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Hard x-ray emission of x-ray bursters (Document No: 20020066780)
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Kaaret, P. |
| Copyright Year | 2002 |
| Description | The primary goal of this proposal was to increase our understanding of the accretion dynamics and emission mechanisms in neutron-star low-mass x-ray binaries via accurate measurements of their broad-band x-ray spectrum with particular emphasis on the hard x-ray emission. We obtained an extensive set of Rossi X-Ray Timing Explorer (RXTE) observations of a bright hard x-ray outburst from the source 4U1728-34 including data obtained under this proposal and previously scheduled observations for another observer. We have constructed x-ray light curves in several energy bands, including hard energy bands, from these data. We also completed spectral analysis of several observations which show strong hard x-ray emission. We are currently performing timing analysis to search for possible correlations between the spectral and timing evolution of 4U1728-34. Due to the one-year delay in obtaining the observations made for the other observer (which are the ones containing the peak of the hard X-ray emission), the analysis for this project is not yet complete. Because 4U1728-34 shows interesting high-frequency timing behavior, we plan to complete the analysis as part of our on-going investigation of high-frequency timing of X-ray binaries. |
| File Size | 37244 |
| Page Count | 1 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20020066780 |
| Archival Resource Key | ark:/13960/t8jd9tf5p |
| Language | English |
| Publisher Date | 2002-07-01 |
| Access Restriction | Open |
| Subject Keyword | Space Radiation Neutron Stars Astrophysics Energy Bands Broadband X Ray Binaries Spectrum Analysis High Frequencies X Ray Timing Explorer Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
