Echelle background correction

Details Echelle background correction Echelle background correction

Nov 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...168..386g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 168, no. 1-2, Nov. 1986, p. 386-388.

Astronomy and Astrophysics

Astrophysics

15

Astronomical Spectroscopy, Background Noise, Spectrographs, B Stars, Charge Coupled Devices, Correction, Light Scattering, Stellar Spectra

Scientific paper

An improved method for the scattered light background correction of two-dimensional echelle spectra is described, and the results are compared with more approximate methods, such as the widely used interorder minimum subtraction. The new correction is applied to a CCD echelle spectrum, and the accuracy of the continuum level is demonstrated to be better than 1 percent.

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