SUMMARY OF SEQUENCE NUMBER 500029

SUMMARY OF SEQUENCE NUMBER 500029

Title: BLAST WAVE DYNAMICS, SUPERNOVA REMNANT ENVIRONMENTS, AND THE EVOLUTION OF THE CYGNUS LOOP

Observer: Graham

Subject Category: SN, SNR, and isolated NS

Seq: 500029 ObsId: 00733

Long-term Plan bin: 13-Mar-2000

ABSTRACT

The Cygnus Loop, as the closest, brightest, and best-studied example of its class, is the prototypical shell supernova remnant (SNR). SNR evolution is complex because the interstellar medium is inhomogeneous and modified by the supernova progenitor. We propose to study the interaction of the Cygnus Loop with its environment and hence elucidate its evolution. X-ray spectroscopy provides the best tools to quantify the conditions and the microscopic and macroscopic processes that determine the balance between heating and cooling in shocked gas. AXAF provides revolutionary capabilities because it offers the first opportunity to obtain imaging spectroscopy with the combined spatial and spectral resolution necessary to measure plasma properties on scales relevant to blast wave gas-dynamics.

TARGET SUMMARY

TARGET NAME RADEC TIME SI GRAT TYPE TC ROLL PRE PHASE MULTI PRI
CYGNUS LOOP WEST
311.575000
30.981111
30.00000
ACIS-I
NONE
GO
no
yes
no
no
no
5

IMAGES

(NOTE: RASS images currently only available for targets LTS scheduled on or after Apr-09-2000)

Roll/Visibility

PARAMETERS

Obscat Parameters