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Chandra LETGS observation of the variable NLS1 galaxy Ark 564
ArticleAbstract: We present an analysis of the 100 ks X-ray spectrum of the narrow-line Seyfert 1 Galaxy Ark 564, takPalabras claves:Galaxies: Seyfert, Line: identification, Quasars: absorption linesAutores:J. M. RamirezFuentes:scopusChandra LETGS spectroscopy of ionized absorbers: The quasar mr 2251-178
Conference ObjectAbstract: We analyze the Chandra Low Energy Transmission Grating Spectrometer (LETGS) observation of the quasaPalabras claves:Absorption lines -x-rays, Galaxies, QuasarsAutores:Burwitz V., J. M. Ramirez, Komossa S., Mathur S.Fuentes:scopusChandra LETGS spectroscopy of the quasar MR 2251-178 and its warm absorber
ArticleAbstract: We present an analysis of our Chandra Low Energy Transmission Grating Spectrometer (LETGS) observatiPalabras claves:Galaxies: active, Quasars: individual (MR 2251-178), X-rays: galaxiesAutores:Burwitz V., J. M. Ramirez, Komossa S., Mathur S.Fuentes:scopusAstrophysical fluids of novae: High resolution pre-decay X-Ray spectrum of V4743 sagittarii
Conference ObjectAbstract: Eight X-ray observations of V4743 Sgr (2002), observed with Chandra and XMM-Newton, are presented, cPalabras claves:Autores:J. M. RamirezFuentes:scopusBlack hole shadow of a rotating polytropic black hole by the Newman–Janis algorithm without complexification
ArticleAbstract: In this work, starting from a spherically symmetric polytropic black hole, a rotating solution is obPalabras claves:Autores:Bargueño P., Ernesto Contreras, J. M. Ramirez, Panotopoulos G., Rincón Á.Fuentes:scopusA modified SEIR model to pbkp_redict the behavior of the early stage in coronavirus and coronavirus-like outbreaks
ArticleAbstract: COVID-19 is a highly infectious disease that emerged in China at the end of 2019. The COVID-19 pandePalabras claves:Autores:Dany De Cecchis, FCNM ESPOL, Henry Pacheco, J. M. Ramirez, Juan Primera, Juan Ramón Primera Ferrer, Rodríguez-Román E., Wilfredo AnguloFuentes:googlescopusA new comprehensive 2D model of the point spread functions of the XMM-Newton EPIC telescopes: Spurious source suppression and improved positional accuracy
ArticleAbstract: Aims. We describe here a new full 2D parameterization of the PSFs of the three XMM-Newton EPIC telesPalabras claves:instrumentation: miscellaneous, telescopes, X-rays: generalAutores:J. M. Ramirez, Read A.M., Rosen S.R., Saxton R.D.Fuentes:scopusConsistent SPH Simulations of Protostellar Collapse and Fragmentation
ArticleAbstract: We study the consistency and convergence of smoothed particle hydrodynamics (SPH) as a function of tPalabras claves:binaries: general, hydrodynamics, methods: numerical, stars: formationAutores:Cruz F., Gabbasov R., J. M. Ramirez, Klapp J., Sigalotti L.D.G.Fuentes:scopusApplication of computational approach in plastic pyrolysis kinetic modelling: a review
ReviewAbstract: During the past decade, pyrolysis routes have been identified as one of the most promising solutionsPalabras claves:kinetics, Machine learning, Plastic pyrolysis, quantum mechanics, Reaction pathwaysAutores:Gil S.A.A., J. M. Ramirez, Launay F., Muñoz M., Nyakuma B.B., Rams J., Wong S., Wuebben D.Fuentes:scopusFrom Large-scale to Protostellar Disk Fragmentation into Close Binary Stars
ArticleAbstract: Recent observations of young stellar systems with the Atacama Large Millimeter/submillimeter Array (Palabras claves:circumstellar matter, methods: numerical, planets and satellites: formation, protoplanetary disks, stars: formation, stars: pre-main sequenceAutores:Cruz F., Gabbasov R., J. M. Ramirez, Klapp J., Sigalotti L.D.G.Fuentes:scopus