Computer Science – Sound
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21538007r&link_type=abstract
American Astronomical Society, AAS Meeting #215, #380.07; Bulletin of the American Astronomical Society, Vol. 42, p.591
Computer Science
Sound
Scientific paper
The Micro-X sounding rocket telescope, set for first launch in early 2011, will observe extended astrophysical X-ray sources with a focal plane array of transition-edge sensor microcalorimeters. An energy resolution of 2-4 eV over the 0.2-3.0 keV band, coupled with a conical approximation Wolter-I mirror, will make high energy resolution imaging of extended sources possible. Puppis A, a bright supernova remnant, will be the first target, with follow-up observations after the first launch including the Virgo cluster and Cassiopeia A.
The line-dominated expected spectrum of the recently discovered 'silicon knot' of Puppis A will provide a wealth of new information. Highly resolved Doppler shifts and broadening of emission lines will map out the dynamical structure of the ejecta. The ionization state of the plasma across the knot and between elements will be analyzed with the benefit of fewer model degeneracies. Additionally, estimates of elemental abundances in the remnant will be refined, and the spatial variations of enrichment across the knot will be mapped.
Micro-X Collaboration
Rutherford John
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