High Resolution HRC Imaging of Supernova Remnant 1987A

Details High Resolution HRC Imaging of Supernova Remnant 1987A High Resolution HRC Imaging of Supernova Remnant 1987A

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007cxo..prop.2384m&link_type=abstract

Chandra Proposal ID #09500037

Computer Science

Chandra Proposal Id #09500037

Scientific paper

ACIS observations of SN 1987A have provided unique images of an evolving young supernova remnant. However, because the ACIS pixels undersample the PSF, these data cannot be used to derive robust measurements and uncertainties for parameters such as the radius and thickness of the emitting shell, nor can they quantitatively differentiate between geometries such as a thick shell or a tilted ring. We consequently propose an HRC observation of SN 1987A. When combined with ACIS and radio data from nearby epochs, the HRC data will allow a high fidelity reconstruction of the underlying morphology. Note that these HRC data complement rather than conflict with any Cycle 9 ACIS observation of SN 1987A, since ACIS data carry spectral information, while HRC data have superior spatial resolution.

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