A Suzaku View of Cyclotron Line Sources and Candidates

Details A Suzaku View of Cyclotron Line Sources and Candidates A Suzaku View of Cyclotron Line Sources and Candidates

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011head...12.1315p&link_type=abstract

American Astronomical Society, HEAD meeting #12, #13.15

Astronomy and Astrophysics

Astronomy

Scientific paper

Sixteen accreting neutron star pulsars, mostly high mass X-ray binaries with half of them Be-type transients, are known to exhibit Cyclotron Resonance Scattering Features (CRSFs) in their X-ray spectra, with characteristic line energies from 10 to 60 keV. To date slightly more than half of them, plus a few similar systems without known CRSFs, have been observed with Suzaku. I present an overview of results from these observations, including the discovery of a CRSF in the transient 1A 1118-61 and pulse phase and/or time resolved analyses. They allow for the determination of cyclotron line parameters to an unprecedented degree of accuracy within a moderate amount of observing time. This is important since these parameters vary -- e.g., with orbital phase, pulse phase, or luminosity -- depending on the geometry of the magnetic field of the pulsar and the properties of the accretion column at the magnetic poles. I briefly introduce a spectral model for CRSFs that is currently being developed and that for the first time is based on these physical properties. In addition to cyclotron line measurements, selected highlights from the Suzaku sample include, e.g., iron line studies and disentangling absorption and mass transfer variations in the clumpy winds of 4U 1907+09 and Vela X-1.

Affiliated with

Also associated with

No associations

Rating

A Suzaku View of Cyclotron Line Sources and Candidates does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with A Suzaku View of Cyclotron Line Sources and Candidates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A Suzaku View of Cyclotron Line Sources and Candidates will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1402519