A possible source of systematic discrepancies in the equivalent width scales of stellar absorption lines

Details A possible source of systematic discrepancies in the equivalent width scales of stellar absorption lines A possible source of systematic discrepancies in the equivalent width scales of stellar absorption lines

Aug 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976a%26a....50..451m&link_type=abstract

Astronomy and Astrophysics, vol. 50, no. 3, Aug. 1976, p. 451-453.

Astronomy and Astrophysics

Astrophysics

6

Absorption Spectra, Error Analysis, Spectral Line Width, Stellar Spectrophotometry, Exposure, Signal To Noise Ratios, Stellar Spectra

Scientific paper

Systematic discrepancies between different authors' measurements of the
equivalent widths of stellar spectral lines are frequently encountered.
Observations are presented that indicate that the equivalent width scale
depends on the degree of exposure of the spectrogram. It is suggested
that photographic adjacency effects could be the cause.

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