; Samaras, N.; Sánchez Giménez, V.; Sanna, N.; Santoveña, Raúl; Sarasso, M.; Schultheis, M.; Sciacca, E.; Segol, M.; Segovia, J. C.; Ségransan, D.; Semeux, D.; Shahaf, S.; Siddiqui, H. I.; Siebert, A.; Siltala, L.; Slezak, E.; Slezak, I.; Smart, R. L.; Snaith, O. N.; Solano, E.; Solitro, F.; Souami, D.; Souchay, J.; Spagna, A.; Spina, L.; Spoto, F.; Steele, I. A.; Stephenson, C. A.; Süveges, M.; Surdej, J.; Szabados, L.; Szegedi-Elek, E.; Taris, F.; Taylor, M. B.; Teixeira, R.; Tolomei, L.; Tonello, N.; Torralba Elipe, Guillermo; Silvelo, Arturo; Trabucchi, M.; Tsounis, A. T.; Turon, C.; Ulla, A.; Unger, N.; Vaillant, M. V.; van Dillen, E.; van Reeven, W.; Vanel, O.; Vecchiato, A.; Viala, Y.; Vicente, D.; Voutsinas, S.; Weiler, M.; Wevers, T.; Wyrzykowski, L.; Yoldas, A.; Yvard, P.; Zhao, H.; Zorec, J.; Zucker, S.; Zwitter, T. (EDP Sciences, 2022-11-23)
      [Abstract]: Context. Gaia-CRF3 is the celestial reference frame for positions and proper motions in the third release of data from the Gaia mission, Gaia DR3 (and for the early third release, Gaia EDR3, which contains ...

    • Gaia Early Data Release 3: The Gaia Catalogue of Nearby Stars 

      Manteiga, Minia; Álvarez, M. A.; Dafonte, Carlos; Garabato, D.; Gómez García, Ángel; González Santamaría, I.; Santoveña, Raúl (EDP Sciences, 2021)
      [Abstract] Aims. We produce a clean and well-characterised catalogue of objects within 100 pc of the Sun from the Gaia Early Data Release 3. We characterise the catalogue through comparisons to the full data release, ...

    • Gaia Early Data Release 3: The Galactic Anticentre 

      Manteiga, Minia; Álvarez, M. A.; Dafonte, Carlos; Garabato, D.; Gómez García, Ángel; González Santamaría, I.; Santoveña, Raúl (EDP Sciences, 2021)
      [Abstract] Aims. We aim to demonstrate the scientific potential of the Gaia Early Data Release 3 (EDR3) for the study of different aspects of the Milky Way structure and evolution and we provide, at the same time, a ...

    • GUASOM: An Adaptive Visualization Tool for Unsupervised Clustering in Spectrophotometric Astronomical Surveys 

      Álvarez, M. A.; Dafonte, Carlos; Manteiga, Minia; Garabato, D.; Santoveña, Raúl (Springer, 2022)
      [Abstract] We present an adaptive visualization tool for unsupervised classification of astronomical objects in a Big Data context such as the one found in the increasingly popular large spectrophotometric sky surveys. ...

    • Hardening of a Continuous Behavior-based Authentication Distributed System 

      González-Muñoz, Julián; Casado, Mario; Garabato, D; Nóvoa, Francisco; Dafonte, Carlos (Universidade da Coruña, Servizo de Publicacións, 2023)
      [Abstract] Password-based traditional authentication systems are increasingly insufficient when it comes to providing security and checking the identity of the authenticated user. What happens when the password of an ...

    • Low Cost Automated Security Audit System 

      Fernández-Arruti Gallego, Pedro; Estévez Pereira, Julio Jairo; Nóvoa, Francisco; Dafonte, Carlos; Fernández, Diego (MDPI, 2021)
      [Abstract] In recent years, a quick transition towards digitization has been observed in most organizations. Along with it, certain inherent problems have appeared, such as the increase in cyber threats. Large organizations ...

    • Mining of the Milky Way Star Archive Gaia-DR2: Searching for Binary Stars in Planetary Nebulae 

      González Santamaría, I.; Manteiga, Minia; Dafonte, Carlos; Manchado, Arturo; Ulla, Ana (MDPI AG, 2020-08-31)
      [Abstract] The aim of this work is to search for binary stars associated to planetary nebulae (ionized stellar envelopes in expansion), by mining the astronomical archive of Gaia DR2, that is composed by around 1.7 billion ...

    • Mouse Behavior Analysis Based on Artificial Intelligence as a Second-Phase Authentication System 

      Garabato, D.; Rodríguez García, Jorge; Nóvoa, Francisco; Dafonte, Carlos (MDPI AG, 2019-08-01)
      [Abstract] Nowadays, a wide variety of computer systems use authentication protocols based on several factors in order to enhance security. In this work, the viability of a second-phase authentication scheme based on users’ ...

    • Nuevas tecnologías de las telecomunicaciones en el ámbito de la informática biomédica 

      Dafonte, Carlos; Arcay Varela, Bernardino; Castro Martínez, Alfonso; Gómez García, Ángel; Rodríguez Fernández, Alejandra (Universidade da Coruña, 2001)

    • Open Source Monitoring System for IT Infrastructures Incorporating IoT-Based Sensors 

      Mosteiro Vázquez, Alejandro; Dafonte, Carlos; Gómez García, Ángel (MDPI AG, 2020-09-03)
      [Abstract] This paper introduces the development of a data center monitoring system based on IoT technologies. The system is meant to work as an administrative tool for system administrators in any environment, but mainly ...

    • Phosphorus-Rich Stars With Unusual Abundances Are Challenging Theoretical Predictions 

      Masseron, Thomas; García-Hernández, D. A.; Santoveña, Raúl; Manchado, Arturo; Zamora, Olga; Manteiga, Minia; Dafonte, Carlos (Nature Publishing Group, 2020-08-04)
      [Abstract] Almost all chemical elements have been made by nucleosynthetic reactions in various kind of stars and have been accumulated along our cosmic history. Among those elements, the origin of phosphorus is of extreme ...

    • Planetary Nebulae in Gaia EDR3: Central Star Identification, Properties, and Binarity 

      González Santamaría, I.; Manteiga, Minia; Manchado, Arturo; Ulla, Ana; Dafonte, Carlos; López-Varela, Pablo (EDP Science, 2021)
      [Abstract] Context. The Gaia Early Data Release 3 (EDR3), published in December 2020, features improved photometry and astrometry compared to that published in the previous DR2 file and includes a substantially larger ...