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Scanner observations of selected cool stars (1974)

Stein, W. L. ; Fay, T. D., Jr. ; Warren, W. H., Jr.

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Publication Date: 2019-06-27

Description: Photoelectric spectral scans at 30 A resolution of nine dwarfs, ten giants, and six supergiants with spectral types G0 to M5 are presented. (All stars were observed every 4 A from 3300 to 7000 A.) Absorption features observed at this resolution coincide with: strong atomic lines of Fe I, Fe II, Ca I, Ca II, Mg I, and Na I; vibrational bands of the electronic transitions of TiO, MgH, CaH, SiH, AlH, CN, CH, C2, OH, and NH. The dependences of the 3740-A Fe I blend and the 3440-A depression on temperature are discussed.

Keywords: ASTROPHYSICS

Type: Astronomical Society of the Pacific; vol. 86

Format: text

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