Other
Scientific paper
Oct 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atnf.prop.2750m&link_type=abstract
ATNF proposal C2193, Semester: October, 2009
Other
Atca
Scientific paper
Observations have provided us with unprecedented insight into the coupled processes of disks and jets around accreting neutron stars (NSs) and black holes (BHs) in binary systems. The mechanism(s) of jet production, however, remains essentially unconstrained. The jet is formed very close the compact object, where the radiative emission is released mostly in the X-ray band, so it is crucial to coordinate radio (the band where the jet dominates over the other components of such systems) and X-ray studies. In the accretion state where the jet is active, we observe a non-thermal hard X-ray power-law (above 20 keV) whose origin is still an area of controversy: Comptonizing `corona' or base of the jet itself. In order to investigate the role of the boundary layers on the specific mechanism(s) for the jet production, and specifically to answer the question: "can the emission from the base of the jet alone be responsible for the hard X-ray emission we observe?", we ask for a 12 hr observation at 5.5GHz and 9~GHz, simultaneously with already approved 100 ks Suzaku (0.4-600 keV) and near-IR/Optical telescopes observations.
Kinugasa Kenzo
Migliari Simone
Tzioumis Anastasios
Uemura Makoto
Yamaoka Kazutaka
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