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VLF observations of magnetar flares.
- Source :
-
AIP Conference Proceedings . 10/20/2010, Vol. 1286 Issue 1, p331-338. 8p. - Publication Year :
- 2010
-
Abstract
- I review VLF observations of magnetar flares and their numerical simulations. First, I present a brief observational summary of magnetars from the viewpoint of high-energy astrophysics. What I would like to stress here is that peak spectra of giant flares from magnetars are poorly understood due to saturation problems of X-ray and gamma-ray instruments in space, because the peak flux is very huge. VLF amplitude and phase observations enables us to estimate the peak spectra. Second, I present Monte Carlo simulations which are needed to estimate the altitude profile of electron number density when gamma-rays are directed onto the ionosphere. After that, Finite-Difference Time-Domain (FDTD) simulations are shown which simulate VLF wave propagation. Finally, summary and future perspectives are presented. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 0094243X
- Volume :
- 1286
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- AIP Conference Proceedings
- Publication Type :
- Conference
- Accession number :
- 54590916
- Full Text :
- https://doi.org/10.1063/1.3512890