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dc.contributor.author
Torres, Diego F.
dc.contributor.author
Li, Hui
dc.contributor.author
Chen, Yang
dc.contributor.author
Cillis, Analia Nilda
dc.contributor.author
Caliandro, Andrea G.
dc.contributor.author
Rodríguez Marrero, Ana Y.
dc.date.available
2017-07-10T18:20:28Z
dc.date.issued
2011-11-02
dc.identifier.citation
Torres, Diego F.; Li, Hui; Chen, Yang; Cillis, Analia Nilda; Caliandro, Andrea G.; et al.; Cosmic rays in the surroundings of SNR G35.6-0.4; Oxford University Press; Monthly Notices of the Royal Astronomical Society; 417; 4; 2-11-2011; 3072-3079
dc.identifier.issn
0035-8711
dc.identifier.uri
http://hdl.handle.net/11336/20006
dc.description.abstract
HESS J1858+020 is a TeV gamma-ray source that was reported not to have any clear cataloged counterpart at any wavelength. However, it has been recently proposed that this source is indirectly associated with the radio source, re-identified as a supernova remnant (SNR), G35.6-0.4. The latter is found to be middle-aged ($sim 30$ kyr) and to have nearby molecular clouds (MCs). HESS J1858+020 was proposed to be the result of the interaction of protons accelerated in the SNR shell with target ions residing in the clouds. The Fermi Large Area Telescope (LAT) First Source Catalog does not list any source coincident with the position of HESS J1858+020, but some lie close. Here, we analyse more than 2 years of data obtained with the Fermi-LAT for the region of interest, and consider whether it is indeed possible that the closest LAT source, 1FGL J1857.1+0212c, is related to HESS J1858+020. We conclude it is not, and we impose upper limits on the GeV emission originating from HESS J1858+020. Using a simplified 3D model for the cosmic-ray propagation out from the shell of the SNR, we consider whether the interaction between SNR G35.6-0.4 and the MCs nearby could give rise to the TeV emission of HESS J1858+020 without producing a GeV counterpart. If so, the pair of SNR/TeV source with no GeV detection would be reminiscent of other similarly-aged SNRs, such as some of the TeV hotspots near W28, for which cosmic-ray diffusion may be used to explain their multi-frequency phenomenology. However, for HESS J1858+020, we found that although the phase space in principle allows for such GeV--TeV non-correlation to appear, usual and/or observationally constrained values of the parameters (e.g., diffusion coefficients and cloud-SNR likely distances) would disfavor it.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Oxford University Press
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Supernova Remnants
dc.subject.classification
Astronomía
dc.subject.classification
Ciencias Físicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Cosmic rays in the surroundings of SNR G35.6-0.4
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-07-10T13:26:02Z
dc.journal.volume
417
dc.journal.number
4
dc.journal.pagination
3072-3079
dc.journal.pais
Reino Unido
dc.journal.ciudad
Londres
dc.description.fil
Fil: Torres, Diego F.. Institució Catalana de Recerca I Estudis Avançats; España
dc.description.fil
Fil: Li, Hui. Nanjing University; China
dc.description.fil
Fil: Chen, Yang. Key Laboratory Of Modern Astronomy And Astrophysics; China. Nanjing University; China
dc.description.fil
Fil: Cillis, Analia Nilda. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina
dc.description.fil
Fil: Caliandro, Andrea G.. Institució Catalana de Recerca i Estudis Avancats; España
dc.description.fil
Fil: Rodríguez Marrero, Ana Y.. Instituto de Física de Cantabria; España
dc.journal.title
Monthly Notices of the Royal Astronomical Society
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article/417/4/3072/1101823/Cosmic-rays-in-the-surroundings-of-SNR-G35-6-0-4
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/j.1365-2966.2011.19465.x
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1107.3470


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