XMM-Newton detection of the supernova remnant G304.6+0.1 (Kes 17)

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Aims: We report the first detailed X-ray study of the supernova remnant (SNR) G304.6+0.1, achieved with the XMM-Newton mission. Methods: The powerful imaging capability of XMM-Newton was used to study the X-ray characteristics of the remnant at different energy ranges. The X-ray morphology and spect...

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Detalles Bibliográficos
Autores principales: Combi, Jorge Ariel, Albacete Colombo, Juan Facundo, Sánchez Ayaso, E., Romero, Gustavo Esteban, Martí, J., Luque Escamilla, P. L., Muñoz Arjonilla, A. J., Sánchez Sutil, J. R., López Santiago, J.
Formato: Articulo
Lenguaje:Inglés
Publicado: 2010
Materias:
Ciencias Astronómicas
ISM: individual objects: G304.6+0.1
ISM: supernova remnants
radiation mechanisms: thermal
X-rays: ISM
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/82532
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-82532
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Astronómicas
ISM: individual objects: G304.6+0.1
ISM: supernova remnants
radiation mechanisms: thermal
X-rays: ISM
spellingShingle Ciencias Astronómicas
ISM: individual objects: G304.6+0.1
ISM: supernova remnants
radiation mechanisms: thermal
X-rays: ISM
Combi, Jorge Ariel
Albacete Colombo, Juan Facundo
Sánchez Ayaso, E.
Romero, Gustavo Esteban
Martí, J.
Luque Escamilla, P. L.
Muñoz Arjonilla, A. J.
Sánchez Sutil, J. R.
López Santiago, J.
XMM-Newton detection of the supernova remnant G304.6+0.1 (Kes 17)
topic_facet Ciencias Astronómicas
ISM: individual objects: G304.6+0.1
ISM: supernova remnants
radiation mechanisms: thermal
X-rays: ISM
description Aims: We report the first detailed X-ray study of the supernova remnant (SNR) G304.6+0.1, achieved with the XMM-Newton mission. Methods: The powerful imaging capability of XMM-Newton was used to study the X-ray characteristics of the remnant at different energy ranges. The X-ray morphology and spectral properties were analyzed. In addittion, radio and mid-infrared data obtained with the Molonglo Observatory Synthesis Telescope and the Spitzer Space Telescope were used to study the association with the detected X-ray emission and to understand the structure of the SNR at differents wavelengths. Results: The SNR shows an extended and arc-like internal structure in the X-ray band without a compact point-like source inside the remnant. We find a high column density of NH in the range 2.5-3.5 × 1022 cm -2, which supports a relatively distant location (d ≥ 9.7 kpc). The X-ray spectrum exhibits at least three emission lines, indicating that the X-ray emission has a thin thermal plasma origin, although a non-thermal contribution cannot be discarded. The spectra of three different regions (north, center and south) are well represented by a combination of a non-equilibrium ionization (PSHOCK) and a power-law (PL) model. The mid-infrared observations show a bright filamentary structure along the north-south direction coincident with the NW radio shell. This suggests that Kes 17 is propagating in a non-uniform environment with high density and that the shock front is interacting with several adjacent massive molecular clouds. The good correspondence of radio and mid-infrared emissions suggests that the filamentary features are caused by shock compression. The X-ray characteristics and well-known radio parameters indicate that G304.6+0.1 is a middle-aged SNR (2.8-6.4) × 104 yr old and a new member of the recently proposed group of mixed-morphology SNRs.
format Articulo
Articulo
author Combi, Jorge Ariel
Albacete Colombo, Juan Facundo
Sánchez Ayaso, E.
Romero, Gustavo Esteban
Martí, J.
Luque Escamilla, P. L.
Muñoz Arjonilla, A. J.
Sánchez Sutil, J. R.
López Santiago, J.
author_facet Combi, Jorge Ariel
Albacete Colombo, Juan Facundo
Sánchez Ayaso, E.
Romero, Gustavo Esteban
Martí, J.
Luque Escamilla, P. L.
Muñoz Arjonilla, A. J.
Sánchez Sutil, J. R.
López Santiago, J.
author_sort Combi, Jorge Ariel
title XMM-Newton detection of the supernova remnant G304.6+0.1 (Kes 17)
title_short XMM-Newton detection of the supernova remnant G304.6+0.1 (Kes 17)
title_full XMM-Newton detection of the supernova remnant G304.6+0.1 (Kes 17)
title_fullStr XMM-Newton detection of the supernova remnant G304.6+0.1 (Kes 17)
title_full_unstemmed XMM-Newton detection of the supernova remnant G304.6+0.1 (Kes 17)
title_sort xmm-newton detection of the supernova remnant g304.6+0.1 (kes 17)
publishDate 2010
url http://sedici.unlp.edu.ar/handle/10915/82532
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