Feature-tailored spectroscopic analysis of the supernova remnant Puppis A in X-rays

We introduce a distinct method for performing spatially resolved spectral analysis of astronomical sources with highly structured X-ray emission. The method measures the surface brightness of neighboring pixels to adaptively size and shape each region, thus the spectra from the bright and faint fila...

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Detalles Bibliográficos
Autores principales: Luna, G.J.M., Smith, M.J.S., Dubner, G., Giacani, E., Castelletti, G.
Formato: JOUR
Materias:
ISM: individual objects: Puppis A
ISM: supernova remnants
X-rays: ISM
Magnesium
Neon
Spectroscopic analysis
Spectrum analysis
Supernovae
Astronomical sources
Elemental abundance
Filamentary structures
ISM: individual objects
Spatially resolved spectroscopy
X rays: ISM
X-ray emitting plasmas
Atmospheric optics
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00046361_v590_n_p_Luna
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_00046361_v590_n_p_Luna
record_format dspace
spelling todo:paper_00046361_v590_n_p_Luna2023-10-03T14:00:58Z Feature-tailored spectroscopic analysis of the supernova remnant Puppis A in X-rays Luna, G.J.M. Smith, M.J.S. Dubner, G. Giacani, E. Castelletti, G. ISM: individual objects: Puppis A ISM: supernova remnants X-rays: ISM Magnesium Neon Spectroscopic analysis Spectrum analysis Supernovae Astronomical sources Elemental abundance Filamentary structures ISM: individual objects ISM: supernova remnants Spatially resolved spectroscopy X rays: ISM X-ray emitting plasmas Atmospheric optics We introduce a distinct method for performing spatially resolved spectral analysis of astronomical sources with highly structured X-ray emission. The method measures the surface brightness of neighboring pixels to adaptively size and shape each region, thus the spectra from the bright and faint filamentary structures evident in the broadband images can be extracted. As a test case, we present the spectral analysis of the complete X-ray emitting plasma in the supernova remnant Puppis A observed with XMM-Newton and Chandra. Given the angular size of Puppis A, many pointings with different observational configurations have to be combined, presenting a challenge to any method of spatially resolved spectroscopy. From the fit of a plane-parallel shocked plasma model we find that temperature, absorption column, ionization time scale, emission measure, and elemental abundances of O, Ne, Mg, Si, S, and Fe, are smoothly distributed in the remnant. Some regions with overabundances of O, Ne, and Mg previously characterized as ejecta material, were automatically selected by our method, proving the excellent response of the technique. This method is an advantageous tool for the exploitation of archival X-ray data. © ESO 2016. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00046361_v590_n_p_Luna
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic ISM: individual objects: Puppis A
ISM: supernova remnants
X-rays: ISM
Magnesium
Neon
Spectroscopic analysis
Spectrum analysis
Supernovae
Astronomical sources
Elemental abundance
Filamentary structures
ISM: individual objects
ISM: supernova remnants
Spatially resolved spectroscopy
X rays: ISM
X-ray emitting plasmas
Atmospheric optics
spellingShingle ISM: individual objects: Puppis A
ISM: supernova remnants
X-rays: ISM
Magnesium
Neon
Spectroscopic analysis
Spectrum analysis
Supernovae
Astronomical sources
Elemental abundance
Filamentary structures
ISM: individual objects
ISM: supernova remnants
Spatially resolved spectroscopy
X rays: ISM
X-ray emitting plasmas
Atmospheric optics
Luna, G.J.M.
Smith, M.J.S.
Dubner, G.
Giacani, E.
Castelletti, G.
Feature-tailored spectroscopic analysis of the supernova remnant Puppis A in X-rays
topic_facet ISM: individual objects: Puppis A
ISM: supernova remnants
X-rays: ISM
Magnesium
Neon
Spectroscopic analysis
Spectrum analysis
Supernovae
Astronomical sources
Elemental abundance
Filamentary structures
ISM: individual objects
ISM: supernova remnants
Spatially resolved spectroscopy
X rays: ISM
X-ray emitting plasmas
Atmospheric optics
description We introduce a distinct method for performing spatially resolved spectral analysis of astronomical sources with highly structured X-ray emission. The method measures the surface brightness of neighboring pixels to adaptively size and shape each region, thus the spectra from the bright and faint filamentary structures evident in the broadband images can be extracted. As a test case, we present the spectral analysis of the complete X-ray emitting plasma in the supernova remnant Puppis A observed with XMM-Newton and Chandra. Given the angular size of Puppis A, many pointings with different observational configurations have to be combined, presenting a challenge to any method of spatially resolved spectroscopy. From the fit of a plane-parallel shocked plasma model we find that temperature, absorption column, ionization time scale, emission measure, and elemental abundances of O, Ne, Mg, Si, S, and Fe, are smoothly distributed in the remnant. Some regions with overabundances of O, Ne, and Mg previously characterized as ejecta material, were automatically selected by our method, proving the excellent response of the technique. This method is an advantageous tool for the exploitation of archival X-ray data. © ESO 2016.
format JOUR
author Luna, G.J.M.
Smith, M.J.S.
Dubner, G.
Giacani, E.
Castelletti, G.
author_facet Luna, G.J.M.
Smith, M.J.S.
Dubner, G.
Giacani, E.
Castelletti, G.
author_sort Luna, G.J.M.
title Feature-tailored spectroscopic analysis of the supernova remnant Puppis A in X-rays
title_short Feature-tailored spectroscopic analysis of the supernova remnant Puppis A in X-rays
title_full Feature-tailored spectroscopic analysis of the supernova remnant Puppis A in X-rays
title_fullStr Feature-tailored spectroscopic analysis of the supernova remnant Puppis A in X-rays
title_full_unstemmed Feature-tailored spectroscopic analysis of the supernova remnant Puppis A in X-rays
title_sort feature-tailored spectroscopic analysis of the supernova remnant puppis a in x-rays
url http://hdl.handle.net/20.500.12110/paper_00046361_v590_n_p_Luna
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AT smithmjs featuretailoredspectroscopicanalysisofthesupernovaremnantpuppisainxrays
AT dubnerg featuretailoredspectroscopicanalysisofthesupernovaremnantpuppisainxrays
AT giacanie featuretailoredspectroscopicanalysisofthesupernovaremnantpuppisainxrays
AT castellettig featuretailoredspectroscopicanalysisofthesupernovaremnantpuppisainxrays
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