The temporal evolution of the puzzling central source in RCW103

Details The temporal evolution of the puzzling central source in RCW103 The temporal evolution of the puzzling central source in RCW103

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop..206d&link_type=abstract

XMM-Newton Proposal ID #06750201

Computer Science

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, 1E 161348-5055

Scientific paper

1E 161348-5055 is a compact, radio-quiet X-ray source lying at the center of the 2000-years-old supernova remnant RCW103, featuring a unique phenomenology: (i) the source has a dramatic (factor 100) long-term flux variability with outbursts possibly recurrent on the few year time scale; (ii) its emission is strongly modulated with a puzzling 6.67 hour periodicity; (iii) no counterpart in the optical/infrared has been found yet. In view of the source variability, XRT onboard Swift is currently performing a monthly monitoring campaign. Here we ask for a new 75 ks XMM triggered observation to be performed if a new outburst will be detected. We trust that studying the 6.67 hours periodicity in the ``high state'' regime will shed light on the nature of this puzzling source.

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