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Conferences
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ICN-UNAM
1482bc95ee34f0461176da21871284c8
3
icrc2007@icrc2007.unam.mx
30th International Cosmic Ray Conference
The 30th International Cosmic Ray Conference will be held from July 3, 2007 to July 11, 2007 in Merida, Yucatan, Mexico.
True
Merida, Mexico
2007-07-03T08:00:00
2007-07-11T19:00:00
2005-09-26T05:04:53
2024-04-12T17:46:55
Mexico/General
Dr.
IGeof-UNAM
40af9343b8bb9d18708b4f0252d5f53c
1175
false
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0
Oral
Nonthermal Brensstrahlung v. Synchrotron Radiation: The Nature of the Nonthermal X-ray Emission from Cas A
Dr.
MIT
69e0c2cff46cf5241c5c0f139790e333
Dr.
MIT
69e0c2cff46cf5241c5c0f139790e333
Dr.
Univ. of Massachusetts, Amherst
d41d8cd98f00b204e9800998ecf8427e
Dr.
MIT
d41d8cd98f00b204e9800998ecf8427e
Merida, Mexico
Uxmal + Tulum (Holiday Inn)
2007-07-04T12:17:00
2007-07-04T12:29:00
00:12
We present the results of an analysis of Chandra and RXTE X-ray spectral
data for the supernova remnant Cas A. Thousands of Chandra spectra for
roughly arcsecond-sized regions were fitted with a simple model that
includes a bremsstrahlung continuum and several Gaussian emission lines.
The results of this analysis reveal that the faint, narrow filaments around
the outer edge of the remnant have unusually high fitted electron
temperatures. Since the emission from these regions is thought to be
dominated by synchrotron radiation instead of thermal bremsstrahlung, the
spectrum at each location along these filaments was fitted with a
synchrotron model. The results of the spectral analysis for the regions
dominated by synchrotron emission are compared to the results of a spectral
analysis of the RXTE composite spectrum of the entire remnant. The
comparison is used to determine what fraction of the high-energy nonthermal
X-ray emission is produced by synchrotron emission.
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More information about the venue
http://www.icrc2007.unam.mx/
link
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