Iterative Techniques for the Decomposition of Long-Slit Spectra

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Iterative techniques for the decomposition of long-slit spectra

Two iterative techniques are described for decomposing a long-slit spectrum into the individual spectra of the point sources along the slit and the spectrum of the underlying background. One technique imposes the strong constraint that the spectrum of the background is spatially-invariant; the other relaxes this constraint. Both techniques are applicable even when there are numerous overlapping...

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ژورنال

عنوان ژورنال: The Astronomical Journal

سال: 2003

ISSN: 0004-6256,1538-3881

DOI: 10.1086/368144