An analysis of spectrophotometric accuracy

Details An analysis of spectrophotometric accuracy An analysis of spectrophotometric accuracy

Oct 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978pasp...90..594g&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 90, Oct.-Nov. 1978, p. 594-600.

Astronomy and Astrophysics

Astronomy

3

Electrophotometers, Instrument Errors, Spectrophotometers, Stellar Spectrophotometry, Astronomical Catalogs, Astronomical Coordinates, Energy Distribution, Monochromatic Radiation, Stellar Magnitude, Wavelengths

Scientific paper

An analysis of the spectrophotometric errors in obtained energy distributions is presented. It is shown that in the case of photoelectric spectrophotometry made without wavelength identification, guiding errors may produce a shift of the zero point of the wavelength scale. This shift produces accidental and systematic errors that are color dependent and wavelength dependent, and may even appear as right-ascension dependent. It is shown that in the spectrophotometry analyzed the size of the errors is smaller than could be expected from the estimated value of the mean zero-point shift.

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