Are HESS J1849-000 and HESS J1626-490 Powered by Pulsars?

Details Are HESS J1849-000 and HESS J1626-490 Powered by Pulsars? Are HESS J1849-000 and HESS J1626-490 Powered by Pulsars?

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009xmm..prop...75t&link_type=abstract

XMM-Newton Proposal ID #06519301

Computer Science

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, Igr J18490-0000

Scientific paper

Detecting the pulsars that power Galactic TeV sources is the key to understanding the origin of those that remain unidentified. We have two excellent new X-ray candidates to search for pulsations, from XMM observations of the Integral source IGR J18490-0000 coincident with the compact TeV source HESS J1849-000, and XMMU J162703.03-491232.7 found within the TeV extent of HESS J1626-490. Both are bright, non-thermal point sources with a faint nebula. All characteristics of these objects resemble those of young, energetic pulsars. Finding the expected pulsations will allow us to determine their energetics, critical for understanding the luminosity and size of their TeV nebulae.

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