A search for fast periodicity in the enigmatic X-ray source inside RCW103.

Details A search for fast periodicity in the enigmatic X-ray source inside RCW103. A search for fast periodicity in the enigmatic X-ray source inside RCW103.

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006cxo..prop.2171d&link_type=abstract

Chandra Proposal ID #08500515

Computer Science

Chandra Proposal Id #08500515

Scientific paper

1E161348-5055 is a compact, radio-quiet X-ray source lying at the center of the 2000-year old supernova remnant RCW103. Its original identification as an isolated neutron star was questioned in recent years by the detection of long-term flux variations. A very recent, long XMM-Newton observation performed in August 2005 by our group led to the unambiguous evidence of a 6.67 hours periodicity, settling the case for a unique phenomenology. 1E161348-5055 cannot be easily identified with any currently known class of X-ray sources. Here we ask for an 80 ks observation with Chandra/HRC-S in Timing mode. The unique combination of angular and time resolution will allow to perform the first sensitive search for fast (P<20 ms) pulsations from the source, a search only possible with Chandra.

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