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Title: HEAO 1 A-2 low-energy detector X-ray spectra of the Lupus Loop and SN 1006

Journal Article · · Astrophysical Journal; (United States)
DOI:https://doi.org/10.1086/170111· OSTI ID:5503857
; ;  [1]
  1. Calgary, University (Canada) Pennsylvania State University, University Park (USA) Joint Institute for Laboratory Astrophysics, Boulder, CO (USA)

The Lupus Loop and SN 1006 were observed by the A-2 low-energy detector proportional counters on the HEAO 1 satellite as part of the all-sky survey. As a result of a major advance in understanding of detector response and background accurate analysis of the data has become possible. Soft X-ray spectra for both supernova remnants were constructed from the PHA data taken during the scanning observations. Single-temperature and two-temperature Raymond-Smith models were fitted to the observed spectra. In addition, power-law and power-law plus one-temperature models were fitted to the spectrum of SN 1006. Only two-component models provide an adequate description for both Lupus Loop and SN 1006 spectra. The temperatures, column densities, and emission measures are significantly more accurate than previous results. 29 refs.

OSTI ID:
5503857
Journal Information:
Astrophysical Journal; (United States), Vol. 374; ISSN 0004-637X
Country of Publication:
United States
Language:
English