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Title:
Imaging of Kepler's supernova remnant
Authors:
van den Bergh, Sidney; Pritchet, Christopher J.
Affiliation:
AA(Dominion Astrophysical Observatory, Victoria, Canada), AB(Victoria, University, Canada)
Publication:
Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 103, Feb. 1991, p. 194-197. Research supported by NSERC. (PASP Homepage)
Publication Date:
02/1991
Category:
Astronomy
Origin:
STI
NASA/STI Keywords:
IMAGERY, SUPERNOVA REMNANTS, ASTRONOMICAL PHOTOMETRY, EMISSION SPECTRA, TELESCOPES
DOI:
10.1086/132807
Bibliographic Code:
1991PASP..103..194V

Abstract

It is shown that the effects of crowding on images of Kepler's supernova remnant, that were obtained with the 3.6-m CFHT, can be greatly reduced by digitally subtracting a scaled continuum image from a narrow-band H-alpha + forbidden N II image. Attention is drawn to a narrow emission filament that extends for 27 arcsec along the western edge of the optical remnant.

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