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FITCONT-Fits a Chebyshev polynomial to the continuum for 2D data

Description:
As with VIG, lines can be excluded from the polynomial fitting. FITCONT stores the polynomial fitting coefficients in the actual data file, for use by LONGSLIT (the program is specfically for use with LONGSLIT, and of no use otherwise).

Parameters:
IMAGE
IMAGE = FILE (Read) Input file
XSECT
XSECT = INTEGER (Read) Cross-section to take first cut from

Source comments:
  none available


next up previous 79
Next: FITGAUSS-Fit Gauss profiles to a spectrum.
Up: Applications in detail
Previous: FITBB-Fit diluted Planck curves to a spectrum.

FIGARO A general data reduction system
Starlink User Note 86
Keith Shortridge, Horst Meyerdierks,
Malcolm Currie, Martin Clayton, Jon Lockley,
Anne Charles, Clive Davenhall,
Mark Taylor, Tim Ash, Tim Wilkins, Dave Axon,
John Palmer, Anthony Holloway and
Vito Graffagnino
2004 February 17
E-mail:starlink@jiscmail.ac.uk

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