Mathematics – Logic
Scientific paper
Sep 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cxo..prop.2568r&link_type=abstract
Chandra proposal ID #10400393
Mathematics
Logic
Scientific paper
We propose for a 68ks ACIS-S observation aimed at determining the nature of the unique system GRB 070610/Swift J195509.6+261406. This very peculiar system, discovered as a long gamma-ray burst (GRB 070610), is most likely a low mass X-ray binary (LMXB) hosting either a neutron star (NS) or a black hole (BH). This is the only LMXB associated with a typical long-duration GRB. The discovery of this source challenges the current picture of long GRBs being all due to cosmological objects. Very deep X-ray observations of this system in its quiescent state are needed in order to disentangle the nature of the system, in particular of its compact object, and then study the expected rate of GRBs with LMXB origin.
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