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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:scopusA 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:scopusHigh resolution observation of Ark 564: I. Time-average spectrum
Conference ObjectAbstract: We present an analysis of a 100 ks X-ray spectrum of the Narrow-Line Seyfert 1 Galaxy Ark 564, whichPalabras claves:Absorption lines, Seyfert 1 Galaxy, X-ray telescopeAutores:J. M. Ramirez, Komossa S.Fuentes:scopusPhysical and kinematical properties of the X-ray absorber in the broad absorption line quasar APM 08279+5255
ArticleAbstract: Context. We have re-analyzed the X-ray spectra of the gravitational lensed high-redshift BAL QSO APMPalabras claves:Galaxies: active, Quasars: absorption lines, Quasars: individual: APM 08279+5255, X-rays: galaxiesAutores:J. M. RamirezFuentes:scopusLine asymmetry in the Seyfert galaxy NGC 3783
ReviewAbstract: We have reanalyzed the 900 ks Chandra X-ray spectrum of NGC 3783, finding evidence on the asymmetryPalabras claves:Galaxies: active, Galaxies: individual (NGC 3783), Galaxies: Seyfert, X-rays: galaxiesAutores:Bautista M.A., J. M. Ramirez, Kallman T.R.Fuentes:scopusX-ray outflows of active galactic nuclei warm absorbers: A 900 ks Chandra simulated spectrum
Conference ObjectAbstract: We report on the performance of the statistical X-ray absorption lines identification procedure XLINPalabras claves:Autores:García J., J. M. RamirezFuentes:scopusStatistical methods for the detection of flows in active galactic nuclei using x-ray spectral lines
ArticleAbstract: Using robust statistical methods, we are able to detect and identify absorption lines in the X-ray sPalabras claves:Autores:J. M. Ramirez, Pérez L.F.Fuentes:scopus